dominated by platform support for Qualcomm's MSM SoCs, DT binding
updates for TI's OMAP-ish processors and additional support for Samsung
chips. Additionally there are other smaller clock driver changes and
several last minute fixes. This pull request also includes the HiSilicon
support that depends on the already-merged arm-soc pull request.
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Merge tag 'clk-for-linus-3.14-part2' of git://git.linaro.org/people/mike.turquette/linux
Pull more clock framework changes from Mike Turquette:
"The second half of the clock framework pull requeust for 3.14 is
dominated by platform support for Qualcomm's MSM SoCs, DT binding
updates for TI's OMAP-ish processors and additional support for
Samsung chips.
Additionally there are other smaller clock driver changes and several
last minute fixes. This pull request also includes the HiSilicon
support that depends on the already-merged arm-soc pull request"
[ Fix up stupid compile error in the source tree with evil merge - Grumpy Linus ]
* tag 'clk-for-linus-3.14-part2' of git://git.linaro.org/people/mike.turquette/linux: (49 commits)
clk: sort Makefile
clk: sunxi: fix overflow when setting up divided factors
clk: Export more clk-provider functions
dt-bindings: qcom: Fix warning with duplicate dt define
clk: si5351: remove variant from platform_data
clk: samsung: Remove unneeded semicolon
clk: qcom: Fix modular build
ARM: OMAP3: use DT clock init if DT data is available
ARM: AM33xx: remove old clock data and link in new clock init code
ARM: AM43xx: Enable clock init
ARM: OMAP: DRA7: Enable clock init
ARM: OMAP4: remove old clock data and link in new clock init code
ARM: OMAP2+: io: use new clock init API
ARM: OMAP2+: PRM: add support for initializing PRCM clock modules from DT
ARM: OMAP3: hwmod: initialize clkdm from clkdm_name
ARM: OMAP: hwmod: fix an incorrect clk type cast with _get_clkdm
ARM: OMAP2+: clock: use driver API instead of direct memory read/write
ARM: OMAP2+: clock: add support for indexed memmaps
ARM: dts: am43xx clock data
ARM: dts: AM35xx: use DT clock data
...
platform_ipc.h and platform_msic.h are wrongly declaring functions as
external and with 'weak' attribute. This patch does a cleanup on those
header files.
It should have no functional change.
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Link: http://lkml.kernel.org/r/1390950567-12821-1-git-send-email-david.a.cohen@linux.intel.com
Cc: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Add watchdog specific config for kizbox board.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Set default watchdog options in every SoC compatible with the sam9 watchdog.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This change introduces debugfs support for the BCM281xx watchdog driver.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit adds support for the watchdog timer used on the BCM281xx
family of SoCs.
Signed-off-by: Markus Mayer <markus.mayer@linaro.org>
Reviewed-by: Matt Porter <matt.porter@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
GCC fails to build the kernel if EABI is selected, and the default FPU
is selected. Avoid this by explicitly stating that we want VFP with
EABI.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
- Add CCF support
- Fix BS=0 compilation
- Wire up defconfig
- Some minor cleanups and fixes
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Merge tag 'microblaze-3.14-rc1' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze patches from Michal Simek:
- add CCF support
- fix BS=0 compilation
- wire up defconfig
- some minor cleanups and fixes
* tag 'microblaze-3.14-rc1' of git://git.monstr.eu/linux-2.6-microblaze:
microblaze: Add missing v8.50.a version
microblaze: Fix missing bracket in printk
microblaze: Fix compilation error for BS=0
microblaze: Disable stack protection from bootloader
microblaze: Define read/write{b,w,l}_relaxed MMIO
microblaze: timer: Do not initialized system timer twice
microblaze: timer: Use generic sched_clock implementation
microblaze: Add NOTES section to linker script
microblaze: Add support for CCF
microblaze: Simplify fcpu helper function
microblaze/uapi: Use Kbuild logic to include <asm-generic/types.h>
microblaze: Remove duplicate declarations of _stext[] and _etext[]
microblaze: Remove _fdt_start casts
microblaze: Wire up defconfig to mmu_defconfig
Pull s390 patches from Martin Schwidefsky:
"A new binary interface to be able to query and modify the LPAR
scheduler weight and cap settings. Some improvements for the hvc
terminal over iucv and a couple of bux fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/hypfs: add interface for diagnose 0x304
s390: wire up sys_sched_setattr/sys_sched_getattr
s390/uapi: fix struct statfs64 definition
s390/uaccess: remove dead extern declarations, make functions static
s390/uaccess: test if current->mm is set before walking page tables
s390/zfcpdump: make zfcpdump depend on 64BIT
s390/32bit: fix cmpxchg64
s390/xpram: don't modify module parameters
s390/zcrypt: remove zcrypt kmsg documentation again
s390/hvc_iucv: Automatically assign free HVC terminal devices
s390/hvc_iucv: Display connection details through device attributes
s390/hvc_iucv: fix sparse warning
s390/vmur: Link parent CCW device during UR device creation
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Merge tag 'cris-correction-for-3.14' of git://jni.nu/cris
Pull cris fix from Jesper Nilsson:
"One include too much was removed"
* tag 'cris-correction-for-3.14' of git://jni.nu/cris:
CRISv10: Readd missing header
Pull vfs updates from Al Viro:
"Assorted stuff; the biggest pile here is Christoph's ACL series. Plus
assorted cleanups and fixes all over the place...
There will be another pile later this week"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (43 commits)
__dentry_path() fixes
vfs: Remove second variable named error in __dentry_path
vfs: Is mounted should be testing mnt_ns for NULL or error.
Fix race when checking i_size on direct i/o read
hfsplus: remove can_set_xattr
nfsd: use get_acl and ->set_acl
fs: remove generic_acl
nfs: use generic posix ACL infrastructure for v3 Posix ACLs
gfs2: use generic posix ACL infrastructure
jfs: use generic posix ACL infrastructure
xfs: use generic posix ACL infrastructure
reiserfs: use generic posix ACL infrastructure
ocfs2: use generic posix ACL infrastructure
jffs2: use generic posix ACL infrastructure
hfsplus: use generic posix ACL infrastructure
f2fs: use generic posix ACL infrastructure
ext2/3/4: use generic posix ACL infrastructure
btrfs: use generic posix ACL infrastructure
fs: make posix_acl_create more useful
fs: make posix_acl_chmod more useful
...
Commit 65939301ac (arm: set initrd_start/initrd_end for fdt scan)
caused the FDT initrd_start and initrd_end to override the
phys_initrd_start and phys_initrd_size set by the initrd= kernel
parameter. With this patch initrd_start and initrd_end will be
overridden if phys_initrd_start and phys_initrd_size are set by the
kernel initrd= parameter.
Fixes: 65939301ac (arm: set initrd_start/initrd_end for fdt scan)
Signed-off-by: Ben Peddell <klightspeed@killerwolves.net>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The pgtbl macro couldn't handle the specific
(TEXT_OFFSET - PG_DIR_SIZE) value that the combination of
MSM platforms and LPAE created:
head.S:163: Error: invalid constant (203000) after fixup
Regardless of whether this combination of configuration options
will work on currently support platforms at run time, make it
at least assemble properly.
Signed-off-by: Christopher Covington <cov@codeaurora.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
__und_usr_thumb function deals with thumb2 opcodes. In case of BE
image, it needs to byteswap half word thumb2 encoded instructions
before further processing them.
Without this fix BE image user-land thread executing first VFP
instruction encoded in thumb2 fails with SIGILL, because kernel
does not recognize instruction and does not enable VFP.
Reported-by: Corey Melton <comelton@cisco.com>
Signed-off-by: Victor Kamensky <victor.kamensky@linaro.org>
Tested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Some SoC have MMIO regions that are shared across orthogonal
subsystems. This commit implements a possible solution for the
thread-safe access of such regions through a spinlock-protected API.
Concurrent access is protected with a single spinlock for the
entire MMIO address space. While this protects shared-registers,
it also serializes access to unrelated/unshared registers.
We add relaxed and non-relaxed variants, by using writel_relaxed and writel,
respectively. The rationale for this is that some users may not require
register write completion but only thread-safe access to a register.
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The generic makefile now sets '-Wa,--gdwarf2' in KBUILD_AFLAGS, so
this setting is no longer needed in arch makefiles.
Also remove a commented out addition of a -O1 to KBUILD_CFLAGS, and
comment text relating to these removed lines.
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Geoff Levand <geoff@infradead.org> for Huawei, Linaro
Signed-off-by: Michal Marek <mmarek@suse.cz>
The generic makefile now sets '-Wa,--gdwarf2' in KBUILD_AFLAGS, so
this setting is no longer needed in arch makefiles.
Also remove a commented out addition of a -O1 to KBUILD_CFLAGS, and
comment text relating to these removed lines.
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Geoff Levand <geoff@infradead.org> for Huawei, Linaro
Signed-off-by: Michal Marek <mmarek@suse.cz>
Merge misc updates from Andrew Morton:
- a few hotfixes
- dynamic-debug updates
- ipc updates
- various other sweepings off the factory floor
* akpm: (31 commits)
firmware/google: drop 'select EFI' to avoid recursive dependency
compat: fix sys_fanotify_mark
checkpatch.pl: check for function declarations without arguments
mm/migrate.c: fix setting of cpupid on page migration twice against normal page
softirq: use const char * const for softirq_to_name, whitespace neatening
softirq: convert printks to pr_<level>
softirq: use ffs() in __do_softirq()
kernel/kexec.c: use vscnprintf() instead of vsnprintf() in vmcoreinfo_append_str()
splice: fix unexpected size truncation
ipc: fix compat msgrcv with negative msgtyp
ipc,msg: document barriers
ipc: delete seq_max field in struct ipc_ids
ipc: simplify sysvipc_proc_open() return
ipc: remove useless return statement
ipc: remove braces for single statements
ipc: standardize code comments
ipc: whitespace cleanup
ipc: change kern_ipc_perm.deleted type to bool
ipc: introduce ipc_valid_object() helper to sort out IPC_RMID races
ipc/sem.c: avoid overflow of semop undo (semadj) value
...
Pull powerpc updates from Ben Herrenschmidt:
"So here's my next branch for powerpc. A bit late as I was on vacation
last week. It's mostly the same stuff that was in next already, I
just added two patches today which are the wiring up of lockref for
powerpc, which for some reason fell through the cracks last time and
is trivial.
The highlights are, in addition to a bunch of bug fixes:
- Reworked Machine Check handling on kernels running without a
hypervisor (or acting as a hypervisor). Provides hooks to handle
some errors in real mode such as TLB errors, handle SLB errors,
etc...
- Support for retrieving memory error information from the service
processor on IBM servers running without a hypervisor and routing
them to the memory poison infrastructure.
- _PAGE_NUMA support on server processors
- 32-bit BookE relocatable kernel support
- FSL e6500 hardware tablewalk support
- A bunch of new/revived board support
- FSL e6500 deeper idle states and altivec powerdown support
You'll notice a generic mm change here, it has been acked by the
relevant authorities and is a pre-req for our _PAGE_NUMA support"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (121 commits)
powerpc: Implement arch_spin_is_locked() using arch_spin_value_unlocked()
powerpc: Add support for the optimised lockref implementation
powerpc/powernv: Call OPAL sync before kexec'ing
powerpc/eeh: Escalate error on non-existing PE
powerpc/eeh: Handle multiple EEH errors
powerpc: Fix transactional FP/VMX/VSX unavailable handlers
powerpc: Don't corrupt transactional state when using FP/VMX in kernel
powerpc: Reclaim two unused thread_info flag bits
powerpc: Fix races with irq_work
Move precessing of MCE queued event out from syscall exit path.
pseries/cpuidle: Remove redundant call to ppc64_runlatch_off() in cpu idle routines
powerpc: Make add_system_ram_resources() __init
powerpc: add SATA_MV to ppc64_defconfig
powerpc/powernv: Increase candidate fw image size
powerpc: Add debug checks to catch invalid cpu-to-node mappings
powerpc: Fix the setup of CPU-to-Node mappings during CPU online
powerpc/iommu: Don't detach device without IOMMU group
powerpc/eeh: Hotplug improvement
powerpc/eeh: Call opal_pci_reinit() on powernv for restoring config space
powerpc/eeh: Add restore_config operation
...
Pull powerpc mremap fix from Ben Herrenschmidt:
"This is the patch that I had sent after -rc8 and which we decided to
wait before merging. It's based on a different tree than my -next
branch (it needs some pre-reqs that were in -rc4 or so while my -next
is based on -rc1) so I left it as a separate branch for your to pull.
It's identical to the request I did 2 or 3 weeks back.
This fixes crashes in mremap with THP on powerpc.
The fix however requires a small change in the generic code. It moves
a condition into a helper we can override from the arch which is
harmless, but it *also* slightly changes the order of the set_pmd and
the withdraw & deposit, which should be fine according to Kirill (who
wrote that code) but I agree -rc8 is a bit late...
It was acked by Kirill and Andrew told me to just merge it via powerpc"
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/thp: Fix crash on mremap
It is based on uninitialized value keep_early. This leads to
unpredictable result.
[akpm@linux-foundation.org: simplify code]
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Dave reported big numa system booting is broken.
It turns out that commit 5b6e529521 ("x86: memblock: set current limit
to max low memory address") sets the limit to low wrongly.
max_low_pfn_mapped is different from max_pfn_mapped.
max_low_pfn_mapped is always under 4G.
That will memblock_alloc_nid all go under 4G.
Revert 5b6e529521 to fix a no-boot regression which was triggered by
457ff1de2d ("lib/swiotlb.c: use memblock apis for early memory
allocations").
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Reported-by: Dave Hansen <dave.hansen@intel.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The new memblock_virt APIs are used to replaced old bootmem API.
We need to allocate page below 4G for swiotlb.
That should fix regression on Andrew's system that is using swiotlb.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
At a glance these are just the inverse of each other. The one subtlety
is that arch_spin_value_unlocked() takes the lock by value, rather than
as a pointer, which is important for the lockref code.
On the other hand arch_spin_is_locked() doesn't really care, so
implement it in terms of arch_spin_value_unlocked().
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit adds the architecture support required to enable the
optimised implementation of lockrefs.
That's as simple as defining arch_spin_value_unlocked() and selecting
the Kconfig option.
We also define cmpxchg64_relaxed(), because the lockref code does not
need the cmpxchg to have barrier semantics.
Using Linus' test case[1] on one system I see a 4x improvement for the
basic enablement, and a further 1.3x for cmpxchg64_relaxed(), for a
total of 5.3x vs the baseline.
On another system I see more like 2x improvement.
[1]: http://marc.info/?l=linux-fsdevel&m=137782380714721&w=4
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
LED platform data are overwhelmed by excessive field "max_cur"
which just replicates few bits of "led_control" field.
This patch removes this field and adds a definition for the
current settings in the header.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
The kernel already has this information, so other bits of kernel code
shouldn't duplicate that. This also eliminates the use of __DATE__,
which makes the build non-deterministic.
This message was already disabled at build time, with PRINT_MESSAGES
undef'd at the top of the file.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
For some assemblers, they use another character as newline in a macro
(e.g. arc uses '`'), so for generic assembly code, need use ASM_NL (a
macro) instead of ';' for it.
Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Acked-by: Vineet Gupta <vgupta@synopsys.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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Merge tag 'cris-for-3.14' of git://jni.nu/cris
Pull cris changes from Jesper Nilsson:
"Mostly removal of deprecated or old code, but also a long promised
update of the CRIS syscalls"
* tag 'cris-for-3.14' of git://jni.nu/cris:
Drop code for CRISv10 CPU simulator
Cleanup whitespace, remove old author tag
CRIS: Add missing syscalls
cris: sync_serial: remove interruptible_sleep_on
cris: remove deprecated IRQF_DISABLED
Fix the function name of comment of cpu_do_switch_mm,
because cpu_do_switch_mm is the correct name.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This adds the software abort code defines for transactional memory (TM).
These values are from PAPR.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Add new state for transactional memory (TM) to kvm_vcpu_arch. Also add
asm-offset bits that are going to be required.
This also moves the existing TFHAR, TFIAR and TEXASR SPRs into a
CONFIG_PPC_TRANSACTIONAL_MEM section. This requires some code changes to
ensure we still compile with CONFIG_PPC_TRANSACTIONAL_MEM=N. Much of the added
the added #ifdefs are removed in a later patch when the bulk of the TM code is
added.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
[agraf: fix merge conflict]
Signed-off-by: Alexander Graf <agraf@suse.de>
There are no processors in existence that have TM but no VMX or VSX. So let's
makes CONFIG_PPC_TRANSACTIONAL_MEM select both CONFIG_VSX and CONFIG_ALTIVEC.
This makes the code a lot simpler by removing the need for a bunch of #ifdefs.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
We create a guest MSR from scratch when delivering exceptions in
a few places. Instead of extracting LPCR[ILE] and inserting it
into MSR_LE each time, we simply create a new variable intr_msr which
contains the entire MSR to use. For a little-endian guest, userspace
needs to set the ILE (interrupt little-endian) bit in the LPCR for
each vcpu (or at least one vcpu in each virtual core).
[paulus@samba.org - removed H_SET_MODE implementation from original
version of the patch, and made kvmppc_set_lpcr update vcpu->arch.intr_msr.]
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
The DABRX (DABR extension) register on POWER7 processors provides finer
control over which accesses cause a data breakpoint interrupt. It
contains 3 bits which indicate whether to enable accesses in user,
kernel and hypervisor modes respectively to cause data breakpoint
interrupts, plus one bit that enables both real mode and virtual mode
accesses to cause interrupts. Currently, KVM sets DABRX to allow
both kernel and user accesses to cause interrupts while in the guest.
This adds support for the guest to specify other values for DABRX.
PAPR defines a H_SET_XDABR hcall to allow the guest to set both DABR
and DABRX with one call. This adds a real-mode implementation of
H_SET_XDABR, which shares most of its code with the existing H_SET_DABR
implementation. To support this, we add a per-vcpu field to store the
DABRX value plus code to get and set it via the ONE_REG interface.
For Linux guests to use this new hcall, userspace needs to add
"hcall-xdabr" to the set of strings in the /chosen/hypertas-functions
property in the device tree. If userspace does this and then migrates
the guest to a host where the kernel doesn't include this patch, then
userspace will need to implement H_SET_XDABR by writing the specified
DABR value to the DABR using the ONE_REG interface. In that case, the
old kernel will set DABRX to DABRX_USER | DABRX_KERNEL. That should
still work correctly, at least for Linux guests, since Linux guests
cope with getting data breakpoint interrupts in modes that weren't
requested by just ignoring the interrupt, and Linux guests never set
DABRX_BTI.
The other thing this does is to make H_SET_DABR and H_SET_XDABR work
on POWER8, which has the DAWR and DAWRX instead of DABR/X. Guests that
know about POWER8 should use H_SET_MODE rather than H_SET_[X]DABR, but
guests running in POWER7 compatibility mode will still use H_SET_[X]DABR.
For them, this adds the logic to convert DABR/X values into DAWR/X values
on POWER8.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
POWER8 has support for hypervisor doorbell interrupts. Though the
kernel doesn't use them for IPIs on the powernv platform yet, it
probably will in future, so this makes KVM cope gracefully if a
hypervisor doorbell interrupt arrives while in a guest.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
POWER8 has a bit in the LPCR to enable or disable the PURR and SPURR
registers to count when in the guest. Set this bit.
POWER8 has a field in the LPCR called AIL (Alternate Interrupt Location)
which is used to enable relocation-on interrupts. Allow userspace to
set this field.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
* SRR1 wake reason field for system reset interrupt on wakeup from nap
is now a 4-bit field on P8, compared to 3 bits on P7.
* Set PECEDP in LPCR when napping because of H_CEDE so guest doorbells
will wake us up.
* Waking up from nap because of a guest doorbell interrupt is not a
reason to exit the guest.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Currently in book3s_hv_rmhandlers.S we have three places where we
have woken up from nap mode and we check the reason field in SRR1
to see what event woke us up. This consolidates them into a new
function, kvmppc_check_wake_reason. It looks at the wake reason
field in SRR1, and if it indicates that an external interrupt caused
the wakeup, calls kvmppc_read_intr to check what sort of interrupt
it was.
This also consolidates the two places where we synthesize an external
interrupt (0x500 vector) for the guest. Now, if the guest exit code
finds that there was an external interrupt which has been handled
(i.e. it was an IPI indicating that there is now an interrupt pending
for the guest), it jumps to deliver_guest_interrupt, which is in the
last part of the guest entry code, where we synthesize guest external
and decrementer interrupts. That code has been streamlined a little
and now clears LPCR[MER] when appropriate as well as setting it.
The extra clearing of any pending IPI on a secondary, offline CPU
thread before going back to nap mode has been removed. It is no longer
necessary now that we have code to read and acknowledge IPIs in the
guest exit path.
This fixes a minor bug in the H_CEDE real-mode handling - previously,
if we found that other threads were already exiting the guest when we
were about to go to nap mode, we would branch to the cede wakeup path
and end up looking in SRR1 for a wakeup reason. Now we branch to a
point after we have checked the wakeup reason.
This also fixes a minor bug in kvmppc_read_intr - previously it could
return 0xff rather than 1, in the case where we find that a host IPI
is pending after we have cleared the IPI. Now it returns 1.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This allows us to select architecture 2.05 (POWER6) or 2.06 (POWER7)
compatibility modes on a POWER8 processor. (Note that transactional
memory is disabled for usermode if either or both of the PCR_TM_DIS
and PCR_ARCH_206 bits are set.)
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
At present this should never happen, since the host kernel sets
HFSCR to allow access to all facilities. It's better to be prepared
to handle it cleanly if it does ever happen, though.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
POWER8 has 512 sets in the TLB, compared to 128 for POWER7, so we need
to do more tlbiel instructions when flushing the TLB on POWER8.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
This adds fields to the struct kvm_vcpu_arch to store the new
guest-accessible SPRs on POWER8, adds code to the get/set_one_reg
functions to allow userspace to access this state, and adds code to
the guest entry and exit to context-switch these SPRs between host
and guest.
Note that DPDES (Directed Privileged Doorbell Exception State) is
shared between threads on a core; hence we store it in struct
kvmppc_vcore and have the master thread save and restore it.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
On a threaded processor such as POWER7, we group VCPUs into virtual
cores and arrange that the VCPUs in a virtual core run on the same
physical core. Currently we don't enforce any correspondence between
virtual thread numbers within a virtual core and physical thread
numbers. Physical threads are allocated starting at 0 on a first-come
first-served basis to runnable virtual threads (VCPUs).
POWER8 implements a new "msgsndp" instruction which guest kernels can
use to interrupt other threads in the same core or sub-core. Since
the instruction takes the destination physical thread ID as a parameter,
it becomes necessary to align the physical thread IDs with the virtual
thread IDs, that is, to make sure virtual thread N within a virtual
core always runs on physical thread N.
This means that it's possible that thread 0, which is where we call
__kvmppc_vcore_entry, may end up running some other vcpu than the
one whose task called kvmppc_run_core(), or it may end up running
no vcpu at all, if for example thread 0 of the virtual core is
currently executing in userspace. However, we do need thread 0
to be responsible for switching the MMU -- a previous version of
this patch that had other threads switching the MMU was found to
be responsible for occasional memory corruption and machine check
interrupts in the guest on POWER7 machines.
To accommodate this, we no longer pass the vcpu pointer to
__kvmppc_vcore_entry, but instead let the assembly code load it from
the PACA. Since the assembly code will need to know the kvm pointer
and the thread ID for threads which don't have a vcpu, we move the
thread ID into the PACA and we add a kvm pointer to the virtual core
structure.
In the case where thread 0 has no vcpu to run, it still calls into
kvmppc_hv_entry in order to do the MMU switch, and then naps until
either its vcpu is ready to run in the guest, or some other thread
needs to exit the guest. In the latter case, thread 0 jumps to the
code that switches the MMU back to the host. This control flow means
that now we switch the MMU before loading any guest vcpu state.
Similarly, on guest exit we now save all the guest vcpu state before
switching the MMU back to the host. This has required substantial
code movement, making the diff rather large.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
POWER8 doesn't have the DABR and DABRX registers; instead it has
new DAWR/DAWRX registers, which will be handled in a later patch.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
Simplify the handling of lazy EE by going directly from fully-enabled
to hard-disabled. This replaces the lazy_irq_pending() check
(including its misplaced kvm_guest_exit() call).
As suggested by Tiejun Chen, move the interrupt disabling into
kvmppc_prepare_to_enter() rather than have each caller do it. Also
move the IRQ enabling on heavyweight exit into
kvmppc_prepare_to_enter().
Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
Use gva_t instead of unsigned int for eaddr in deliver_tlb_miss().
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
CC: stable@vger.kernel.org
Signed-off-by: Alexander Graf <agraf@suse.de>
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian order,
or more generally in a different endian order of the host, the
instruction needs to be byte-swapped before being emulated.
This patch adds a helper routine which tests the endian order of
the host and the guest in order to decide whether a byteswap is
needed or not. It is then used to byteswap the last instruction
of the guest in the endian order of the host before MMIO emulation
is performed.
Finally, kvmppc_handle_load() of kvmppc_handle_store() are modified
to reverse the endianness of the MMIO if required.
Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
[agraf: add booke handling]
Signed-off-by: Alexander Graf <agraf@suse.de>
Add support for the SolidRun Cubox-i devices. This commit adds similar
basic support as the HummingBoard. Further devices will be supported
in future patches.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add support for the SolidRun HummingBoard. This commit adds support for
the following interfaces on this board:
- Consumer Ir receiver
- S/PDIF output
- Both USB interfaces
- Gigabit Ethernet using AR8035
- UART port
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Check for invalid state transitions on guest-initiated updates of
MSR_IA32_APICBASE. This address both enabling of the x2APIC when it is
not supported and all invalid transitions as described in SDM section
10.12.5. It also checks that no reserved bit is set in APICBASE by the
guest.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
[Use cpuid_maxphyaddr instead of guest_cpuid_get_phys_bits. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arm64/include/asm/dma-contiguous.h is trying to include
<asm-genric/dma-contiguous.h> which does not exist, and thus failing
build for arm64 if we enable CONFIG_DMA_CMA. This patch fixes build
error by removing unwanted header inclusion from arm64's dma-contiguous.h.
Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com>
Signed-off-by: Somraj Mani <somraj.mani@samsung.com>
Acked-by: Laura Abbott <lauraa@codeaurora.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
The error was introduced by the patch
"microblaze: Fix coding style issues"
(sha1: 6bd55f0bba).
Error message:
arch/microblaze/kernel/setup.c: In function 'machine_early_init':
arch/microblaze/kernel/setup.c:177:3: error: 'pr_cont'
undeclared (first use in this function)
arch/microblaze/kernel/setup.c:177:3: note: each undeclared
identifier is reported only once for each function it appears in
arch/microblaze/kernel/setup.c:177:10: error: expected ';'
before string constant
arch/microblaze/kernel/setup.c:177:33: error: expected statement
before ')' token
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This bug was introduced by:
"microblaze: Do not used hardcoded value in exception handler"
(sha1: 9f78d3b5ab)
System without barrel shifter are pretty rare that's why
this bug has been fixed so late.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Microblaze without MMU can use stack protection in bootloader
and kernel should clear this setting ASAP.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
More and more ARM specific drivers is using MMIO
readX/writeX_relaxed IO functions and Microblaze can
shared some drivers with ARM too.
This patch adds relaxed IO accessor macros
to prevent compilation failures.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Remove sched_clock from the driver and use sched_clock_register
function.
Inspired-by:
"arch_timer: Move to generic sched_clock framework"
(sha1: 65cd4f6c99)
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Do not keep NOTES section align in proper location.
'readelf' shows that 'NOTE' is placed in wrong location
which is out of virtual and physical load addresses.
Section Headers:
[Nr] Name Type Addr Off Size ES Flg Lk Inf Al
[ 1] .note.gnu.build-i NOTE 00000000 001000 000024 00 A 0 0 4
[ 2] .text PROGBITS c0000000 002000 284570 00 AX 0 0 16
[ 3] __fdt_blob PROGBITS c0284570 286570 008000 00 A 0 0 1
Program Headers:
Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
LOAD 0x001000 0x00000000 0x00000000 0x00024 0x00024 R 0x1000
LOAD 0x002000 0xc0000000 0x08000000 0x315428 0x316000 RWE 0x1000
This patch move 'NOTE' section to the correct location.
Checked with:
"ARM: 6740/1: Place correctly notes section in the linker script"
(sha1: dc810efb0c)
and
"[S390] incorrect note program header"
(sha1: 7a2512b744)
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Pull UML changes from Richard Weinberger:
"This time only various cleanups and housekeeping patches"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: hostfs: make functions static
um: Include generic barrier.h
um: Removed unused attributes from thread_struct
A respun version of the merges for the pull request previously sent with
a few additional fixes. The last two merges were fixed up by hand since
the branches have moved on and currently have the prior merge in them.
Quite a busy release for the SPI subsystem, mostly in cleanups big and
small scattered through the stack rather than anything else:
- New driver for the Broadcom BC63xx HSSPI controller.
- Fix duplicate device registration for ACPI.
- Conversion of s3c64xx to DMAEngine (this pulls in platform and DMA
changes upon which the transiton depends).
- Some small optimisations to reduce the amount of time we hold locks
in the datapath, eliminate some redundant checks and the size of a
spi_transfer.
- Lots of fixes, cleanups and general enhancements to drivers,
especially the rspi and Atmel drivers.
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Merge tag 'spi-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A respun version of the merges for the pull request previously sent
with a few additional fixes. The last two merges were fixed up by
hand since the branches have moved on and currently have the prior
merge in them.
Quite a busy release for the SPI subsystem, mostly in cleanups big and
small scattered through the stack rather than anything else:
- New driver for the Broadcom BC63xx HSSPI controller
- Fix duplicate device registration for ACPI
- Conversion of s3c64xx to DMAEngine (this pulls in platform and DMA
changes upon which the transiton depends)
- Some small optimisations to reduce the amount of time we hold locks
in the datapath, eliminate some redundant checks and the size of a
spi_transfer
- Lots of fixes, cleanups and general enhancements to drivers,
especially the rspi and Atmel drivers"
* tag 'spi-v3.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (112 commits)
spi: core: Fix transfer failure when master->transfer_one returns positive value
spi: Correct set_cs() documentation
spi: Clarify transfer_one() w.r.t. spi_finalize_current_transfer()
spi: Spelling s/finised/finished/
spi: sc18is602: Convert to use bits_per_word_mask
spi: Remove duplicate code to set default bits_per_word setting
spi/pxa2xx: fix compilation warning when !CONFIG_PM_SLEEP
spi: clps711x: Add MODULE_ALIAS to support module auto-loading
spi: rspi: Add missing clk_disable() calls in error and cleanup paths
spi: rspi: Spelling s/transmition/transmission/
spi: rspi: Add support for specifying CPHA/CPOL
spi/pxa2xx: initialize DMA channels to -1 to prevent inadvertent match
spi: rspi: Add more QSPI register documentation
spi: rspi: Add more RSPI register documentation
spi: rspi: Remove dependency on DMAE for SHMOBILE
spi/s3c64xx: Correct indentation
spi: sh: Use spi_sh_clear_bit() instead of open-coded
spi: bitbang: Grammar s/make to make/to make/
spi: sh-hspi: Spelling s/recive/receive/
spi: core: Improve tx/rx_nbits check comments
...
Pull networking updates from David Miller:
1) BPF debugger and asm tool by Daniel Borkmann.
2) Speed up create/bind in AF_PACKET, also from Daniel Borkmann.
3) Correct reciprocal_divide and update users, from Hannes Frederic
Sowa and Daniel Borkmann.
4) Currently we only have a "set" operation for the hw timestamp socket
ioctl, add a "get" operation to match. From Ben Hutchings.
5) Add better trace events for debugging driver datapath problems, also
from Ben Hutchings.
6) Implement auto corking in TCP, from Eric Dumazet. Basically, if we
have a small send and a previous packet is already in the qdisc or
device queue, defer until TX completion or we get more data.
7) Allow userspace to manage ipv6 temporary addresses, from Jiri Pirko.
8) Add a qdisc bypass option for AF_PACKET sockets, from Daniel
Borkmann.
9) Share IP header compression code between Bluetooth and IEEE802154
layers, from Jukka Rissanen.
10) Fix ipv6 router reachability probing, from Jiri Benc.
11) Allow packets to be captured on macvtap devices, from Vlad Yasevich.
12) Support tunneling in GRO layer, from Jerry Chu.
13) Allow bonding to be configured fully using netlink, from Scott
Feldman.
14) Allow AF_PACKET users to obtain the VLAN TPID, just like they can
already get the TCI. From Atzm Watanabe.
15) New "Heavy Hitter" qdisc, from Terry Lam.
16) Significantly improve the IPSEC support in pktgen, from Fan Du.
17) Allow ipv4 tunnels to cache routes, just like sockets. From Tom
Herbert.
18) Add Proportional Integral Enhanced packet scheduler, from Vijay
Subramanian.
19) Allow openvswitch to mmap'd netlink, from Thomas Graf.
20) Key TCP metrics blobs also by source address, not just destination
address. From Christoph Paasch.
21) Support 10G in generic phylib. From Andy Fleming.
22) Try to short-circuit GRO flow compares using device provided RX
hash, if provided. From Tom Herbert.
The wireless and netfilter folks have been busy little bees too.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2064 commits)
net/cxgb4: Fix referencing freed adapter
ipv6: reallocate addrconf router for ipv6 address when lo device up
fib_frontend: fix possible NULL pointer dereference
rtnetlink: remove IFLA_BOND_SLAVE definition
rtnetlink: remove check for fill_slave_info in rtnl_have_link_slave_info
qlcnic: update version to 5.3.55
qlcnic: Enhance logic to calculate msix vectors.
qlcnic: Refactor interrupt coalescing code for all adapters.
qlcnic: Update poll controller code path
qlcnic: Interrupt code cleanup
qlcnic: Enhance Tx timeout debugging.
qlcnic: Use bool for rx_mac_learn.
bonding: fix u64 division
rtnetlink: add missing IFLA_BOND_AD_INFO_UNSPEC
sfc: Use the correct maximum TX DMA ring size for SFC9100
Add Shradha Shah as the sfc driver maintainer.
net/vxlan: Share RX skb de-marking and checksum checks with ovs
tulip: cleanup by using ARRAY_SIZE()
ip_tunnel: clear IPCB in ip_tunnel_xmit() in case dst_link_failure() is called
net/cxgb4: Don't retrieve stats during recovery
...
Pull scheduler fixes from Ingo Molnar:
"A couple of regression fixes mostly hitting virtualized setups, but
also some bare metal systems"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/x86/tsc: Initialize multiplier to 0
sched/clock: Fixup early initialization
sched/preempt/x86: Fix voluntary preempt for x86
Revert "sched: Fix sleep time double accounting in enqueue entity"
Pull user namespaces work from Eric Biederman:
"The work to convert the kernel to use kuid_t and kgid_t has been
finished since 3.12 so it is time to remove the scaffolding that
allowed the work to progress incrementally.
The first patch on this branch just removes the scaffolding, ensuring
we will always get compile errors if people accidentally try the
userspace and the kernel uid and gid types. The second patch an
overlooked and unused chunk of mips code that that fails to build
after the first patch.
The code hasn't been in linux-next for long (as I was out of it and
could not sheppared the cold properly) but the patch has been around
for a long time just waiting for the day when I had finished the
uid/gid conversions. Putting the code in linux-next did find the
compile failure on mips so I took the time to get that fix reviewed
and included. Beyond that I am not too worried about errors because
all these two patches do is delete a modest amount of code"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
MIPS: VPE: Remove vpe_getuid and vpe_getgid
userns: userns: Remove UIDGID_STRICT_TYPE_CHECKS
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Merge tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux
Pull Xtensa patches from Chris Zankel:
"The major changes are adding support for SMP for Xtensa, fixing and
cleaning up the ISS (simulator) network driver, and better support for
device trees"
* tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux: (40 commits)
xtensa: implement ndelay
xtensa: clean up udelay
xtensa: enable HAVE_PERF_EVENTS
xtensa: remap io area defined in device tree
xtensa: support default device tree buses
xtensa: initialize device tree clock sources
xtensa: xtfpga: fix definitions of platform devices
xtensa: standardize devicetree cpu compatible strings
xtensa: avoid duplicate of IO range definitions
xtensa: fix ATOMCTL register documentation
xtensa: Enable irqs after cpu is set online
xtensa: ISS: raise network polling rate to 10 times/sec
xtensa: remove unused XTENSA_ISS_NETWORK Kconfig parameter
xtensa: ISS: avoid simple_strtoul usage
xtensa: Switch to sched_clock_register()
xtensa: implement CPU hotplug
xtensa: add SMP support
xtensa: add MX irqchip
xtensa: clear timer IRQ unconditionally in its handler
xtensa: clean up do_interrupt/do_IRQ
...
Fix UV call into kgdb to depend only on whether KGDB is defined
and not both KGDB and KDB. This allows the power nmi command to
use the gdb remote connection if enabled. Note new action of
'kgdb' needs to be set as well to indicate user wants to wait
for gdb to be connected. If it's set to 'kdb' then an error
message is displayed if KDB is not configured.
Also note that if both KGDB and KDB are enabled, then the action
of 'kgdb' or 'kdb' has no affect on which is used. See the KGDB
documentation for further information.
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Hedi Berriche <hedi@sgi.com>
Cc: Russ Anderson <rja@sgi.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/20140114162551.635540667@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Make uv_register_nmi_notifier() and uv_handle_nmi_ping() static
to address sparse warnings.
Fix problem where uv_nmi_kexec_failed is unused when
CONFIG_KEXEC is not defined.
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Hedi Berriche <hedi@sgi.com>
Cc: Russ Anderson <rja@sgi.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/20140114162551.480872353@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Some code added to the debug_core module had KDB dependencies
that it shouldn't have. Move the KDB dependent REASON back to
the caller to remove the dependency in the debug core code.
Update the call from the UV NMI handler to conform to the new
interface.
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Hedi Berriche <hedi@sgi.com>
Cc: Russ Anderson <rja@sgi.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Link: http://lkml.kernel.org/r/20140114162551.318251993@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
- Add new documents with guidelines for DT binding stability and review
process. This is one of the outcomes of Kernel Summit DT discussions.
- Remove a bunch of device_type usage which is only for OF and
deprecated with FDT.
- Fix a long standing issue with compatible string match ordering.
- Various minor binding documentation updates.
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Merge tag 'devicetree-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
- Add new documents with guidelines for DT binding stability and review
process. This is one of the outcomes of Kernel Summit DT discussions
- Remove a bunch of device_type usage which is only for OF and
deprecated with FDT
- Fix a long standing issue with compatible string match ordering
- Various minor binding documentation updates
* tag 'devicetree-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: add rockchip vendor prefix
serial: vt8500: Add missing binding document for arch-vt8500 serial driver.
dt/bindings: submitting patches and ABI documents
DT: Add vendor prefix for Emerging Display Technologies
of: add vendor prefixe for EPFL
of: add vendor prefix for Gumstix
of: add vendor prefix for Ka-Ro electronics GmbH
devicetree: macb: Document clock properties
dts: bindings: trivial clock bindings doc fixes
of: Fix __of_device_is_available check
dt/bindings: Remove device_type "serial" from marvell,mv64360-mpsc
dt/bindings: remove device_type "network" references
dt/bindings: remove users of device_type "mdio"
dt/bindings: Remove references to linux,phandle properties
dt/bindings: Remove all references to device_type "ethernet-phy"
of: irq: Ignore disabled intc's when searching map
of: irq: Ignore disabled interrupt controllers
OF: base: match each node compatible against all given matches first
dt-bindings: add GIC-400 binding
Pull input subsystem updates from Dmitry Torokhov:
"Just a swath of driver fixes and cleanups, no new drivers this time
(although ALPS now supports one of the newer protocols, more to come)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (57 commits)
Input: wacom - add support for DTU-1031
Input: wacom - fix wacom->shared guards for dual input devices
Input: edt_ft5x06 - use devm_* functions where appropriate
Input: hyperv-keyboard - pass through 0xE1 prefix
Input: logips2pp - fix spelling s/reciver/receiver/
Input: delete non-required instances of include <linux/init.h>
Input: twl4030-keypad - convert to using managed resources
Input: twl6040-vibra - remove unneeded check for CONFIG_OF
Input: twl4030-keypad - add device tree support
Input: twl6040-vibra - add missing of_node_put
Input: twl4030-vibra - add missing of_node_put
Input: i8042 - cleanup SERIO_I8042 dependencies
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on x86
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on unicore32
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on sparc
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO for SH_CAYMAN
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on powerpc
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on mips
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on IA64
Input: i8042 - select ARCH_MIGHT_HAVE_PC_SERIO on ARM/Footbridge
...
Pull thermal management updates from Zhang Rui:
"This time, the biggest change is the work of representing hardware
thermal properties in device tree infrastructure.
This work includes the introduction of a device tree bindings for
describing the hardware thermal behavior and limits, and also a parser
to read and interpret the data, and build thermal zones and thermal
binding parameters. It also contains three examples on how to use the
new representation on sensor devices, using three different drivers to
accomplish it. One driver is in thermal subsystem, the TI SoC
thermal, and the other two drivers are in hwmon subsystem.
Actually, this would be the first step of the complete work because we
still need to check other potential drivers to be converted and then
validate the proposed API. But the reason why I include it in this
pull request is that, first, this change does not hurt any others
without using this approach, second, the principle and concept of this
change would not break after converting the remaining drivers. BTW,
as you can see, there are several points in this change that do not
belong to thermal subsystem. Because it has been suggested by Guenter
R that in such cases, it is recommended to send the complete series
via one single subsystem.
Specifics:
- representing hardware thermal properties in device tree
infrastructure
- fix a regression that the imx thermal driver breaks system suspend.
- introduce ACPI INT3403 thermal driver to retrieve temperature data
from the INT3403 ACPI device object present on some systems.
- introduce debug statement for thermal core and step_wise governor.
- assorted fixes and cleanups for thermal core, cpu cooling, exynos
thrmal, intel powerclamp and imx thermal driver"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (34 commits)
thermal: remove const flag from .ops of imx thermal
Thermal: update thermal zone device after setting emul_temp
intel_powerclamp: Fix cstate counter detection.
thermal: imx: add necessary clk operation
Thermal cpu cooling: return error if no valid cpu frequency entry
thermal: fix cpu_cooling max_level behavior
thermal: rcar-thermal: Enable driver compilation with COMPILE_TEST
thermal: debug: add debug statement for core and step_wise
thermal: imx_thermal: add module device table
drivers: thermal: Mark function as static in x86_pkg_temp_thermal.c
thermal:samsung: fix compilation warning
thermal: imx: correct suspend/resume flow
thermal: exynos: fix error return code
Thermal: ACPI INT3403 thermal driver
MAINTAINERS: add thermal bindings entry in thermal domain
arm: dts: make OMAP4460 bandgap node to belong to OCP
arm: dts: make OMAP443x bandgap node to belong to OCP
arm: dts: add cooling properties on omap5 cpu node
arm: dts: add omap5 thermal data
arm: dts: add omap5 CORE thermal data
...
- ACPI core changes to make it create a struct acpi_device object for every
device represented in the ACPI tables during all namespace scans regardless
of the current status of that device. In accordance with this, ACPI hotplug
operations will not delete those objects, unless the underlying ACPI tables
go away.
- On top of the above, new sysfs attribute for ACPI device objects allowing
user space to check device status by triggering the execution of _STA for
its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating the
PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the code
"glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for the
DBG2 and PCCT tables to ACPICA, fixes some bugs and improves debug
facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization earlier.
That should allow us to use ACPI during the timekeeping initialization
and possibly to simplify the EFI initialization too. From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over from
Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in drivers
that uses _DSM to execute it via the new helper. From Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun Guo,
Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava, Rashika Kheria,
Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support, from
Dirk Brandewie and intel_pstate documentation from Ramkumar Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John Tobias,
Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC disabled
during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente Kurusa,
Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a cpupower
tool cleanup from One Thousand Gnomes.
/
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Merge tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"As far as the number of commits goes, the top spot belongs to ACPI
this time with cpufreq in the second position and a handful of PM
core, PNP and cpuidle updates. They are fixes and cleanups mostly, as
usual, with a couple of new features in the mix.
The most visible change is probably that we will create struct
acpi_device objects (visible in sysfs) for all devices represented in
the ACPI tables regardless of their status and there will be a new
sysfs attribute under those objects allowing user space to check that
status via _STA.
Consequently, ACPI device eject or generally hot-removal will not
delete those objects, unless the table containing the corresponding
namespace nodes is unloaded, which is extremely rare. Also ACPI
container hotplug will be handled quite a bit differently and cpufreq
will support CPU boost ("turbo") generically and not only in the
acpi-cpufreq driver.
Specifics:
- ACPI core changes to make it create a struct acpi_device object for
every device represented in the ACPI tables during all namespace
scans regardless of the current status of that device. In
accordance with this, ACPI hotplug operations will not delete those
objects, unless the underlying ACPI tables go away.
- On top of the above, new sysfs attribute for ACPI device objects
allowing user space to check device status by triggering the
execution of _STA for its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating
the PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the
code "glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for
the DBG2 and PCCT tables to ACPICA, fixes some bugs and improves
debug facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization
earlier. That should allow us to use ACPI during the timekeeping
initialization and possibly to simplify the EFI initialization too.
From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over
from Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in
drivers that uses _DSM to execute it via the new helper. From
Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun
Guo, Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava,
Rashika Kheria, Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support,
from Dirk Brandewie and intel_pstate documentation from Ramkumar
Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz
Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark
Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John
Tobias, Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh
Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC
disabled during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf
Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente
Kurusa, Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a
cpupower tool cleanup from One Thousand Gnomes"
* tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (153 commits)
thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412)
cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ
Documentation: cpufreq / boost: Update BOOST documentation
cpufreq: exynos: Extend Exynos cpufreq driver to support boost
cpufreq / boost: Kconfig: Support for software-managed BOOST
acpi-cpufreq: Adjust the code to use the common boost attribute
cpufreq: Add boost frequency support in core
intel_pstate: Add trace point to report internal state.
cpufreq: introduce cpufreq_generic_get() routine
ARM: SA1100: Create dummy clk_get_rate() to avoid build failures
cpufreq: stats: create sysfs entries when cpufreq_stats is a module
cpufreq: stats: free table and remove sysfs entry in a single routine
cpufreq: stats: remove hotplug notifiers
cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly
cpufreq: speedstep: remove unused speedstep_get_state
platform: introduce OF style 'modalias' support for platform bus
PM / tools: new tool for suspend/resume performance optimization
ACPI: fix module autoloading for ACPI enumerated devices
ACPI: add module autoloading support for ACPI enumerated devices
ACPI: fix create_modalias() return value handling
...
Architectures which might use an i8042 for serial IO to keyboard,
mouse, etc should select ARCH_MIGHT_HAVE_PC_SERIO.
Signed-off-by: Mark Salter <msalter@redhat.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
CC: linux-mips@linux-mips.org
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6232/
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6320/
The kvm_mips_init_shadow_tlb() function is called from
kvm_arch_vcpu_init() and initialises entries 0 to
current_cpu_data.tlbsize-1 of the virtual cpu's shadow_tlb[64] array.
However newer cores with FTLBs can have a tlbsize > 64, for example the
ProAptiv I'm testing on has a total tlbsize of 576. This causes
kvm_mips_init_shadow_tlb() to overflow the shadow_tlb[64] array and
overwrite the comparecount_timer among other things, causing a lock up
when starting a KVM guest.
Aside from kvm_mips_init_shadow_tlb() which only initialises it, the
shadow_tlb[64] array is only actually used by the following functions:
- kvm_shadow_tlb_put() & kvm_shadow_tlb_load()
These are never called. The only call sites are #if 0'd out.
- kvm_mips_dump_shadow_tlbs()
This is never called.
It was originally added for trap & emulate, but turned out to be
unnecessary so it was disabled.
So instead of fixing the shadow_tlb initialisation code, lets just
remove the shadow_tlb[64] array and the above functions entirely. The
only functional change here is the removal of broken shadow_tlb
initialisation. The rest just deletes dead code.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org
Cc: Sanjay Lal <sanjayl@kymasys.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6384/
When KVM is enabled and TLB invalidation is supported,
kvm_mips_flush_host_tlb() can cause a machine check exception due to
multiple matching TLB entries. This can occur on shutdown even when KVM
hasn't been actively used.
Commit adb78de9eae8 (MIPS: mm: Move UNIQUE_ENTRYHI macro to a header
file) created a common UNIQUE_ENTRYHI in asm/tlb.h but it didn't update
the copy of UNIQUE_ENTRYHI in kvm_tlb.c to use it.
Commit 36b175451399 (MIPS: tlb: Set the EHINV bit for TLBINVF cores when
invalidating the TLB) later added TLB invalidation (EHINV) support to
the common UNIQUE_ENTRYHI.
Therefore make kvm_tlb.c use the EHINV aware UNIQUE_ENTRYHI
implementation in asm/tlb.h too.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Cc: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org
Cc: Sanjay Lal <sanjayl@kymasys.com>
Reviewed-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6383/
If this is not done then the new just read data which remains in dcache
will not make it into icache on time. Thus the CPU loads invalid data
and executes crap. The result is that the user is not able to execute
anything from its IDE based media while reading plain data is still
working well.
This problem has been reported as Debian #404951http://bugs.debian.org/404951http://comments.gmane.org/gmane.linux.ide/45092
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/2820/
The disabling of cpu_wait was done too early, before the detection was
done. This moves the code to a position where it actually works.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6352/
Broadcom BCM63xx DSL SoCs have a L1-cache line size of 16 bytes (shift
value of 4) instead of the currently configured 32 bytes L1-cache line
size.
Reported-by: Daniel Gonzalez <dgcbueu@gmail.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
All platforms that require a special MIPS_L1_CACHE_SHIFT value have been
updated, such that we can now make MIPS_L1_CACHE_SHIFT default to the
appropriate integer value based on the select MIPS_L1_CACHE_SHIFT_<N>
variable.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
In order to avoid keeping an ever growing list of chips which need to
select a specific MIPS_L1_CACHE_SHIFT value introduce multiple internal
and non-exposed Kconfig symbols for the various MIPS_L1_CACHE_SHIFT
values out there and update the relevant Kconfig symbols to select them.
Signed-off-by: Florian Fainelli <florian@openwrt.org>
In the worst case this adds less then 128 bytes of code
but on the other hand this makes code organization more clear.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: John Crispin <blogic@openwrt.org>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6344/
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6349/
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6348/
This fixes the following sparse warnings:
arch/mips/bcm47xx/board.c:39:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:46:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:53:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:78:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:99:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:109:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:124:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:155:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:177:16: warning: Using plain integer as NULL pointer
arch/mips/bcm47xx/board.c:189:16: warning: Using plain integer as NULL pointer
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6318/
When a nvram reset was performed from CFE, it sometimes does not
contain the productid value in nvram, but it still contains
hardware_version.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6316/
This is supported since implementing IRQ domain in ssb.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6315/
Some devices have power LED as well as status LED. The second one is
used to show the firmware is up and running. Set "timer" trigger for
such LEDs.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6312/
BUG() can be a noop if CONFIG_BUG is not selected,
leading to the following build problem on a randconfig:
arch/mips/bcm63xx/cpu.c: In function 'detect_cpu_clock':
arch/mips/bcm63xx/cpu.c:254:1: error: control reaches end of
non-void function [-Werror=return-type]
We fix this problem by replacing BUG() with panic() since it's
best to handle the case of an unknown board instead of silently
returning a random clock frequency.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Acked-by: Steven J. Hill <Steven.Hill@imgtec.com>
Acked-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5932/
This old wgt634u.c was trying to implement a bit ugly support for
Netgear WGT634U. It provided info about LED, flash mapping & layout and
was trying to handle reset button.
This is not needed anymore as we have replacement for all this stuff.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6302/
This includes all devices from OpenWrt's "diag" that we support in arch
code (we have entries for in enum bcm47xx_board).
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6301/
So far this adds support for one Netgear model only, but it's designed
and ready to add many more device. We could hopefully import database
from OpenWrt.
Support for SSB is currently disabled, because SSB doesn't implement IRQ
domain yet.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6300/
So far this is mostly just a proof of concept, database consists of a
single device. Creating a nice iterateable array wasn't an option
because devices have different amount of LEDs. And we don't want to
waste memory just because of support for a device with dozens on LEDs.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6299/
The BCM4706 has a problem with the CPU wait instruction. When r4k_wait
or r4k_wait_irqoff is used will just hang and not return from a
msleep(). Removing the cpu_wait functionality is a workaround for this
problem. The BCM4716 does not have this problem.
The BCM4706 SoC uses a MIPS 74K V4.9 CPU.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6288/
This will add the board name to the machine entry in /proc/cpuinfo.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5864/
Move wakeup to after early console. This will allow us to display error
messages when cores are not woken up. Also reduce the wait time for core
to come up.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6303/
The early serial code is not needed because we already have early
printk support provided by common/earlycons.c
This change also fixes the following build error that occurs when
CONFIG_SERIAL_8250 is not configured for Netlogic XLR boards:
arch/mips/built-in.o: In function `nlm_early_serial_setup':
setup.c:(.init.text+0x274): undefined reference to `early_serial_setup'
make: *** [vmlinux] Error 1
Reported-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6083/
Add a default device tree fie for XLP9XX boards, and add code to use
this device tree if no DTB is passed to the kernel.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6287/
Support for adding legacy IRQ domain for XLP9XX. The node id of the
PIC has to be calulated differently for XLP9XX.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6286/
XLP9XX has a USB 3.0 controller on-chip with 2 xHCI ports. The USB
block is similar to the one on XLP2XX, so update usb-init-xlp2.c
to handle XLP9XX as well.
Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6285/
Add PCI support for Netlogic XLP9XX. The PCI registers and
SoC bus numbers have changed in XLP9XX.
Also skip a few (bus,dev,fn) combinations which have issues when
read.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6284/
XLP9XX has 20 cores per node, opposed to 8 on earlier XLP8XX.
Update code that calculates node id from cpu id to handle this.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6283/
Update bridge code. Add code to the XLP9XX registers for DRAM
size, limit and node when running on XLPXX
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6282/
Update IO offset of the early console UART.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6281/
Add the SYS block registers for XLP9XX, most of them have changed.
The wakeup sequence has been updated to set the coherent mode from
the main thread rather than the woken up thread.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6280/
Functions for the XLP9XX interrupt table entry format and other PIC
register changes.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6279/
Most IO block offsets have changed in XLP9XX. Update iomap.h to add the
new addresses of different SoC blocks like PIC, SYS, UART etc. that are
needed by the base code.
On XLP9xx, the SoC blocks of other nodes are seen on a PCI bus
corresponding to the node. Update iomap code to reflect this.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6277/
Adds processor ID of XLP 9XX to asm/cpu.h. Update netlogic/xlp-hal/xlp.h
to add cpu_is_xlp9xx() and to update cpu_is_xlpii() to support XLP 9XX.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6274/
Use the FUSE register to get the list of active cores in the CPU
instead of using the CPU reset register, this is the recommended
method.
Also add code to mask the coremask with the default number of cores
for each processor series.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6275/
Add macro nlm_node_present() that can be used to check if a node is present
in a multi-chip configuration. This can be used even when NUMA is not enabled.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6272/
On XLPII CPUs, the L1D cache has to be flushed with regular cache
operations before enabling threads in a core.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6276/
No change in logic, the changes are:
* cleanup some whitespace and comments
* remove confusing argument of SYS_CPU_COHERENT_BASE macro
* make the numerical labels in macros consistent
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6273/
Add mach-netlogic/topology.h which contains XLP cpu number to core and
node mapping.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6271/
Add MSI chip and MSIX chip definitions.
For MSI, we map the link interrupt to a MSI link IRQ which will
do a second level of dispatch based on the MSI status register.
The MSI chip definitions use the MSI enable register to enable
and disable the MSI irqs.
For MSI-X, we split the 32 available MSI-X vectors across the
four PCIe links (8 each). These PIC interrupts generate an IRQ
per link which uses a second level dispatch as well.
The MSI-X chip definition uses the standard functions to enable
and disable interrupts.
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6270/
Boot log says:
pci 0000:00:0a.3: no compatible bridge window for [io 0x1000-0x103f]
pci 0000:00:0a.3: no compatible bridge window for [io 0x1100-0x110f]
The io resource starting point on Malta was modified by c5de50dada (MIPS:
Malta: Change start address to avoid conflicts.) to avoid conflicts with
ACPI and SMB devices. In fact, that was not needed (and now causing
southbridge ACPI missing) since 166c637075 (PCI: add pci_create_root_bus()
that accepts resource list) and 7c090e5bfa (mips/PCI: convert to
pci_scan_root_bus() for correct root bus resources) had already done the
correct fix.
This patch actually reverts the change made by c5de50dada. And with this
fix, log says:
pci 0000:00:0a.3: quirk: [io 0x1000-0x103f] claimed by PIIX4 ACPI
pci 0000:00:0a.3: quirk: [io 0x1100-0x110f] claimed by PIIX4 SMB
These things may not be used but as part of platform resources are better
off to be included.
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6037/
Currently the supported ISA is only printed on the latest architectures.
Print it also on legacy platforms.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6295/
The platform data already available in tree for JZ4740 USB Device
Controller was previously used by an out-of-tree USB gadget driver
which was not relying on the musb driver and was written by Ingenic
and the Qi-Hardware community.
Update platform data for JZ4740 USB device controller to be used with
musb driver.
Signed-off-by: Apelete Seketeli <apelete@seketeli.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6265/
This patch removes CONFIG_MTD_PARTITIONS in config files for MIPS.
Because CONFIG_MTD_PARTITIONS was removed by commit 6a8a98b22b.
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6162/
Signed-off-by: Eunbong Song <eunb.song@samsung.com>
There is already an init_dsp function which checks cpu_has_dsp & calls
__init_dsp if it does. Make use of it instead of duplicating the same
code.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Qais Yousef <qais.yousef@imgtec.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6148/
This patch cleans up the declaration of the resume function by replacing
void pointers with their correct types. The irrelevant & incorrect
comment preceeding the resume function is replaced by one documenting
its function.
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Qais Yousef <qais.yousef@imgtec.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6146/
Add defconfig for the Ben NanoNote handheld computer which is built
around QI_LB60 board and Ingenic JZ4740 MIPS SoC.
Signed-off-by: Apelete Seketeli <apelete@seketeli.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6257/
The introduction of percpu offset optimisation through tpidr_el1 in:
Commit id :7158627686f02319c50c8d9d78f75d4c8
"arm64: percpu: implement optimised pcpu access using tpidr_el1"
requires cpu_{suspend/resume} to restore the tpidr_el1 register upon resume
so that percpu variables can be addressed correctly when a CPU comes out
of reset from warm-boot.
This patch fixes cpu_{suspend}/{resume} tpidr_el1 restoration on resume, by
calling the set_my_cpu_offset C API, as it is done on primary and secondary
CPUs on cold boot, so that, even if the register used to store the percpu
offset is changed, the save and restore of general purpose registers does not
have to be updated.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
To provide access to the set-partition-resource-parameter interface
to user space add a new attribute to hypfs/debugfs:
* s390_hypsfs/diag_304
The data for the query-partition-resource-parameters command can
be access by a read on the attribute. All other diagnose 0x304
requests need to be submitted via ioctl with CAP_SYS_ADMIN rights.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Merge second patch-bomb from Andrew Morton:
- various misc bits
- the rest of MM
- add generic fixmap.h, use it
- backlight updates
- dynamic_debug updates
- printk() updates
- checkpatch updates
- binfmt_elf
- ramfs
- init/
- autofs4
- drivers/rtc
- nilfs
- hfsplus
- Documentation/
- coredump
- procfs
- fork
- exec
- kexec
- kdump
- partitions
- rapidio
- rbtree
- userns
- memstick
- w1
- decompressors
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (197 commits)
lib/decompress_unlz4.c: always set an error return code on failures
romfs: fix returm err while getting inode in fill_super
drivers/w1/masters/w1-gpio.c: add strong pullup emulation
drivers/memstick/host/rtsx_pci_ms.c: fix ms card data transfer bug
userns: relax the posix_acl_valid() checks
arch/sh/kernel/dwarf.c: use rbtree postorder iteration helper instead of solution using repeated rb_erase()
fs-ext3-use-rbtree-postorder-iteration-helper-instead-of-opencoding-fix
fs/ext3: use rbtree postorder iteration helper instead of opencoding
fs/jffs2: use rbtree postorder iteration helper instead of opencoding
fs/ext4: use rbtree postorder iteration helper instead of opencoding
fs/ubifs: use rbtree postorder iteration helper instead of opencoding
net/netfilter/ipset/ip_set_hash_netiface.c: use rbtree postorder iteration instead of opencoding
rbtree/test: test rbtree_postorder_for_each_entry_safe()
rbtree/test: move rb_node to the middle of the test struct
rapidio: add modular rapidio core build into powerpc and mips branches
partitions/efi: complete documentation of gpt kernel param purpose
kdump: add /sys/kernel/vmcoreinfo ABI documentation
kdump: fix exported size of vmcoreinfo note
kexec: add sysctl to disable kexec_load
fs/exec.c: call arch_pick_mmap_layout() only once
...
entirely of new platform/driver support. There are some conversions of
existing drivers to the common-clock Device Tree binding, and a few
non-critical fixes to the framework.
Due to an entirely unnecessary cyclical dependency with the arm-soc tree
this pull request is broken into two pieces. The second piece will be
sent out after arm-soc sends you the pull request that merged in core
support for the HiSilicon 3620 platform. That same pull request from
arm-soc depends on this pull request to merge in those HiSilicon bits
without causing build failures.
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Merge tag 'clk-for-linus-3.14-part1' of git://git.linaro.org/people/mike.turquette/linux
Pull clk framework changes from Mike Turquette:
"The first half of the clk framework pull request is made up almost
entirely of new platform/driver support. There are some conversions
of existing drivers to the common-clock Device Tree binding, and a few
non-critical fixes to the framework.
Due to an entirely unnecessary cyclical dependency with the arm-soc
tree this pull request is broken into two pieces. The second piece
will be sent out after arm-soc sends you the pull request that merged
in core support for the HiSilicon 3620 platform. That same pull
request from arm-soc depends on this pull request to merge in those
HiSilicon bits without causing build failures"
[ Just did the ARM SoC merges, so getting ready for the second clk tree
pull request - Linus ]
* tag 'clk-for-linus-3.14-part1' of git://git.linaro.org/people/mike.turquette/linux: (97 commits)
devicetree: bindings: Document qcom,mmcc
devicetree: bindings: Document qcom,gcc
clk: qcom: Add support for MSM8660's global clock controller (GCC)
clk: qcom: Add support for MSM8974's multimedia clock controller (MMCC)
clk: qcom: Add support for MSM8974's global clock controller (GCC)
clk: qcom: Add support for MSM8960's multimedia clock controller (MMCC)
clk: qcom: Add support for MSM8960's global clock controller (GCC)
clk: qcom: Add reset controller support
clk: qcom: Add support for branches/gate clocks
clk: qcom: Add support for root clock generators (RCGs)
clk: qcom: Add support for phase locked loops (PLLs)
clk: qcom: Add a regmap type clock struct
clk: Add set_rate_and_parent() op
reset: Silence warning in reset-controller.h
clk: sirf: re-arch to make the codes support both prima2 and atlas6
clk: composite: pass mux_hw into determine_rate
clk: shmobile: Fix MSTP clock array initialization
clk: shmobile: Fix MSTP clock index
ARM: dts: Add clock provider specific properties to max77686 node
clk: max77686: Register OF clock provider
...
Updates of SoC-near drivers and other driver updates that makes more sense to
take through our tree.
The largest part of this is a conversion of device registration for some
renesas shmobile/sh devices over to use resources. This has required
coordination with the corresponding arch/sh changes, and we've agreed
to merge the arch/sh changes through our tree.
Added in this branch is support for Trusted Foundations secure firmware,
which is what is used on many of the commercial Nvidia Tegra products
that are in the market, including the Nvidia Shield. The code is local
to arch/arm at this time since it's uncertain whether it will be shared
with arm64 longer-term, if needed we will refactor later.
A couple of new RTC drivers used on ARM boards, merged through our tree
on request by the RTC maintainer.
... plus a bunch of smaller updates across the board, gpio conversions
for davinci, etc.
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM driver updates from Olof Johansson:
"Updates of SoC-near drivers and other driver updates that makes more
sense to take through our tree.
The largest part of this is a conversion of device registration for
some renesas shmobile/sh devices over to use resources. This has
required coordination with the corresponding arch/sh changes, and
we've agreed to merge the arch/sh changes through our tree.
Added in this branch is support for Trusted Foundations secure
firmware, which is what is used on many of the commercial Nvidia Tegra
products that are in the market, including the Nvidia Shield. The
code is local to arch/arm at this time since it's uncertain whether it
will be shared with arm64 longer-term, if needed we will refactor
later.
A couple of new RTC drivers used on ARM boards, merged through our
tree on request by the RTC maintainer.
... plus a bunch of smaller updates across the board, gpio conversions
for davinci, etc"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (45 commits)
watchdog: davinci: rename platform driver to davinci-wdt
tty: serial: Limit msm_serial_hs driver to platforms that use it
mmc: msm_sdcc: Limit driver to platforms that use it
usb: phy: msm: Move mach dependent code to platform data
clk: versatile: fixup IM-PD1 clock implementation
clk: versatile: pass a name to ICST clock provider
ARM: integrator: pass parent IRQ to the SIC
irqchip: versatile FPGA: support cascaded interrupts from DT
gpio: davinci: don't create irq_domain in case of unbanked irqs
gpio: davinci: use chained_irq_enter/chained_irq_exit API
gpio: davinci: add OF support
gpio: davinci: remove unused variable intc_irq_num
gpio: davinci: convert to use irqdomain support.
gpio: introduce GPIO_DAVINCI kconfig option
gpio: davinci: get rid of DAVINCI_N_GPIO
gpio: davinci: use {readl|writel}_relaxed() instead of __raw_*
serial: sh-sci: Add OF support
serial: sh-sci: Add device tree bindings documentation
serial: sh-sci: Remove platform data mapbase and irqs fields
serial: sh-sci: Remove platform data scbrr_algo_id field
...
This branch is reducing in size for every release since most board-related
changes have started happening in devicetrees now. Still, we have some things
going on here.
* Renesas platforms are still adding a bit more legacy device support, something
that should trail off shortly as they move to full DT.
* We group most defconfig updates into this branch out of old habits
* Removal of legacy OMAP2 platforms over to DT continues, and a handful of old
code is being removed here.
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Merge tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC board updates from Olof Johansson:
"This branch is reducing in size for every release since most
board-related changes have started happening in devicetrees now.
Still, we have some things going on here.
* Renesas platforms are still adding a bit more legacy device
support, something that should trail off shortly as they move to
full DT
* We group most defconfig updates into this branch out of old habits
* Removal of legacy OMAP2 platforms over to DT continues, and a
handful of old code is being removed here"
* tag 'boards-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits)
ARM: dts: OMAP2: fix interrupt number for rng
ARM: dts: Split omap3 pinmux core device
ARM: dts: Add omap specific pinctrl defines to use padconf addresses
ARM: bcm2835: bcm2835_defconfig updates
ARM: msm_defconfig: Enable restart driver
defconfig: msm_defconfig: Enable CONFIG_ARCH_MSM8974
ARM: msm: Add support for APQ8074 Dragonboard
ARM: exynos_defconfig: Enable S2MPS11 voltage regulator
ARM: tegra: Enable DRM panel support
ARM: shmobile: mackerel: Fix USBHS pinconf entry
ARM: shmobile: Let Koelsch multiplatform boot with Koelsch DTB
ARM: shmobile: Let Lager multiplatform boot with Lager DTB
ARM: shmobile: Remove non-multiplatform Koelsch reference support
ARM: shmobile: Remove non-multiplatform Lager reference support
ARM: shmobile: koelsch-reference: Instantiate clkdevs for SCIF and CMT
ARM: shmobile: lager-reference: Instantiate clkdevs for SCIF and CMT
ARM: shmobile: koelsch-reference: Remove duplicate CCF initialization
ARM: shmobile: lager-reference: Enable multiplaform kernel support
ARM: shmobile: armadillo: Set backlight enable GPIO
ARM: shmobile: Koelsch: add Ether support
...
Conflicts:
arch/arm/mach-omap2/omap_hwmod_2xxx_ipblock_data.c
DT and DT-conversion-related changes for various ARM platforms. Most
of these are to enable various devices on various boards, etc, and not
necessarily worth enumerating.
New boards and systems continue to come in as new devicetree files that
don't require corresponding C changes any more, which is indicating that
the system is starting to work fairly well.
A few things worth pointing out:
* ST Ericsson ux500 platforms have made the major push to move over to fully
support the platform with DT.
* Renesas platforms continue their conversion over from legacy platform devices
to DT-based for hardware description.
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC DT updates from Olof Johansson:
"DT and DT-conversion-related changes for various ARM platforms. Most
of these are to enable various devices on various boards, etc, and not
necessarily worth enumerating.
New boards and systems continue to come in as new devicetree files
that don't require corresponding C changes any more, which is
indicating that the system is starting to work fairly well.
A few things worth pointing out:
* ST Ericsson ux500 platforms have made the major push to move over
to fully support the platform with DT
* Renesas platforms continue their conversion over from legacy
platform devices to DT-based for hardware description"
* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (327 commits)
ARM: dts: SiRF: add pin group for USP0 with only RX or TX frame sync
ARM: dts: SiRF: add lost usp1_uart_nostreamctrl pin group for atlas6
ARM: dts: sirf: add lost minigpsrtc device node
ARM: dts: sirf: add clock, frequence-voltage table for CPU0
ARM: dts: sirf: add lost bus_width, clock and status for sdhci
ARM: dts: sirf: add lost clocks for cphifbg
ARM: dts: socfpga: add pl330 clock
ARM: dts: socfpga: update L2 tag and data latency
arm: sun7i: cubietruck: Enable the i2c controllers
ARM: dts: add support for EXYNOS4412 based TINY4412 board
ARM: dts: Add initial support for Arndale Octa board
ARM: bcm2835: add USB controller to device tree
ARM: dts: MSM8974: Add MMIO architected timer node
ARM: dts: MSM8974: Add restart node
ARM: dts: sun7i: external clock outputs
ARM: dts: sun7i: Change 32768 Hz oscillator node name to clk@N style
ARM: dts: sun7i: Add pin muxing options for clock outputs
ARM: dts: sun7i: Add rtp controller node
ARM: dts: sun5i: Add rtp controller node
ARM: dts: sun4i: Add rtp controller node
...
New core SoC-specific changes.
New platforms:
* Introduction of a vendor, Hisilicon, and one of their SoCs with some
random numerical product name.
* Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m, i.e. !MMU).
* Marvell Berlin series of SoCs, which include the one in Chromecast.
* MOXA platform support, ARM9-based platform used mostly in industrial products
* Support for Freescale's i.MX50 SoC.
Other work:
* Renesas work for new platforms and drivers, and conversion over to
more multiplatform-friendly device registration schemes.
* SMP support for Allwinner sunxi platforms.
* ... plus a bunch of other stuff across various platforms.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Olof Johansson:
"New core SoC-specific changes.
New platforms:
* Introduction of a vendor, Hisilicon, and one of their SoCs with
some random numerical product name.
* Introduction of EFM32, embedded platform from Silicon Labs (ARMv7m,
i.e. !MMU).
* Marvell Berlin series of SoCs, which include the one in Chromecast.
* MOXA platform support, ARM9-based platform used mostly in
industrial products
* Support for Freescale's i.MX50 SoC.
Other work:
* Renesas work for new platforms and drivers, and conversion over to
more multiplatform-friendly device registration schemes.
* SMP support for Allwinner sunxi platforms.
* ... plus a bunch of other stuff across various platforms"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (201 commits)
ARM: tegra: fix tegra_powergate_sequence_power_up() inline
ARM: msm_defconfig: Update for multi-platform
ARM: msm: Move MSM's DT based hardware to multi-platform support
ARM: msm: Only build timer.c if required
ARM: msm: Only build clock.c on proc_comm based platforms
ARM: ux500: Enable system suspend with WFI support
ARM: ux500: turn on PRINTK_TIME in u8500_defconfig
ARM: shmobile: r8a7790: Fix I2C controller names
ARM: msm: Simplify ARCH_MSM_DT config
ARM: msm: Add support for MSM8974 SoC
ARM: sunxi: select ARM_PSCI
MAINTAINERS: Update Allwinner sunXi maintainer files
ARM: sunxi: Select RESET_CONTROLLER
ARM: imx: improve the comment of CCM lpm SW workaround
ARM: imx: improve status check of clock gate
ARM: imx: add necessary interface for pfd
ARM: imx_v6_v7_defconfig: Select CONFIG_REGULATOR_PFUZE100
ARM: imx_v6_v7_defconfig: Select MX35 and MX50 device tree support
ARM: imx: Add cpu frequency scaling support
ARM i.MX35: Add devicetree support.
...
This is the branch where we usually queue up cleanup efforts, moving
drivers out of the architecture directory, header file restructuring,
etc. Sometimes they tangle with new development so it's hard to keep it
strictly to cleanups.
Some of the things included in this branch are:
* Atmel SAMA5 conversion to common clock
* Reset framework conversion for tegra platforms
- Some of this depends on tegra clock driver reworks that are shared with Mike
Turquette's clk tree.
* Tegra DMA refactoring, which are shared branches with the DMA tree.
* Removal of some header files on exynos to prepare for multiplatform
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"This is the branch where we usually queue up cleanup efforts, moving
drivers out of the architecture directory, header file restructuring,
etc. Sometimes they tangle with new development so it's hard to keep
it strictly to cleanups.
Some of the things included in this branch are:
* Atmel SAMA5 conversion to common clock
* Reset framework conversion for tegra platforms
- Some of this depends on tegra clock driver reworks that are shared
with Mike Turquette's clk tree.
* Tegra DMA refactoring, which are shared branches with the DMA tree.
* Removal of some header files on exynos to prepare for
multiplatform"
* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
ARM: mvebu: move Armada 370/XP specific definitions to armada-370-xp.h
ARM: mvebu: remove prototypes of non-existing functions from common.h
ARM: mvebu: move ARMADA_XP_MAX_CPUS to armada-370-xp.h
serial: sh-sci: Rework baud rate calculation
serial: sh-sci: Compute overrun_bit without using baud rate algo
serial: sh-sci: Remove unused GPIO request code
serial: sh-sci: Move overrun_bit and error_mask fields out of pdata
serial: sh-sci: Support resources passed through platform resources
serial: sh-sci: Don't check IRQ in verify port operation
serial: sh-sci: Set the UPF_FIXED_PORT flag
serial: sh-sci: Remove duplicate interrupt check in verify port op
serial: sh-sci: Simplify baud rate calculation algorithms
serial: sh-sci: Remove baud rate calculation algorithm 5
serial: sh-sci: Sort headers alphabetically
ARM: EXYNOS: Kill exynos_pm_late_initcall()
ARM: EXYNOS: Consolidate selection of PM_GENERIC_DOMAINS for Exynos4
ARM: at91: switch Calao QIL-A9260 board to DT
clk: at91: fix pmc_clk_ids data type attriubte
PM / devfreq: use inclusion <mach/map.h> instead of <plat/map-s5p.h>
ARM: EXYNOS: remove <mach/regs-clock.h> for exynos
...
As usual, we have a batch of fixes that weren't considered significant
enough to warrant going into the later -rcs for previous release, so
they are queued up on this branch.
A handful of these are for various DT fixups for Samsung platforms,
and a handful of other minor things.
There are also a couple of stable-marked patches for mvebu -- they came in
quite late and we decided to keep them deferred until the first -stable
release to get more coverage instead of squeezing them into 3.13.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-critical fixes from Olof Johansson:
"As usual, we have a batch of fixes that weren't considered significant
enough to warrant going into the later -rcs for previous release, so
they are queued up on this branch.
A handful of these are for various DT fixups for Samsung platforms,
and a handful of other minor things.
There are also a couple of stable-marked patches for mvebu -- they
came in quite late and we decided to keep them deferred until the
first -stable release to get more coverage instead of squeezing them
into 3.13"
* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits)
ARM: at91: smc: bug fix in sam9_smc_cs_read()
i2c: mv64xxx: Document the newly introduced Armada XP A0 compatible
i2c: mv64xxx: Fix bus hang on A0 version of the Armada XP SoCs
ARM: mvebu: Add quirk for i2c for the OpenBlocks AX3-4 board
ARM: mvebu: Add support to get the ID and the revision of a SoC
ARM: dts: msm: Fix gpio interrupt and reg length
irqchip: sirf: set IRQ_LEVEL status_flags
ARM: OMAP2+: gpmc: Move legacy GPMC width setting
ARM: OMAP2+: gpmc: Introduce gpmc_set_legacy()
ARM: OMAP2+: gpmc: Move initialization outside the gpmc_t condition
ARM: OMAP2+: board-generic: update SoC compatibility strings
Documentation: dt: OMAP: explicitly state SoC compatible strings
ARM: OMAP2+: enable AM33xx SOC EVM audio
ARM: OMAP2+: Select USB PHY for AM335x SoC
ARM: bcm2835: Fix grammar in help message
ARM: msm: trout: fix uninit var warning
ARM: dts: Use MSHC controller for eMMC memory for exynos4412-trats2
ARM: dts: Fix definition of MSHC device tree nodes for exynos4x12
ARM: dts: add clock provider for mshc node for Exynos4412 SOC
clk: samsung: exynos4: Fix definition of div_mmc_pre4 divider
...
Pull ARM updates from Russell King:
"In this set, we have:
- Refactoring of some of the old StrongARM-1100 GPIO code to make
things simpler by Dmitry Eremin-Solenikov
- Read-only and non-executable support for modules on ARM from Laura
Abbot
- Removal of unnecessary set_drvdata() calls in AMBA code
- Some non-executable support for kernel lowmem mappings at the 1MB
section granularity, and dumping of kernel page tables via debugfs
- Some improvements for the timer/clock code on Footbridge platforms,
and cleanup some of the LED code there
- Fix fls/ffs() signatures to match x86 to prevent build warnings,
particularly where these are used with min/max() macros
- Avoid using the bootmem allocator on ARM (patches from Santosh
Shilimkar)
- Various asid/unaligned access updates from Will Deacon"
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (51 commits)
ARM: SMP implementations are not supposed to return from smp_ops.cpu_die()
ARM: ignore memory below PHYS_OFFSET
Fix select-induced Kconfig warning for ZBOOT_ROM
ARM: fix ffs/fls implementations to match x86
ARM: 7935/1: sa1100: collie: add gpio-keys configuration
ARM: 7932/1: bcm: Add DEBUG_LL console support
ARM: 7929/1: Remove duplicate SCHED_HRTICK config option
ARM: 7928/1: kconfig: select HAVE_EFFICIENT_UNALIGNED_ACCESS for CPUv6+ && MMU
ARM: 7927/1: dcache: select DCACHE_WORD_ACCESS for big-endian CPUs
ARM: 7926/1: mm: flesh out and fix the comments in the ASID allocator
ARM: 7925/1: mm: keep track of last ASID allocation to improve bitmap searching
ARM: 7924/1: mm: don't bother with reserved ttbr0 when running with LPAE
ARM: PCI: add legacy IDE IRQ implementation
ARM: footbridge: cleanup LEDs code
ARM: pgd allocation: retry on failure
ARM: footbridge: add one-shot mode for DC21285 timer
ARM: footbridge: add sched_clock implementation
ARM: 7922/1: l2x0: add Marvell Tauros3 support
ARM: 7877/1: use built-in byte swap function
ARM: 7921/1: mcpm: remove redundant dsb instructions prior to sev
...
When a skeleton "clocks { .. }" remain in .dtsi, the child node can
be moved to .dts, "ref12" is then found by of_clk_get().
Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
