* omap/fixes-non-critical:
ARM: OMAP2+: fix typo "CONFIG_BRIDGE_DVFS"
ARM: OMAP1: remove "config MACH_OMAP_HTCWIZARD"
ARM: OMAP: dpll: enable bypass clock only when attempting dpll bypass
ARM: OMAP2+: powerdomain: avoid testing whether an unsigned char is less than 0
ARM: OMAP2+: hwmod: Remove unused _HWMOD_WAKEUP_ENABLED flag
ARM: OMAP2+: am335x: Change the wdt1 func clk src to per_32k clk
ARM: OMAP2+: AM33xx: hwmod: Add missing sysc definition to wdt1 entry
ARM: OMAP: fix typo "CONFIG_SMC91x_MODULE"
ARM: OMAP5: clock: No Freqsel on OMAP5 devices too
ARM: OMAP5: Make errata i688 workaround available
ARM: OMAP5: Update SAR memory layout for WakeupGen
ARM: OMAP5: Update SAR RAM base address
ARM: OMAP5: Reuse prm read_inst/write_inst
ARM: OMAP5: prm: Allow prm init to succeed
ARM: OMAP5: timer: Update the clocksource name as per clock data
ARM: OMAP5: Update SOC id detection code for ES2
When the Marvell Armada 370/XP support was included in the kernel, the
drivers/irqchip/ directory didn't exist and the minimal infrastructure
in it also didn't exist. Now that we have those things in place, we
move the Armada 370/XP IRQ controller driver from
arch/arm/mach-mvebu/irq-armada-370-xp.c to
drivers/irqchip/irq-armada-370-xp.c.
Note in order to reduce code movement and therefore ease the review of
this patch, we intentionally introduce a forward declaration of
armada_370_xp_handle_irq(). It is in fact not needed because this
handler can now simply be implemented before
armada_370_xp_mpic_of_init(). That will be done in the next commit.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
In preparation for moving the IRQ controller driver to
drivers/irqchip/, we don't want the IRQ controller driver to be
responsible for initializing the L2 cache. Instead, let's initialize
the L2 cache at the init_early() level, like mach-exynos/common.c is
doing.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Pull ARM fixes from Russell King:
"Another round of ARM fixes, which include:
- Fixing a problem with LPAE mapping sections
- Reporting of some hwcaps on Krait CPUs
- Avoiding repetitive warnings in the breakpoint code
- Fixing a build error noticed on Dove platforms with PJ4 CPUs
- Fix masking of level 2 cache revision.
- Fixing timer-based udelay()
- A larger fix for an erratum causing people major grief with Cortex
A15 CPUs"
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7690/1: mm: fix CONFIG_LPAE typos
ARM: 7689/1: add unwind annotations to ftrace asm
ARM: 7685/1: delay: use private ticks_per_jiffy field for timer-based delay ops
ARM: 7684/1: errata: Workaround for Cortex-A15 erratum 798181 (TLBI/DSB operations)
ARM: 7682/1: cache-l2x0: fix masking of RTL revision numbering and set_debug init
ARM: iWMMXt: always enable iWMMXt support with PJ4 CPUs
ARM: 7681/1: hw_breakpoint: use warn_once to avoid spam from reset_ctrl_regs()
ARM: 7678/1: Work around faulty ISAR0 register in some Krait CPUs
ARM: 7680/1: Detect support for SDIV/UDIV from ISAR0 register
ARM: 7679/1: Clear IDIVT hwcap if CONFIG_ARM_THUMB=n
ARM: 7677/1: LPAE: Fix mapping in alloc_init_section for unaligned addresses
ARM: KVM: vgic: take distributor lock on sync_hwstate path
ARM: KVM: vgic: force EOIed LRs to the empty state
CONFIG_LPAE doesn't exist: the correct option is CONFIG_ARM_LPAE, so fix
up the two typos under arch/arm/.
The fix to head.S is slightly scary, but this is just for setting up
an early io-mapping for the serial port when running on a big-endian,
LPAE system. Since these systems don't exist in the wild (at least, I
have no access to one outside of kvmtool, which doesn't provide a serial
port suitable for earlyprintk), then we can revisit the code later if it
causes any problems.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Add unwind annotations to the ftrace assembly code so that the function
tracer's stacktracing options (func_stack_trace, etc.) work when
CONFIG_ARM_UNWIND is enabled.
Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit 70264367a2 ("ARM: 7653/2: do not scale loops_per_jiffy when
using a constant delay clock") fixed a problem with our timer-based
delay loop, where loops_per_jiffy is scaled by cpufreq yet used directly
by the timer delay ops.
This patch fixes the problem in a more elegant way by keeping a private
ticks_per_jiffy field in the delay ops, independent of loops_per_jiffy
and therefore not subject to scaling. The loop-based delay continues to
use loops_per_jiffy directly, as it should.
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
On Cortex-A15 (r0p0..r3p2) the TLBI/DSB are not adequately shooting down
all use of the old entries. This patch implements the erratum workaround
which consists of:
1. Dummy TLBIMVAIS and DSB on the CPU doing the TLBI operation.
2. Send IPI to the CPUs that are running the same mm (and ASID) as the
one being invalidated (or all the online CPUs for global pages).
3. CPU receiving the IPI executes a DMB and CLREX (part of the exception
return code already).
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Commit b8db6b8 (ARM: 7547/4: cache-l2x0: add support for Aurora L2 cache
ctrl) moved the masking of the part ID which caused the RTL version to be
lost. Commit 6248d06 (ARM: 7545/1: cache-l2x0: make outer_cache_fns a
field of l2x0_of_data) changed how .set_debug is initialized. Both commits
break commit 74ddcdb (ARM: 7608/1: l2x0: Only set .set_debug
on PL310 r3p0 and earlier) which uses the RTL version to conditionally set
.set_debug function pointer. Commit b8db6b8 also caused the printed cache
ID to be missing the version information.
Fix this by reverting how the part number is masked so the RTL version
info is maintained. The cache-id-part DT property does not set the RTL
bits so masking them should have no effect. Also, re-arrange the order
of the function pointer init so the .set_debug function can be overridden.
Reported-by: Paolo Pisati <paolo.pisati@canonical.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Yehuda Yitschak <yehuday@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Jason Cooper reports these build errors:
arch/arm/kernel/built-in.o: In function `iwmmxt_do':
/.../arch/arm/kernel/pj4-cp0.c:36: undefined reference to `iwmmxt_task_release'
/.../arch/arm/kernel/pj4-cp0.c:40: undefined reference to `iwmmxt_task_switch'
make: *** [vmlinux] Error 1
This is caused because the PJ4 code explicitly references the iWMMXt
code, but doesn't require it to be built. Fix this by ensuring that
iWMMXt is always enabled with PJ4.
Reported-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
After a quiet set of fixes for 3.9-rc4, a lot of people woke up and sent
urgent fixes for 3.9. I pushed back on a number of them that got
deferred to 3.10, but these are the ones that seemed important.
Regression in 3.9:
- Multiple regressions in OMAP2+ clock cleanup
- SH-Mobile frame buffer bug fix that merged here because of maintainer MIA
- ux500 prcmu changes broke DT booting
- MMCI duplicated regulator setup on ux500
- New ux500 clock driver broke ethernet on snowball
- Local interrupt driver for mvebu broke ethernet
- MVEBU GPIO driver did not get set up right on Orion DT
- incorrect interrupt number on Orion crypto for DT
Long-standing bugs, including candidates for stable:
- Kirkwood MMC needs to disable invalid card detect pins
- MV SDIO pinmux was wrong on Mirabox
- GoFlex Net board file needs to set NAND chip delay
- MSM timer restart race
- ep93xx early debug code broke in 3.7
- i.MX CPU hotplug race
- Incorrect clock setup for OMAP1 USB
- Workaround for bad clock setup by some old OMAP4 boot loaders
- Static I/O mappings on cns3xxx since 3.2
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC bug fixes from Arnd Bergmann:
"After a quiet set of fixes for 3.9-rc4, a lot of people woke up and
sent urgent fixes for 3.9. I pushed back on a number of them that got
deferred to 3.10, but these are the ones that seemed important.
Regression in 3.9:
- Multiple regressions in OMAP2+ clock cleanup
- SH-Mobile frame buffer bug fix that merged here because of
maintainer MIA
- ux500 prcmu changes broke DT booting
- MMCI duplicated regulator setup on ux500
- New ux500 clock driver broke ethernet on snowball
- Local interrupt driver for mvebu broke ethernet
- MVEBU GPIO driver did not get set up right on Orion DT
- incorrect interrupt number on Orion crypto for DT
Long-standing bugs, including candidates for stable:
- Kirkwood MMC needs to disable invalid card detect pins
- MV SDIO pinmux was wrong on Mirabox
- GoFlex Net board file needs to set NAND chip delay
- MSM timer restart race
- ep93xx early debug code broke in 3.7
- i.MX CPU hotplug race
- Incorrect clock setup for OMAP1 USB
- Workaround for bad clock setup by some old OMAP4 boot loaders
- Static I/O mappings on cns3xxx since 3.2"
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: cns3xxx: fix mapping of private memory region
arm: mvebu: Fix pinctrl for Armada 370 Mirabox SDIO port.
arm: orion5x: correct IRQ used in dtsi for mv_cesa
arm: orion5x: fix orion5x.dtsi gpio parameters
ARM: Kirkwood: fix unused mvsdio gpio pins
arm: mvebu: Use local interrupt only for the timer 0
ARM: kirkwood: Fix chip-delay for GoFlex Net
ARM: ux500: Enable the clock controlling Ethernet on Snowball
ARM: ux500: Stop passing ios_handler() as an MMCI power controlling call-back
ARM: ux500: Apply the TCPM and TCDM locations and sizes to dbx5x0 DT
fbdev: sh_mobile_lcdc: fixup B side hsync adjust settings
ARM: OMAP: clocks: Delay clk inits atleast until slab is initialized
ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill
ARM: msm: Stop counting before reprogramming clockevent
ARM: ep93xx: Fix wait for UART FIFO to be empty
ARM: OMAP4: PM: fix PM regression introduced by recent clock cleanup
ARM: OMAP3: hwmod data: keep MIDLEMODE in force-standby for musb
ARM: OMAP4: clock data: lock USB DPLL on boot
ARM: OMAP1: fix USB host on 1710
From Anton Vorontsov <anton@enomsg.org>:
This tag includes Mac Lin's work to revive CNS3xxx booting:
"Since commit 0536bdf33f (ARM: move iotable mappings within the vmalloc
region), [...] the pre-defined iotable mappings is not in the vmalloc
region. [...] move the iotable mappings into the vmalloc region, and
merge the MPCore private memory region (containing the SCU, the GIC and
the TWD) as a single region."
Plus there is a small cosmetic fix, also from Mac Lin.
* tag 'v3.9-rc1_cns3xxx_fixes' of git://git.infradead.org/users/cbou/linux-cns3xxx:
ARM: cns3xxx: fix mapping of private memory region
[arnd: dropped the cosmetic fix from the merge as it is not needed for 3.9]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Commit 90173882ed ("omap: add dsp platform
device") used CONFIG_BRIDGE_DVFS were it obviously meant
CONFIG_TIDSPBRIDGE_DVFS. Fix that.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The Kconfig symbol MACH_OMAP_HTCWIZARD got added in v2.6.30. It has
never been used. Its entry can safely be removed.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
omap3_noncore_dpll_set_rate() attempts an enable of bypass clk as well
as ref clk for every .set_rate attempt on a noncore DPLL, regardless of
whether the .set_rate results in the DPLL being locked or put in bypass.
Early at boot, while some of these DPLLs are programmed and locked
(using .set_rate for the DPLL), this causes an ordering issue.
For instance, on OMAP5, the USB DPLL derives its bypass clk from ABE DPLL.
If a .set_rate of USB DPLL which programmes the M,N and locks it is called
before the one for ABE, the enable of USB bypass clk (derived from ABE DPLL)
then attempts to lock the ABE DPLL and fails as the M,N values for ABE
are yet to be programmed.
To get rid of this ordering needs, enable bypass clk for a DPLL as part
of its .set_rate only when its being put in bypass, and only enable the
ref clk when its locked.
Reported-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
_pwrdm_save_clkdm_state_and_activate() tried to test one of its
unsigned arguments to determine whether it was less than zero. Fix by
moving the error test to the caller.
Reported-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
_HWMOD_WAKEUP_ENABLED is currently unused across the hwmod
framework. Just get rid of it, so we have one less flag to
worry about.
Tested-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
WDT1 module can take one of the below clocks as input functional
clock -
- On-Chip 32K RC Osc [default/reset]
- 32K from PRCM
The On-Chip 32K RC Osc clock is not an accurate clock-source as per
the design/spec, so as a result, for example, timer which supposed
to get expired @60Sec, but will expire somewhere ~@40Sec, which is
not expected by any use-case.
The solution here is to switch the input clock-source to PRCM
generated 32K clock-source during boot-time itself.
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Benoit Cousson <benoit.cousson@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
This patch adds sysc definitions to the wdt1 hwmod entry, which in-turn
makes sure that sysc idle bit-fields are configured to valid state on
enable/disable callbacks.
With the recent submitted patch from Santosh Shilimkar,
"ARM: OMAP2+: hwmod: Don't call _init_mpu_rt_base if no sysc"
(commit: 4a98c2d89), it is required to add sysconf
information to each valid hwmod entry, else device will not be
come out from idle state properly and leads to below kernel
crash -
[2.190237] Unhandled fault: external abort on non-linefetch (0x1028) at
0xf9e35034
[2.198325] Internal error: : 1028 [#1] SMP ARM
[2.203101] Modules linked in:
[2.206334] CPU: 0 Not tainted (3.9.0-rc3-00059-gd114294#1)
[2.212679] PC is at omap_wdt_disable.clone.5+0xc/0x60
[2.218090] LR is at omap_wdt_probe+0x184/0x1fc
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Benoit Cousson <benoit.cousson@linaro.org>
Cc: Paul Walmsley <paul@pwsan.com>
Since commit 0536bdf33f (ARM: move iotable mappings within the vmalloc
region), the Cavium CNS3xxx cannot boot anymore.
This is caused by the pre-defined iotable mappings is not in the vmalloc
region. This patch move the iotable mappings into the vmalloc region, and
merge the MPCore private memory region (containing the SCU, the GIC and
the TWD) as a single region.
Signed-off-by: Mac Lin <mkl0301@gmail.com>
Signed-off-by: Anton Vorontsov <anton@enomsg.org>
Cc: stable@vger.kernel.org [v3.3+]
- mvebu
- interrupt fix
- DT pinctrl definition for sdio
- kirkwood
- chip-delay for GoFlex Net (fix reading nand)
- set mvsdio unused pins to invalid value for legacy boards (0 is valid)
- orion5x
- fix typo in gpio parameters
- use correct irq in dtsi
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Merge tag 'mvebu_fixes_for_v3.9_round2' of git://git.infradead.org/users/jcooper/linux into fixes
From Jason Cooper <jason@lakedaemon.net>:
mvebu fixes for v3.9 (round 2)
- mvebu
- interrupt fix
- DT pinctrl definition for sdio
- kirkwood
- chip-delay for GoFlex Net (fix reading nand)
- set mvsdio unused pins to invalid value for legacy boards (0 is valid)
- orion5x
- fix typo in gpio parameters
- use correct irq in dtsi
* tag 'mvebu_fixes_for_v3.9_round2' of git://git.infradead.org/users/jcooper/linux:
arm: mvebu: Fix pinctrl for Armada 370 Mirabox SDIO port.
arm: orion5x: correct IRQ used in dtsi for mv_cesa
arm: orion5x: fix orion5x.dtsi gpio parameters
ARM: Kirkwood: fix unused mvsdio gpio pins
arm: mvebu: Use local interrupt only for the timer 0
ARM: kirkwood: Fix chip-delay for GoFlex Net
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The previous configuration used the wrong "clk" pin. Without this
change mv_sdio worked because the bootloader would set the pin up, but
with a bootloader that does not set the pin, mv_sdio fails to detect any
card.
I have tested this change using a mwifiex_sdio wireless network adapter
over the SDIO interface.
Signed-off-by: Ryan Press <ryan@presslab.us>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The crypto functionality in the orion5x dtsi uses the Ethernet IRQ and
so things do not work and there is much grumbling at boot time.
The IRQ for the crypto should be 28, and not 22, and that is what this
patch corrects.
Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
orion5x.dtsi is missing the gpio alias as well as including a typo
('ngpio' instead of 'ngpios') that prevented the orion-gpio driver
from loading. Also missing were the interrupt-controller properties.
This patches resolves those glitches.
Signed-off-by: Alexander Clouter <alex@digriz.org.uk>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
mvsdio_platform_data allows to pass card detect and write protect gpio
numbers to the driver. Some kirkwood boards don't use both pins as they
are not connected, and don't set the corresponding value in platform_data.
This will leave the unset values in platform_data initialized as 0, which
is in fact a valid gpio pin. mvsdio will grab that pin and configure it as
gpio, which in turn breaks nand controller as mpp0 also carries nand_io2.
This patch fixes the above by initializing unused gpio functions in the
platform_data with an invalid (-1) value.
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Reported-by: Soeren Moch <smoch@web.de>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
The commit 3a6f08a37 "arm: mvebu: Add support for local interrupt",
managed the 28th first interrupts as local interrupt to match the
hardware specification. Among these interrupts there are the Gigabits
Ethernet ones used by the mvneta driver. Unfortunately the state of
the percpu_irq API prevents the driver to use it.
Indeed the interrupts have to be freed when the .stop() function is
called. As the free_percpu_irq() function don't disable the interrupt
line, we have to do it on each CPU before calling this. The function
disable_percpu_irq() only disable the percpu on the current CPU and
there is no function which allows to disable a percpu irq on a given
CPU. Waiting for the extension of the percpu_irq API, this fix allows
to use again the mvneta driver.
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This fixes "Too few good blocks within range" issues on GoFlex Net by setting
chip-delay to 40.
The basic problem was discussed at http://forum.doozan.com/read.php?2,7451
Signed-off-by: Eric Hutter <hutter.eric@gmail.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Cc: <stable@vger.kernel.org> # v3.6.x
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
From Ryan Mallon <rmallon@gmail.com>:
It is a regression fix for some ep93xx boards which are failing to boot
on current mainline. The patch has been tested in next over the last
few days.
* tag 'ep93xx-fixes-for-3.9-rc5' of git://github.com/RyanMallon/linux-ep93xx:
ARM: ep93xx: Fix wait for UART FIFO to be empty
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Running suspend/resume without no_console_suspend setting on kernel
cmdline will likely makes system hang. It causesd by the sync issue
between imx_cpu_die() and imx_cpu_kill() call. Fix the issue by
synchronizing the calls using cpu jumping argument register which is
free to use in kernel.
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Merge tag 'imx-fixes-3.9-4' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo <shawn.guo@linaro.org>:
The imx fixes for 3.9, take 4:
Running suspend/resume without no_console_suspend setting on kernel
cmdline will likely makes system hang. It causesd by the sync issue
between imx_cpu_die() and imx_cpu_kill() call. Fix the issue by
synchronizing the calls using cpu jumping argument register which is
free to use in kernel.
* tag 'imx-fixes-3.9-4' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: imx: fix sync issue between imx_cpu_die and imx_cpu_kill
ARM: imx: add dependency check for DEBUG_IMX_UART_PORT
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Get TCPM and TCDM locations from the device tree
- Skip passing the ios_handler for the MMCI
- Enable the ethernet clock for Snowball
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Merge tag 'ux500-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into fixes
From Linus Walleij <linus.walleij@stericsson.com>:
Fixes boot regressions on Device Tree:
- Get TCPM and TCDM locations from the device tree
- Skip passing the ios_handler for the MMCI
- Enable the ethernet clock for Snowball
* tag 'ux500-fixes-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: Enable the clock controlling Ethernet on Snowball
ARM: ux500: Stop passing ios_handler() as an MMCI power controlling call-back
ARM: ux500: Apply the TCPM and TCDM locations and sizes to dbx5x0 DT
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This fixes a regression introduced by common clk enablement.
On some u8500 based boards, the FMSC clock which is usually used
for flash, is wired up to the SMSC911x Ethernet driver. However,
the SMSC911x doesn't have common clk support yet, rendering it
unusable. Prior to the introduction of common clk the FMSC clock
was default on; however, common clk disables all clocks by default
and insists drivers take responsibility to enable theirs.
This fix enables the FMSC clock on Snowball, subsequently turning
on the SMSC911x Ethernet chip. It will be removed when the driver
is compatible with common clk.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This fixes a regression introduced during the v3.9 merge window.
Now MMCI on/off functionality is using the regulator framework
from the MMCI driver, if we provide the ios_handler call-back we
essentially duplicate functionality, which causes a large mess
and lots of booting issues.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This fixes a regression introduced by commit:
05ec260 mfd:db8500-prcmu: update resource passing
All DBx5x0 based SoCs have access to two Tightly Coupled Memory
(TCM) locations based on the PRCMU itself. One area from program
memory (TCPM) and one for data memory (TCDM). The PRCMU needs to
know where these are in order to function correctly. However,
these are currently passed though platform device resources, which
can only be obtained if Device Tree booting isn't in use. Thus we
must also support them in DT by supplying them through the PRCMU
node.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
conversion, and few USB regression fixes.
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Merge tag 'omap-for-v3.9-rc3/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
From Tony Lindgren <tony@atomide.com>:
A clock regression fix that happened with the common clock
conversion, and few USB regression fixes.
* tag 'omap-for-v3.9-rc3/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: clocks: Delay clk inits atleast until slab is initialized
ARM: OMAP4: PM: fix PM regression introduced by recent clock cleanup
ARM: OMAP3: hwmod data: keep MIDLEMODE in force-standby for musb
ARM: OMAP4: clock data: lock USB DPLL on boot
ARM: OMAP1: fix USB host on 1710
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
clk inits on OMAP happen quite early, even before slab is available.
The dependency comes from the fact that the timer init code starts to
use clocks and hwmod and we need clocks to be initialized by then.
There are various problems doing clk inits this early, one is,
not being able to do dynamic clk registrations and hence the
dependency on clk-private.h. The other is, inability to debug
early kernel crashes without enabling DEBUG_LL and earlyprintk.
Doing early clk init also exposed another instance of a kernel
panic due to a BUG() when CONFIG_DEBUG_SLAB is enabled.
[ 0.000000] Kernel BUG at c01174f8 [verbose debug info unavailable]
[ 0.000000] Internal error: Oops - BUG: 0 [#1] SMP ARM
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 Not tainted (3.9.0-rc1-12179-g72d48f9 #6)
[ 0.000000] PC is at __kmalloc+0x1d4/0x248
[ 0.000000] LR is at __clk_init+0x2e0/0x364
[ 0.000000] pc : [<c01174f8>] lr : [<c0441f54>] psr: 600001d3
[ 0.000000] sp : c076ff28 ip : c065cefc fp : c0441f54
[ 0.000000] r10: 0000001c r9 : 000080d0 r8 : c076ffd4
[ 0.000000] r7 : c074b578 r6 : c0794d88 r5 : 00000040 r4 : 00000000
[ 0.000000] r3 : 00000000 r2 : c07cac70 r1 : 000080d0 r0 : 0000001c
[ 0.000000] Flags: nZCv IRQs off FIQs off Mode SVC_32 ISA ARM Segment kernel
[ 0.000000] Control: 10c53c7d Table: 8000404a DAC: 00000017
[ 0.000000] Process swapper (pid: 0, stack limit = 0xc076e240)
[ 0.000000] Stack: (0xc076ff28 to 0xc0770000)
[ 0.000000] ff20: 22222222 c0794ec8 c06546e8 00000000 00000040 c0794d88
[ 0.000000] ff40: c074b578 c076ffd4 c07951c8 c076e000 00000000 c0441f54 c074b578 c076ffd4
[ 0.000000] ff60: c0793828 00000040 c0794d88 c074b578 c076ffd4 c0776900 c076e000 c07272ac
[ 0.000000] ff80: 2f800000 c074c968 c07f93d0 c0719780 c076ffa0 c076ff98 00000000 00000000
[ 0.000000] ffa0: 00000000 00000000 00000000 00000001 c074cd6c c077b1ec 8000406a c0715724
[ 0.000000] ffc0: 00000000 00000000 00000000 00000000 00000000 c074c968 10c53c7d c0776974
[ 0.000000] ffe0: c074cd6c c077b1ec 8000406a 411fc092 00000000 80008074 00000000 00000000
[ 0.000000] [<c01174f8>] (__kmalloc+0x1d4/0x248) from [<c0441f54>] (__clk_init+0x2e0/0x364)
[ 0.000000] [<c0441f54>] (__clk_init+0x2e0/0x364) from [<c07272ac>] (omap4xxx_clk_init+0xbc/0x140)
[ 0.000000] [<c07272ac>] (omap4xxx_clk_init+0xbc/0x140) from [<c0719780>] (setup_arch+0x15c/0x284)
[ 0.000000] [<c0719780>] (setup_arch+0x15c/0x284) from [<c0715724>] (start_kernel+0x7c/0x334)
[ 0.000000] [<c0715724>] (start_kernel+0x7c/0x334) from [<80008074>] (0x80008074)
[ 0.000000] Code: e5883004 e1a00006 e28dd00c e8bd8ff0 (e7f001f2)
[ 0.000000] ---[ end trace 1b75b31a2719ed1c ]---
[ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task!
It was a know issue, that slab allocations would fail when common
clock core tries to cache parent pointers for mux clocks on OMAP,
and hence a patch 'clk: Allow late cache allocation for clk->parents,
commit 7975059d' was added to work this problem around.
A BUG() within kmalloc() with CONFIG_DEBUG_SLAB enabled was completely
overlooked causing this regression.
More details on the issue reported can be found here,
http://www.mail-archive.com/linux-omap@vger.kernel.org/msg85932.html
With all these issues around clk inits happening way too early, it
makes sense to at least move them to a point where dynamic memory
allocations are possible. So move them to a point just before the
timer code starts using clocks and hwmod.
This should at least pave way for clk inits on OMAP moving to dynamic
clock registrations instead of using the static macros defined in
clk-private.h.
The issue with kernel panic while CONFIG_DEBUG_SLAB is enabled
was reported by Piotr Haber and Tony Lindgren and this patch
fixes the reported issue as well.
Reported-by: Piotr Haber <phaber@broadcom.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Reviewed-by: Mike Turquette <mturquette@linaro.org>
Acked-by: Paul Walmsley <paul@pwsan.com>
Cc: stable@vger.kernel.org # v3.8
Signed-off-by: Tony Lindgren <tony@atomide.com>
There is a sync issue with hotplug operation. It's possible that when
imx_cpu_kill gets running on primary core, the imx_cpu_die execution
on the core which is to be killed hasn't been finished yet. The problem
will very likely be hit when running suspend without no_console_suspend
setting on kernel cmdline.
It uses cpu jumping argument register to sync imx_cpu_die and
imx_cpu_kill. The register will be set in imx_cpu_die and imx_cpu_kill
will wait for the register being cleared to actually kill the cpu.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: <stable@vger.kernel.org>
that cause system hangs.
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Merge tag 'msm-fix-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into fixes
From David Brown <davidb@codeaurora.org>:
This fix is intended for v3.9. It fixes a timer bug on MSM targets
that cause system hangs.
* tag 'msm-fix-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
ARM: msm: Stop counting before reprogramming clockevent
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Four patches for arm-soc this week:
- Kevin Hilman is no longer reachable under his previous email address.
He submitted the patch earlier, but nobody felt responsible to pick
it up.
- One Tegra fix for an incorect register address in device tree.
- IMX multiplatform support exposes a configuration option that
leads to unbootable kernels on all other machines and that needs
to depend on that platform.
- A nontrivial bug fix for the setup of the mxs video output.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC bug fixes from Arnd Bergmann:
"Four patches for arm-soc this week:
- Kevin Hilman is no longer reachable under his previous email
address. He submitted the patch earlier, but nobody felt
responsible to pick it up.
- One Tegra fix for an incorect register address in device tree.
- IMX multiplatform support exposes a configuration option that leads
to unbootable kernels on all other machines and that needs to
depend on that platform.
- A nontrivial bug fix for the setup of the mxs video output."
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: update email address for Kevin Hilman
ARM: tegra: fix register address of slink controller
ARM: imx: add dependency check for DEBUG_IMX_UART_PORT
ARM: video: mxs: Fix mxsfb misconfiguring VDCTRL0
Fix typo on register address of slink3 controller where register
address is wrongly set as 0x7000d480 but it is 0x7000d800.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
If the clockevent is forcibly reprogrammed to have a different
match value we mistakenly assume the timer is not ticking and
program a new match value while the timer is running. Although we
clear the timer before programming a new match, it's better to
stop the timer before clearing it so that we're sure the proper
amount of ticks are counted. Failure to do so can lead to missed
ticks and system hangs.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
CPU debug features like hardware break, watchpoints can be used only
when the debug mode is enabled and available. Unfortunately on OMAP4
based devices, after a CPU power cycle, the debug feature gets disabled
which leads to a flood of messages coming from reset_ctrl_regs() which
gets called on every CPU_PM_EXIT with CPUidle enabled.
So make use of warn_once() so that system is usable.
Thanks to Will for pointers and Lokesh for the analysis of the issue.
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Some early versions of the Krait CPU design incorrectly indicate
that they only support the UDIV and SDIV instructions in Thumb
mode when they actually support them in ARM and Thumb mode. It
seems that these CPUs follow the DDI0406B ARM ARM which has two
possible values for the divide instructions field, instead of the
DDI0406C document which has three possible values.
Work around this problem by checking the MIDR against Krait CPUs
with this faulty ISAR0 register and force the hwcaps to indicate
support in both modes.
[sboyd: Rewrote commit text to reflect real reasoning now that
we autodetect udiv/sdiv]
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The ISAR0 register indicates support for the SDIV and UDIV
instructions in both the Thumb and ARM instruction set. Read the
register to detect the supported instructions and update the
elf_hwcap mask as appropriate. This is better than adding more
and more cpuid checks in proc-v7.S for each new cpu variant that
supports these instructions.
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Don't advertise support for the SDIV/UDIV thumb instructions if
the kernel is not compiled with support for thumb userspace. This
is in line with how we remove the THUMB hwcap in these
configurations.
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
With LPAE enabled, alloc_init_section() does not map the entire
address space for unaligned addresses.
The issue also reproduced with CMA + LPAE. CMA tries to map 16MB
with page granularity mappings during boot. alloc_init_pte()
is called and out of 16MB, only 2MB gets mapped and rest remains
unaccessible.
Because of this OMAP5 boot is broken with CMA + LPAE enabled.
Fix the issue by ensuring that the entire addresses are
mapped.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoffer Dall <chris@cloudcar.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Laura Abbott <lauraa@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Christoffer Dall <chris@cloudcar.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
- Add the lost dependency check for DEBUG_IMX_UART_PORT back
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Merge tag 'imx-fixes-3.9-3' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes
From Shawn Guo <shawn.guo@linaro.org>:
The imx fixes for 3.9, take 3:
- Add the lost dependency check for DEBUG_IMX_UART_PORT back
* tag 'imx-fixes-3.9-3' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: imx: add dependency check for DEBUG_IMX_UART_PORT
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
There's a (rather subtle) typo in "CONFIG_SMC91x_MODULE". Fix it once
and for all by using IS_ENABLED(), which is designed to avoid issues
like this.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
