First cycle with Boris as NAND maintainer! Many (most) bullets stolen from him.
Generic:
* Migrated NAND LED trigger to be a generic MTD trigger
NAND:
* Introduction of the "ECC algorithm" concept, to avoid overloading the ECC
mode field too much more
* Replaced the nand_ecclayout infrastructure with something a little more
flexible (finally!) and future proof
* Rework of the OMAP GPMC and NAND drivers; the TI folks pulled some of
this into their own tree as well
* Prepare the sunxi NAND driver to receive DMA support
* Handle bitflips in erased pages on GPMI revisions that do not support
this in hardware.
SPI NOR:
* Start using the spi_flash_read() API for SPI drivers that support it (i.e.,
SPI drivers with special memory-mapped flash modes)
And other small scattered improvments.
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Merge tag 'for-linus-20160523' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris:
"First cycle with Boris as NAND maintainer! Many (most) bullets stolen
from him.
Generic:
- Migrated NAND LED trigger to be a generic MTD trigger
NAND:
- Introduction of the "ECC algorithm" concept, to avoid overloading
the ECC mode field too much more
- Replaced the nand_ecclayout infrastructure with something a little
more flexible (finally!) and future proof
- Rework of the OMAP GPMC and NAND drivers; the TI folks pulled some
of this into their own tree as well
- Prepare the sunxi NAND driver to receive DMA support
- Handle bitflips in erased pages on GPMI revisions that do not
support this in hardware.
SPI NOR:
- Start using the spi_flash_read() API for SPI drivers that support
it (i.e., SPI drivers with special memory-mapped flash modes)
And other small scattered improvments"
* tag 'for-linus-20160523' of git://git.infradead.org/linux-mtd: (155 commits)
mtd: spi-nor: support GigaDevice gd25lq64c
mtd: nand_bch: fix spelling of "probably"
mtd: brcmnand: respect ECC algorithm set by NAND subsystem
gpmi-nand: Handle ECC Errors in erased pages
Documentation: devicetree: deprecate "soft_bch" nand-ecc-mode value
mtd: nand: add support for "nand-ecc-algo" DT property
mtd: mtd: drop NAND_ECC_SOFT_BCH enum value
mtd: drop support for NAND_ECC_SOFT_BCH as "soft_bch" mapping
mtd: nand: read ECC algorithm from the new field
mtd: nand: fsmc: validate ECC setup by checking algorithm directly
mtd: nand: set ECC algorithm to Hamming on fallback
staging: mt29f_spinand: set ECC algorithm explicitly
CRIS v32: nand: set ECC algorithm explicitly
mtd: nand: atmel: set ECC algorithm explicitly
mtd: nand: davinci: set ECC algorithm explicitly
mtd: nand: bf5xx: set ECC algorithm explicitly
mtd: nand: omap2: Fix high memory dma prefetch transfer
mtd: nand: omap2: Start dma request before enabling prefetch
mtd: nandsim: add __init attribute
mtd: nand: move of_get_nand_xxx() helpers into nand_base.c
...
We get support for three new 32-bit SoC platforms this time. The amount
of changes in arch/arm for any of them is miniscule, as all the
interesting code is in device driver subsystems (irqchip, clk, pinctrl,
...) these days. I'm listing them here, as the addition of the Kconfig
statement is the main relevant milestone for a new platform. In each
case, some drivers are are shared with existing platforms, while
other drivers are added for v4.7 as well, or come in a later release.
- The Aspeed platform is probably the most interesting one, this is
what most whitebox servers use as their baseboard management
controller. We get support for the very common ast2400 and ast2500
SoCs. The OpenBMC project focuses on this chip, and the LWN
article about their ELC 2016 presentation at
https://lwn.net/Articles/683320/ triggered the submission, but the
code comes from IBM's OpenPOWER team rather than the team at
Facebook. There are still a lot more drivers that need to get added
over time, and I hope both teams can work together on that.
- OXNAS is an old platform for Network Attached Storage devices
from Oxford Semiconductor. There are models with ARM10 (!) and
ARM11MPCore cores, but for now, we only support the original ARM9
based versions.
The product lineup was subsequently part of PLX, Avago and now the
new Broadcom Ltd. https://wiki.openwrt.org/doc/hardware/soc/soc.oxnas
has some more information.
- V2M-MPS2 is a prototyping platform from ARM for their Cortex-M
cores and is related to the existing Realview / Versatile Express
lineup, but without MMU. We now support various NOMMU platforms,
so adding a new one is fairly straightforward.
http://infocenter.arm.com/help/topic/com.arm.doc.100112_0100_03_en/
has detailed information about the platform.
Other noteworthy updates:
- Work on LPC32xx has resumed, and Vladimir Zapolskiy and Sylvain Lemieux
are now maintaining the platform. This is an older ARM9 based
platform from NXP (not Freescale), but it remains in use in embedded
markets.
- Kevin Hilman is now co-maintaining the Amlogic Meson platform for both
32-bit and 64-bit ARM, and started contributing some patches.
- As is often the case, work on the OMAP platforms makes up the bulk of
the actual SoC code changes in arch/arm, but there isn't a lot of
that either.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"We get support for three new 32-bit SoC platforms this time.
The amount of changes in arch/arm for any of them is miniscule, as all
the interesting code is in device driver subsystems (irqchip, clk,
pinctrl, ...) these days. I'm listing them here, as the addition of
the Kconfig statement is the main relevant milestone for a new
platform. In each case, some drivers are are shared with existing
platforms, while other drivers are added for v4.7 as well, or come in
a later release.
- The Aspeed platform is probably the most interesting one, this is
what most whitebox servers use as their baseboard management
controller. We get support for the very common ast2400 and ast2500
SoCs. The OpenBMC project focuses on this chip, and the LWN
article about their ELC 2016 presentation at
https://lwn.net/Articles/683320/
triggered the submission, but the code comes from IBM's OpenPOWER
team rather than the team at Facebook. There are still a lot more
drivers that need to get added over time, and I hope both teams can
work together on that.
- OXNAS is an old platform for Network Attached Storage devices from
Oxford Semiconductor. There are models with ARM10 (!) and
ARM11MPCore cores, but for now, we only support the original ARM9
based versions. The product lineup was subsequently part of PLX,
Avago and now the new Broadcom Ltd.
https://wiki.openwrt.org/doc/hardware/soc/soc.oxnas
has some more information.
- V2M-MPS2 is a prototyping platform from ARM for their Cortex-M
cores and is related to the existing Realview / Versatile Express
lineup, but without MMU.
We now support various NOMMU platforms, so adding a new one is
fairly straightforward.
http://infocenter.arm.com/help/topic/com.arm.doc.100112_0100_03_en/
has detailed information about the platform.
Other noteworthy updates:
- Work on LPC32xx has resumed, and Vladimir Zapolskiy and Sylvain
Lemieux are now maintaining the platform.
This is an older ARM9 based platform from NXP (not Freescale), but
it remains in use in embedded markets.
- Kevin Hilman is now co-maintaining the Amlogic Meson platform for
both 32-bit and 64-bit ARM, and started contributing some patches.
- As is often the case, work on the OMAP platforms makes up the bulk
of the actual SoC code changes in arch/arm, but there isn't a lot
of that either"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (42 commits)
MAINTAINERS: ARM/Amlogic: add co-maintainer, misc. updates
MAINTAINERS: add ARM/NXP LPC32XX SoC specific drivers to the section
MAINTAINERS: add new maintainers of NXP LPC32xx SoC
MAINTAINERS: move ARM/NXP LPC32xx record to ARM section
arm: Add Aspeed machine
ARM: lpc32xx: remove duplicate const on lpc32xx_auxdata_lookup
ARM: lpc32xx: remove leftovers of legacy clock source and provider drivers
ARM: lpc32xx: remove reboot header file
ARM: dove: Remove CLK_IS_ROOT
ARM: orion5x: Remove CLK_IS_ROOT
ARM: mv78xx0: Remove CLK_IS_ROOT
ARM: davinci: da850: use clk->set_parent for async3
ARM: davinci: Move clock init after ioremap.
MAINTAINERS: Update ARM Versatile Express platform entry
ARM: vexpress/mps2: introduce MPS2 platform
MAINTAINERS: add maintainer entry for ARM/OXNAS platform
ARM: Add new mach-oxnas
irqchip: versatile-fpga: add new compatible for OX810SE SoC
ARM: uniphier: correct the call order of of_node_put()
MAINTAINERS: fix stale TI DaVinci entries
...
Traditionally we've had two separate branches for cleanups and non-critical
bug fixes, but both of these got smaller with each release and the differences
are rather unclear now, so it seems more appropriate to have a combined
branch.
The most notably change is for OMAP, which gets a small rework to simplify
handling of the AUXDATA mechanism used on machines that are not completely
DT based yet, along with other work that is used as preparation for dropping
the legacy board files.
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Merge tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups and fixes from Arnd Bergmann:
"Traditionally we've had two separate branches for cleanups and
non-critical bug fixes, but both of these got smaller with each
release and the differences are rather unclear now, so it seems more
appropriate to have a combined branch.
The most notable change is for OMAP, which gets a small rework to
simplify handling of the AUXDATA mechanism used on machines that are
not completely DT based yet, along with other work that is used as
preparation for dropping the legacy board files"
* tag 'armsoc-cleanups-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: exynos: Add interrupt line to MAX8997 PMIC on exynos4210-trats
ARM: dts: exynos: Fix regulator name to avoid forbidden character on exynos4210-trats
ARM: dts: exynos: Add MFC memory banks for Peach boards
ARM: OMAP2+: n900 needs MMC slot names for legacy user space
ARM: OMAP2+: Add more functions to pwm pdata for ir-rx51
ARM: debug: remove extraneous DEBUG_HI3716_UART option
ARM: OMAP2+: Simplify auxdata by using the generic match
of/platform: Allow secondary compatible match in of_dev_lookup
ARM: davinci: use IRQCHIP_DECLARE for cp_intc
ARM: davinci: remove unused DA8XX_NUM_UARTS
ARM: davinci: simplify call to of populate
ARM: DaVinci USB: removed deprecated properties from MUSB config
ARM: rockchip: Fix use of plain integer as NULL pointer
ARM: realview: hide unused 'pmu_device' object
soc: versatile: dynamically detect RealView HBI numbers
* pm-cpufreq: (63 commits)
intel_pstate: Clean up get_target_pstate_use_performance()
intel_pstate: Use sample.core_avg_perf in get_avg_pstate()
intel_pstate: Clarify average performance computation
intel_pstate: Avoid unnecessary synchronize_sched() during initialization
cpufreq: schedutil: Make default depend on CONFIG_SMP
cpufreq: powernv: del_timer_sync when global and local pstate are equal
cpufreq: powernv: Move smp_call_function_any() out of irq safe block
intel_pstate: Clean up intel_pstate_get()
cpufreq: schedutil: Make it depend on CONFIG_SMP
cpufreq: governor: Fix handling of special cases in dbs_update()
cpufreq: intel_pstate: Ignore _PPC processing under HWP
cpufreq: arm_big_little: use generic OPP functions for {init, free}_opp_table
cpufreq: tango: Use generic platdev driver
cpufreq: Fix GOV_LIMITS handling for the userspace governor
cpufreq: mvebu: Move cpufreq code into drivers/cpufreq/
cpufreq: dt: Kill platform-data
mvebu: Use dev_pm_opp_set_sharing_cpus() to mark OPP tables as shared
cpufreq: dt: Identify cpu-sharing for platforms without operating-points-v2
cpufreq: governor: Change confusing struct field and variable names
cpufreq: intel_pstate: Enable PPC enforcement for servers
...
This patch explicitly enables the fixes for the below errata applicable
for AM43x Socs as was done for OMAP4.
754322: Faulty MMU translations following ASID switch
775420: A data cache maintenance operation which aborts,
followed by an ISB, without any DSB in-between,
might lead to deadlock
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add workaround for Cortex-A15 ARM erratum 801819 which says in summary
that "A livelock can occur in the L2 cache arbitration that might
prevent a snoop from completing. Under certain conditions this can
cause the system to deadlock. "
Recommended workaround is as follows:
Do both of the following:
1) Do not use the write-back no-allocate memory type.
2) Do not issue write-back cacheable stores at any time when the cache
is disabled (SCTLR.C=0) and the MMU is enabled (SCTLR.M=1). Because it
is implementation defined whether cacheable stores update the cache when
the cache is disabled it is not expected that any portable code will
execute cacheable stores when the cache is disabled.
For implementations of Cortex-A15 configured without the “L2 arbitration
register slice” option (typically one or two core systems), you must
also do the following:
3) Disable write-streaming in each CPU by setting ACTLR[28:25] = 0b1111
So, we provide an option to disable write streaming on OMAP5 and DRA7.
It is a rare condition to occur and may be enabled selectively based
on platform acceptance of risk.
Applies to: A15 revisions r2p0, r2p1, r2p2, r2p3 or r2p4 and REVIDR[3]
is set to 0.
Based on ARM errata Document revision 18.0 (22 Nov 2013)
Note: the configuration for the workaround needs to be done with
each CPU bringup, since CPU0 bringup is done by bootloader, it is
recommended to have the workaround in the bootloader, kernel also does
ensure that CPU0 has the workaround and makes the workaround active
when CPU1 gets active.
With CONFIG_SMP disabled, it is expected to be done by the bootloader.
This does show significant degradation in synthetic tests such as
mbw (https://packages.qa.debian.org/m/mbw.html)
mbw -n 100 100|grep AVG (on a test platform)
Without enabling the erratum:
AVG Method: MEMCPY Elapsed: 0.13406 MiB: 100.00000 Copy: 745.913 MiB/s
AVG Method: DUMB Elapsed: 0.06746 MiB: 100.00000 Copy: 1482.357 MiB/s
AVG Method: MCBLOCK Elapsed: 0.03058 MiB: 100.00000 Copy: 3270.569 MiB/s
After enabling the erratum:
AVG Method: MEMCPY Elapsed: 0.13757 MiB: 100.00000 Copy: 726.913 MiB/s
AVG Method: DUMB Elapsed: 0.12024 MiB: 100.00000 Copy: 831.668 MiB/s
AVG Method: MCBLOCK Elapsed: 0.09243 MiB: 100.00000 Copy: 1081.942 MiB/s
Most benchmarks are designed for specific performance analysis, so
overall usecase must be considered before making a decision to
enable/disable the erratum workaround.
Pending internal investigation, the erratum is kept disabled by default.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Tony Lindgren <tony@atomide.com>
Suggested-by: Richard Woodruff <r-woodruff2@ti.com>
Suggested-by: Brad Griffis <bgriffis@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
compatible string if no exact match based on the IO address is found.
This leaves out the need to patch auxdata for each driver when adding
new SoCs. And it also reprotedly fixes the issue of passing auxdata
to a child if the parent instantiates the child from DT as discussed
in the "[PATCH] of/platform: Allow secondary compatible match in
of_dev_lookup" mailing list thread.
As a minimal use case, let's also convert omap pinctrl auxdatato
use a generic match.
There is no need to get this in to the v4.6-rc cycle and it can wait
for v4.7 merge window. Note that these changes have now been sitting
in Linux next for about two weeks so far as I wanted to make sure no
new issues are popping up.
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Merge tag 'omap-for-v4.7/auxdata-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
Merge "non urgent auxdata fix for v4.7 merge window" from Tony Lindgren:
Device tree auxdata handling fix that allows a match based on the
compatible string if no exact match based on the IO address is found.
This leaves out the need to patch auxdata for each driver when adding
new SoCs. And it also reprotedly fixes the issue of passing auxdata
to a child if the parent instantiates the child from DT as discussed
in the "[PATCH] of/platform: Allow secondary compatible match in
of_dev_lookup" mailing list thread.
As a minimal use case, let's also convert omap pinctrl auxdatato
use a generic match.
There is no need to get this in to the v4.6-rc cycle and it can wait
for v4.7 merge window. Note that these changes have now been sitting
in Linux next for about two weeks so far as I wanted to make sure no
new issues are popping up.
* tag 'omap-for-v4.7/auxdata-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Simplify auxdata by using the generic match
of/platform: Allow secondary compatible match in of_dev_lookup
Testing on ARM encountered the following pair of lockdep-RCU splats:
------------------------------------------------------------------------
===============================
[ INFO: suspicious RCU usage. ]
4.6.0-rc4-next-20160422 #1 Not tainted
-------------------------------
include/trace/events/power.h:328 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
RCU used illegally from idle CPU!
rcu_scheduler_active = 1, debug_locks = 0
RCU used illegally from extended quiescent state!
no locks held by swapper/0/0.
stack backtrace:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.6.0-rc4-next-20160422 #1
Hardware name: Generic OMAP3-GP (Flattened Device Tree)
[<c010f55c>] (unwind_backtrace) from [<c010b64c>] (show_stack+0x10/0x14)
[<c010b64c>] (show_stack) from [<c047acbc>] (dump_stack+0xa8/0xe0)
[<c047acbc>] (dump_stack) from [<c012bc10>] (pwrdm_set_next_pwrst+0xf8/0x1cc)
[<c012bc10>] (pwrdm_set_next_pwrst) from [<c01269fc>] (omap3_enter_idle_bm+0x1b8/0x1e8)
[<c01269fc>] (omap3_enter_idle_bm) from [<c05fa0b8>] (cpuidle_enter_state+0x84/0x408)
[<c05fa0b8>] (cpuidle_enter_state) from [<c0182c1c>] (cpu_startup_entry+0x1c8/0x3f0)
[<c0182c1c>] (cpu_startup_entry) from [<c0b00c20>] (start_kernel+0x354/0x3cc)
------------------------------------------------------------------------
[<c010f55c>] (unwind_backtrace) from [<c010b64c>] (show_stack+0x10/0x14)
[<c010b64c>] (show_stack) from [<c047ac3c>] (dump_stack+0xa8/0xe0)
[<c047ac3c>] (dump_stack) from [<c012c340>] (_pwrdm_state_switch+0x188/0x32c)
[<c012c340>] (_pwrdm_state_switch) from [<c012c4f0>] (_pwrdm_post_transition_cb+0xc/0x14)
[<c012c4f0>] (_pwrdm_post_transition_cb) from [<c012ba74>] (pwrdm_for_each+0x30/0x5c)
[<c012ba74>] (pwrdm_for_each) from [<c012c72c>] (pwrdm_post_transition+0x24/0x30)
[<c012c72c>] (pwrdm_post_transition) from [<c012548c>] (omap_sram_idle+0xfc/0x240)
[<c012548c>] (omap_sram_idle) from [<c0126934>] (omap3_enter_idle_bm+0xf0/0x1e8)
[<c0126934>] (omap3_enter_idle_bm) from [<c05fa038>] (cpuidle_enter_state+0x84/0x408)
[<c05fa038>] (cpuidle_enter_state) from [<c0182b90>] (cpu_startup_entry+0x1c8/0x3f0)
[<c0182b90>] (cpu_startup_entry) from [<c0b00c20>] (start_kernel+0x354/0x3cc)
------------------------------------------------------------------------
These are caused by event tracing from the idle loop, and they were
exposed by commit 293e2421fe ("rcu: Remove superfluous versions of
rcu_read_lock_sched_held()"), which suppressed some false negatives.
The current commit therefore adds the _rcuidle suffix to make RCU aware
of this implicit use of RCU by event tracing, thus preventing both splats.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Tony Lindgren <tony@atomide.com>
Cc: Russell King <linux@arm.linux.org.uk>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Cc: <linux-omap@vger.kernel.org>
Cc: <linux-arm-kernel@lists.infradead.org>
Let's pass the slot names in pdata like the legacy code does.
Once we have a generic DT binding for the slot names we can
switch to that.
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Before we start removing omap3 legacy booting support, let's make n900
DT booting behave the same way for ir-rx51 as the legacy booting does.
For now, we need to pass pdata to the ir-rx51 driver. This means that
the n900 tree can move to using DT based booting without having to carry
all the legacy platform data with it when it gets dropped from the mainline
tree.
Note that the ir-rx51 driver is currently disabled because of the
dependency to !ARCH_MULTIPLATFORM. This will get sorted out later
with the help of drivers/pwm/pwm-omap-dmtimer.c. But first we need
to add chained IRQ support to dmtimer code to avoid introducing new
custom frameworks.
So let's just pass the necessary dmtimer functions to ir-rx51 so we
can get it working in the following patch.
Cc: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The cpufreq-dt-platdev driver supports creation of cpufreq-dt platform
device now, reuse that and remove similar code from platform code.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Clockdomain fix for dra7 timer interrupts
- Two fixes for GPMC EDMA binding, I missed the need for a merge with
GPMC changes and EDMA changes
- Fix beagle-x15 eSATA by dropping misconfigured extcon_usb1
- Fix occasional external aborts on 36xx with PM that we've been
chasing for past few months. It turned out to be duplicate restore
of INTC registers that can in some cases cause us to hit erratum 1.106.
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Merge tag 'omap-for-v4.6/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "omap fixes for v4.6-rc cycle" from Tony Lindgren:
Fixes for omaps for v4.6-rc cycle:
- Clockdomain fix for dra7 timer interrupts
- Two fixes for GPMC EDMA binding, I missed the need for a merge with
GPMC changes and EDMA changes
- Fix beagle-x15 eSATA by dropping misconfigured extcon_usb1
- Fix occasional external aborts on 36xx with PM that we've been
chasing for past few months. It turned out to be duplicate restore
of INTC registers that can in some cases cause us to hit erratum 1.106.
* tag 'omap-for-v4.6/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP3: Fix external abort on 36xx waking from off mode idle
ARM: dts: am57xx-beagle-x15: remove extcon_usb1
ARM: dts: am437x: Fix GPMC dma properties
ARM: dts: am33xx: Fix GPMC dma properties
ARM: DRA7: clockdomain: Implement timer workaround for errata i874
For the DRA7xx platform, add IP block data for the McASP, PWMSS,
and GPTimer12 IP blocks. Add lock and unlock functions for the
RTC IP blocks on the DRA7xx, AM33xx, and AM43xx devices. And add
a fix for the hwmod core for device driver unbind operations for
IP blocks with hardreset lines.
Basic build, boot, and PM test results are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.7/20160410132119/
Note that the testbed here does not have the DRA7xx board included yet.
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Merge tag 'for-v4.7/omap-hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.7/soc
ARM: OMAP2+: first set of hwmod changes for v4.7
For the DRA7xx platform, add IP block data for the McASP, PWMSS,
and GPTimer12 IP blocks. Add lock and unlock functions for the
RTC IP blocks on the DRA7xx, AM33xx, and AM43xx devices. And add
a fix for the hwmod core for device driver unbind operations for
IP blocks with hardreset lines.
Basic build, boot, and PM test results are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.7/20160410132119/
Note that the testbed here does not have the DRA7xx board included yet.
that broke when we added runtime based SoC revision detection earlier.
It seems suspend worked earlier as things were only partially initialized,
while now we initialize things properly for dra7.
Note that the "ARM: OMAP: Catch callers of revision information prior
to it being populated" had to be reverted as it caused bogus warnings
for other SoCs because omap initcalls bail out based on revision being
set to 0 for other SoCs. These initcalls will mostly just disappear
when we drop support for omap3 legacy booting.
Also included is a fix for dra7 sys_32k_ck clock source that is not
enabled on boot making system fall back to using emulated clock.
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Merge tag 'omap-for-v4.6/fixes-rc2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "omap fixes against v4.6-rc2" from Tony Lindgren
Fixes for omaps against v4.6-rc2, mostly to fix suspend for beagle-x15
that broke when we added runtime based SoC revision detection earlier.
It seems suspend worked earlier as things were only partially initialized,
while now we initialize things properly for dra7.
Note that the "ARM: OMAP: Catch callers of revision information prior
to it being populated" had to be reverted as it caused bogus warnings
for other SoCs because omap initcalls bail out based on revision being
set to 0 for other SoCs. These initcalls will mostly just disappear
when we drop support for omap3 legacy booting.
Also included is a fix for dra7 sys_32k_ck clock source that is not
enabled on boot making system fall back to using emulated clock.
* tag 'omap-for-v4.6/fixes-rc2-v2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (198 commits)
Revert "ARM: OMAP: Catch callers of revision information prior to it being populated"
ARM: OMAP: Catch callers of revision information prior to it being populated
ARM: dts: dra7: Correct clock tree for sys_32k_ck
ARM: OMAP: DRA7: Provide proper class to omap2_set_globals_tap
ARM: OMAP: DRA7: wakeupgen: Skip SAR save for wakeupgen
Linux 4.6-rc2
v4l2-mc: avoid warning about unused variable
Convert straggling drivers to new six-argument get_user_pages()
.mailmap: add Christophe Ricard
Make CONFIG_FHANDLE default y
mm/page_isolation.c: fix the function comments
oom, oom_reaper: do not enqueue task if it is on the oom_reaper_list head
mm/page_isolation: fix tracepoint to mirror check function behavior
mm/rmap: batched invalidations should use existing api
x86/mm: TLB_REMOTE_SEND_IPI should count pages
mm: fix invalid node in alloc_migrate_target()
include/linux/huge_mm.h: return NULL instead of false for pmd_trans_huge_lock()
mm, kasan: fix compilation for CONFIG_SLAB
MAINTAINERS: orangefs mailing list is subscribers-only
net: mvneta: fix changing MTU when using per-cpu processing
...
Move NAND specific device tree parsing to NAND driver.
The NAND controller node must have a compatible id, register space
resource and interrupt resource.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Deprecate nand register passing via platform data and use
gpmc_omap_get_nand_ops() instead.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Depending on timing during the resume path from off mode on 36xx, we may
see external aborts. These seem to be caused by the following:
- OMAP3 Advisory 1.62 "MPU Cannot Exit from Standby" says we need to
disable intc autoidle before WFI
- DM3730 Advisory 1.106 "MPU Leaves MSTANDBY State Before IDLEREQ of
Interrupt Controller is Released" says we need to wait before
accessing intc
omap3_intc_resume_idle restores the intc autoidle for all resume paths,
however in the resume path from off mode only it is also being restored
by omap_intc_restore_context before this call to omap3_intc_resume_idle
happens. The second restore of the intc autoidle in this path is what
appears to be causing the external abort so for the off mode resume path
let's rely on omap_intc_restore_context to restore intc autoidle, and
for all other paths let omap3_intc_resume_idle handle it as it is now.
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
FROZEN hotplug notifiers are not handled and do not have to be. Insert
a comment to remember that the lack of the FROZEN transitions is no
accident.
Cc: Tony Lindgren <tony@atomide.com>
Cc: Santosh Shilimkar <ssantosh@kernel.org>
Cc: linux-omap@vger.kernel.org
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Open Switch Retention(OSWR) is a retention state which is unsupported
in DRA7 SoC. This state is achieved when power state is set to
retention and logic power state is set to OFF.
Even though DRA7 architecture is a OMAP derivative, none of the
powerdomains are actually implemented to achieve OSWR in the SoC.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When the power domain is in "ON" state, the memories should be always
in "ON", even though the hardware register allows other states to be
written, wrong states may confuse certain hardware blocks.
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Erratum i892 as will be documented in the upcoming G or later revision
of DRA7xx/ AM57xx errata documentation (SPRZ398F) states that L3 clock
needs to be kept active all the time to ensure that asymmetric aging
degradation is minimal and within the design allowed margin.
By allowing core domain to transition to INA and allowing L3 clock to be
turned off for extended periods of time, there is a risk of functional
issues and device failure as a result.
Ref: http://www.ti.com/lit/er/sprz429h/sprz429h.pdf
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The directory arch/arm/mach-omap2 is only selected for compilation if
CONFIG_ARCH_OMAP2PLUS is selected. CONFIG_ARCH_OMAP2PLUS itself is a
silent option and all machines selecting this option are multiplatform
devices. As a consequence checks for CONFIG_ARCH_MULTIPLATFORM as well
as CONFIG_ARCH_OMAP2PLUS within that directory are superfluous and can
be removed.
Signed-off-by: Jonas Rabenstein <jonas.rabenstein@studium.uni-erlangen.de>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
For DRA7xx platforms, add a workaround for missed timer interrupts
that appears to be due to an integration bug (erratum i874)
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-fixes-b-for-v4.6-rc/20160413020850/
(The DRA7xx board here has not yet been added into the testbed.)
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Merge tag 'for-v4.6-rc/omap-fixes-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.6/fixes
ARM: OMAP2+: clockdomain: another fix for v4.6-rc
For DRA7xx platforms, add a workaround for missed timer interrupts
that appears to be due to an integration bug (erratum i874)
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-fixes-b-for-v4.6-rc/20160413020850/
(The DRA7xx board here has not yet been added into the testbed.)
The omap_hwmod _enable() function can return success without setting
the hwmod state to _HWMOD_STATE_ENABLED for IPs with reset lines when
all of the reset lines are asserted. The omap_hwmod _idle() function
also performs a similar check, but after checking for the hwmod state
first. This triggers the WARN when pm_runtime_get and pm_runtime_put
are invoked on IPs with all reset lines asserted. Reverse the checks
for hwmod state and reset lines status to fix this.
Issue found during a unbind operation on a device with reset lines
still asserted, example backtrace below
------------[ cut here ]------------
WARNING: CPU: 1 PID: 879 at arch/arm/mach-omap2/omap_hwmod.c:2207 _idle+0x1e4/0x240()
omap_hwmod: mmu_dsp: idle state can only be entered from enabled state
Modules linked in:
CPU: 1 PID: 879 Comm: sh Not tainted 4.4.0-00008-ga989d951331a #3
Hardware name: Generic OMAP5 (Flattened Device Tree)
[<c0018e60>] (unwind_backtrace) from [<c0014dc4>] (show_stack+0x10/0x14)
[<c0014dc4>] (show_stack) from [<c037ac28>] (dump_stack+0x90/0xc0)
[<c037ac28>] (dump_stack) from [<c003f420>] (warn_slowpath_common+0x78/0xb4)
[<c003f420>] (warn_slowpath_common) from [<c003f48c>] (warn_slowpath_fmt+0x30/0x40)
[<c003f48c>] (warn_slowpath_fmt) from [<c0028c20>] (_idle+0x1e4/0x240)
[<c0028c20>] (_idle) from [<c0029080>] (omap_hwmod_idle+0x28/0x48)
[<c0029080>] (omap_hwmod_idle) from [<c002a5a4>] (omap_device_idle+0x3c/0x90)
[<c002a5a4>] (omap_device_idle) from [<c0427a90>] (__rpm_callback+0x2c/0x60)
[<c0427a90>] (__rpm_callback) from [<c0427ae4>] (rpm_callback+0x20/0x80)
[<c0427ae4>] (rpm_callback) from [<c0427f84>] (rpm_suspend+0x138/0x74c)
[<c0427f84>] (rpm_suspend) from [<c0428b78>] (__pm_runtime_idle+0x78/0xa8)
[<c0428b78>] (__pm_runtime_idle) from [<c041f514>] (__device_release_driver+0x64/0x100)
[<c041f514>] (__device_release_driver) from [<c041f5d0>] (device_release_driver+0x20/0x2c)
[<c041f5d0>] (device_release_driver) from [<c041d85c>] (unbind_store+0x78/0xf8)
[<c041d85c>] (unbind_store) from [<c0206df8>] (kernfs_fop_write+0xc0/0x1c4)
[<c0206df8>] (kernfs_fop_write) from [<c018a120>] (__vfs_write+0x20/0xdc)
[<c018a120>] (__vfs_write) from [<c018a9cc>] (vfs_write+0x90/0x164)
[<c018a9cc>] (vfs_write) from [<c018b1f0>] (SyS_write+0x44/0x9c)
[<c018b1f0>] (SyS_write) from [<c0010420>] (ret_fast_syscall+0x0/0x1c)
---[ end trace a4182013c75a9f50 ]---
While at this, fix the sequence in _shutdown() as well, though there
is no easy reproducible scenario.
Fixes: 747834ab83 ("ARM: OMAP2+: hwmod: revise hardreset behavior")
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add the hwmod data for GPTimer 12. GPTimer 12 is present in
WKUPAON power domain and is clocked from a secure 32K clock.
GPTimer 12 serves as a secure timer on HS devices, but is
available for kernel on regular GP devices.
The hwmod link is registered only on GP devices. The hwmod data
also reused the existing timer class instead of reintroducing
the identical dra7xx_timer_secure_sysc class which was dropped
in commit edec178633 ("ARM: DRA7: hwmod: Fix the hwmod class
for GPTimer4").
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Hook omap_hwmod_rtc_unlock/lock functions into RTC hwmod,
so that SYSCONFIG register is updated properly.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Hook omap_hwmod_rtc_unlock/lock functions into RTC hwmod,
so that SYSCONFIG register is updated properly
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
RTC IP have kicker feature which prevents spurious writes to its registers.
In order to write into any of the RTC registers, KICK values has to be
written to KICK registers. Also, RTC busy flag needs to be polled for
non-TC registers as well, without which update is not proper and confirmed
it by testing on DRA7-evm.
Introduce omap_hwmod_rtc_unlock/lock functions, which writes into these
KICK registers inorder to lock and unlock RTC registers.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[paul@pwsan.com: fixed subject line]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add hwmod entries for the PWMSS on DRA7.
Set l4_root_clk_div as the main_clk of PWMSS. It is fixed-factored clock
equal to L4PER2_L3_GICLK/2(l3_iclk_div/2).
Signed-off-by: Vignesh R <vigneshr@ti.com>
[fcooper@ti.com: Do not add eQEP, ePWM and eCAP hwmod entries]
Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
[paul@pwsan.com: fixed sparse warnings; added missing comments]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Add missing data for all McASP ports for the dra7 family
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Errata Title:
i874: TIMER5/6/7/8 interrupts not propagated
Description:
When TIMER5, TIMER6, TIMER7, or TIMER8 clocks are enabled
(CM_IPU_TIMER5/6/7/8_CLKCTRL[0:1]MODULEMODE=0x2:ENABLE) and the CD-IPU
is in HW_AUTO mode (CM_IPU_CLKSTCTRL[0:1]CLKTRCTRL=0x3:HW_AUTO) the
corresponding TIMER will continue counting, but enabled interrupts
will not be propagated to the destinations (MPU, DSP, etc) in the
SoC until the TIMER registers are accessed from the CPUs (MPU, DSP
etc.). This can result in missed timer interrupts.
Workaround:
In order for TIMER5/6/7/8 interrupts to be propagated and serviced
correctly the CD_IPU domain should be set to SW_WKUP mode
(CM_IPU_CLKSTCTRL[0:1]CLKTRCTRL=0x2:SW_WKUP).
The above workaround is achieved by switching the IPU clockdomain
flags from HWSUP_SWSUP to SWSUP only.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
omap_rev is used to detect various SoC types, however any misuse of
the usage by invoking it earlier than it being populated will result
in invalid results. Lets flag them as early as possible to prevent
unintended side effects taking place. We get 0 if it is uninitialized
and -1 when detection is done using device tree (as the case was for
DRA7 as the case was prior to commit 06c2d368fc ("ARM: OMAP: DRA7:
Make use of omap_revision information for soc_is* calls")
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
When commit 06c2d368fc ("ARM: OMAP: DRA7: Make use of omap_revision
information for soc_is* calls") introduced SoC check using
omap_revision, it missed providing DRA7 as class for initializing
the omap_version variable. Without doing this, soc_is_dra7xx() will
fail and as a result, omap4_pm_init_early never initializes the dra7
erratum for CPU power state. This causes the suspend path to fail
on DRA7 devices.
Fixes: 06c2d368fc ("ARM: OMAP: DRA7: Make use of omap_revision information for soc_is* calls")
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
DRA7 has no SAR region for automated save and restore of wakeupgen,
which does not make real since the SoC really does not do legacy OFF
mode anymore. Further wakeupgen should never loose context in CSWR
retention mode for MPU domain on DRA7 since that is the deepest state
we will enter.
So, just skip, instead of oopsing as follows while attemptint to enter
suspend on BeagleBoard-X15.
[ 55.589771] Unable to handle kernel paging request at virtual address 00002684
[ 55.589771] pgd = ec69c000
[...]
[ 55.589771] [<c0123cc8>] (irq_notifier) from [<c015ad70>] (notifier_call_chain+0x4c/0x8c)
[ 55.589771] [<c015ad70>] (notifier_call_chain) from [<c021469c>] (cpu_cluster_pm_enter+0x2c/0x78)
[ 55.589771] [<c021469c>] (cpu_cluster_pm_enter) from [<c0514508>] (syscore_suspend+0xb8/0x31c)
[ 55.589771] [<c0514508>] (syscore_suspend) from [<c0197d24>] (suspend_devices_and_enter+0x308/0x9e4)
[ 55.589771] [<c0197d24>] (suspend_devices_and_enter) from [<c0198a40>] (pm_suspend+0x640/0x75c)
[ 55.589771] [<c0198a40>] (pm_suspend) from [<c0196bcc>] (state_store+0x64/0xb8)
[ 55.589771] [<c0196bcc>] (state_store) from [<c0307914>] (kernfs_fop_write+0xc0/0x1bc)
[ 55.589771] [<c0307914>] (kernfs_fop_write) from [<c028ac80>] (__vfs_write+0x1c/0xd8)
[ 55.589771] [<c028ac80>] (__vfs_write) from [<c028bb70>] (vfs_write+0x90/0x16c)
[ 55.589771] [<c028bb70>] (vfs_write) from [<c028c890>] (SyS_write+0x44/0x9c)
[ 55.589771] [<c028c890>] (SyS_write) from [<c0107840>] (ret_fast_syscall+0x0/0x1c)
[...]
Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Silicon Rev 2.0 is a minor variant of Rev 1.0. Rev 2.0 is an incremental revision
with various fixes including the following:
- Reset logic fixes
- Few asymmetric aging logic fixes
- Ethernet speed fixes
- EDMA fixes for McASP
Signed-off-by: Vishal Mahaveer <vishalm@ti.com>
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The following commits:
commit 3fa609755c ("ARM: omap2: restore OMAP4 barrier behaviour")
commit f746929ffd ("Revert "ARM: OMAP4: remove dead kconfig option OMAP4_ERRATA_I688"")
and
commit ea827ad5ff ("ARM: DRA7: Provide proper IO map table")
came in around the same time, unfortunately this seem to have missed
initializing the barrier for DRA7 platforms - omap5_map_io was reused
for dra7 till it was split out by the last patch. barrier_init
needs to be hence carried forward as it is valid for DRA7 family of
processors as they are for OMAP5.
Fixes: ea827ad5ff ("ARM: DRA7: Provide proper IO map table")
Cc: stable@vger.kernel.org # v4.1+
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Fix a longstanding bug in the hwmod code that could cause
hardware SYSCONFIG register values to not match the kernel's
idea of what they should be, and that could result in lower
performance during IP block idle entry.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-fixes-a-for-v4.6-rc/20160326231727/
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Merge tag 'for-v4.6-rc/omap-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.6/fixes
ARM: OMAP2+: first hwmod fix for v4.6-rc
Fix a longstanding bug in the hwmod code that could cause
hardware SYSCONFIG register values to not match the kernel's
idea of what they should be, and that could result in lower
performance during IP block idle entry.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-fixes-a-for-v4.6-rc/20160326231727/
Commit 127500ccb7 ("ARM: OMAP2+: Only write the sysconfig on idle
when necessary") talks about verification of sysconfig cache value before
updating it, only during idle path. But the patch is adding the
verification in the enable path. So, adding the check in a proper place
as per the commit description.
Not keeping this check during enable path as there is a chance of losing
context and it is safe to do on idle as the context of the register will
never be lost while the device is active.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>
Cc: Jon Hunter <jonathanh@nvidia.com>
Cc: <stable@vger.kernel.org> # 3.12+
Fixes: commit 127500ccb7 "ARM: OMAP2+: Only write the sysconfig on idle when necessary"
[paul@pwsan.com: appears to have been caused by my own mismerge of the
originally posted patch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Newly added support for additional SoCs:
- Axis Artpec-6 SoC family
- Allwinner A83T SoC
- Mediatek MT7623
- NXP i.MX6QP SoC
- ST Microelectronics stm32f469 microcontroller
New features:
- SMP support for Mediatek mt2701
- Big-endian support for NXP i.MX
- DaVinci now uses the new DMA engine dma_slave_map
- OMAP now uses the new DMA engine dma_slave_map
- earlyprintk support for palmchip uart on mach-tango
- delay timer support for orion
Other:
- Exynos PMU driver moved out to drivers/soc/
- Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP, uniphier
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Arnd Bergmann:
"Newly added support for additional SoCs:
- Axis Artpec-6 SoC family
- Allwinner A83T SoC
- Mediatek MT7623
- NXP i.MX6QP SoC
- ST Microelectronics stm32f469 microcontroller
New features:
- SMP support for Mediatek mt2701
- Big-endian support for NXP i.MX
- DaVinci now uses the new DMA engine dma_slave_map
- OMAP now uses the new DMA engine dma_slave_map
- earlyprintk support for palmchip uart on mach-tango
- delay timer support for orion
Other:
- Exynos PMU driver moved out to drivers/soc/
- Various smaller updates for Renesas, Xilinx, PXA, AT91, OMAP,
uniphier"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: uniphier: rework SMP code to support new System Bus binding
ARM: uniphier: add missing of_node_put()
ARM: at91: avoid defining CONFIG_* symbols in source code
ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
ARM: imx: Make reset_control_ops const
ARM: imx: Do L2 errata only if the L2 cache isn't enabled
ARM: imx: select ARM_CPU_SUSPEND only for imx6
dmaengine: pxa_dma: fix the maximum requestor line
ARM: alpine: select the Alpine MSI controller driver
ARM: pxa: add the number of DMA requestor lines
dmaengine: mmp-pdma: add number of requestors
dma: mmp_pdma: Add the #dma-requests DT property documentation
ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
ARM: s3c24xx: Avoid warning for inb/outb
ARM: zynq: Move early printk virtual address to vmalloc area
ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
ARM: SAMSUNG: Remove unused register offset definition
ARM: EXYNOS: Cleanup header files inclusion
drivers: soc: samsung: Enable COMPILE_TEST
MAINTAINERS: Add maintainers entry for drivers/soc/samsung
...
A few simple cleanups across multiple platforms, not much standing out:
- lpc32xx removes its private implementation of the clk API, after
generic code was merged in 4.5
- all unused Makefile.boot files get removed
- a number of simplifications for shmobile
- asm/clkdev.h gets replaced with the asm-generic version after
all mach/clkdev.h implementations are gone
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"A few simple cleanups across multiple platforms, not much standing
out:
- lpc32xx removes its private implementation of the clk API, after
generic code was merged in 4.5
- all unused Makefile.boot files get removed
- a number of simplifications for shmobile
- asm/clkdev.h gets replaced with the asm-generic version after all
mach/clkdev.h implementations are gone"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: shmobile: Kconfig: Get rid of old comment
ARM: shmobile: Consolidate SCU mapping code
arm: lpc32xx: remove direct control of GPIOs from shared mach file
arm: lpc32xx: remove selected HAVE_IDE
arm: lpc32xx: switch to common clock framework
ARM: Use generic clkdev.h header
ARM: plat-versatile: Remove unused clock.c file
ARM: netx: remove redundant "depends on ARCH_NETX"
ARM: integrator: remove redundant select in Kconfig
ARM: drop unused Makefile.boot of Multiplatform SoCs
ARM: mvebu: add missing of_node_put()
ARM: shmobile: r8a7779: Remove remainings of removed SCU boot setup code
ARM: shmobile: Typo s/MIPDR/MPIDR/
ARM: shmobile: Add includes providing forward declarations
ARM: shmobile: rcar-gen2: Make rcar_gen2_dma_contiguous static
ARM: mv78xx0: use "depends on" instead of "if" after prompt
As usual, we queue up a few fixes that don't seem urgent enough to go in
through -rc.
- a number of randconfig warning fixes from Arnd
- various small fixes for OMAP
- one somewhat larger patch to restore the OMAP3 cpuidle
tuning that was lost in a cleanup
- a small regression fix for cns3xxx PCI
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-urgent fixes from Arnd Bergmann:
"As usual, we queue up a few fixes that don't seem urgent enough to go
in through -rc.
- a number of randconfig warning fixes from Arnd
- various small fixes for OMAP
- one somewhat larger patch to restore the OMAP3 cpuidle tuning that
was lost in a cleanup
- a small regression fix for cns3xxx PCI"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (26 commits)
CNS3xxx: Fix PCI cns3xxx_write_config()
MAINTAINERS: unify email addrs for Kevin Hilman
CNS3xxx: remove unused *_VIRT definitions
ARM: OMAP2+: Fix hwmod clock for l4_ls
soc: TI knav_qmss: fix dma_addr_t printing
ARM: prima2: always enable reset controller
ARM: socfpga: hide unused functions
ARM: ux500: fix ureachable iounmap()
ARM: ks8695: fix __initdata annotation
ARM: mvebu: mark mvebu_hwcc_pci_nb as __maybe_unused
ARM: mv78xx0: avoid unused function warning
ARM: orion: only select I2C_BOARDINFO when using I2C
ARM: OMAP2+: Fix out of range register access with syscon_config.max_register
ARM: OMAP3: Add cpuidle parameters table for omap3430
ARM: davinci: make I2C support optional
ARM: davinci: DA8xx+DMx combined kernels need PATCH_PHYS_VIRT
ARM: davinci: avoid unused mityomapl138_pn_info variable
ARM: davinci: limit DT support to DA850
ARM: DRA7: hwmod: Add reset data for PCIe
ARM: DRA7: hwmod: Fix OCP2SCP sysconfig
...
Here's the big tty/serial driver pull request for 4.6-rc1.
Lots of changes in here, Peter has been on a tear again, with lots of
refactoring and bugs fixes, many thanks to the great work he has been
doing. Lots of driver updates and fixes as well, full details in the
shortlog.
All have been in linux-next for a while with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here's the big tty/serial driver pull request for 4.6-rc1.
Lots of changes in here, Peter has been on a tear again, with lots of
refactoring and bugs fixes, many thanks to the great work he has been
doing. Lots of driver updates and fixes as well, full details in the
shortlog.
All have been in linux-next for a while with no reported issues"
* tag 'tty-4.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (220 commits)
serial: 8250: describe CONFIG_SERIAL_8250_RSA
serial: samsung: optimize UART rx fifo access routine
serial: pl011: add mark/space parity support
serial: sa1100: make sa1100_register_uart_fns a function
tty: serial: 8250: add MOXA Smartio MUE boards support
serial: 8250: convert drivers to use up_to_u8250p()
serial: 8250/mediatek: fix building with SERIAL_8250=m
serial: 8250/ingenic: fix building with SERIAL_8250=m
serial: 8250/uniphier: fix modular build
Revert "drivers/tty/serial: make 8250/8250_ingenic.c explicitly non-modular"
Revert "drivers/tty/serial: make 8250/8250_mtk.c explicitly non-modular"
serial: mvebu-uart: initial support for Armada-3700 serial port
serial: mctrl_gpio: Add missing module license
serial: ifx6x60: avoid uninitialized variable use
tty/serial: at91: fix bad offset for UART timeout register
tty/serial: at91: restore dynamic driver binding
serial: 8250: Add hardware dependency to RT288X option
TTY, devpts: document pty count limiting
tty: goldfish: support platform_device with id -1
drivers: tty: goldfish: Add device tree bindings
...
Force the DRA7xx Ethernet internal clock source to stay enabled
per TI erratum i877:
http://www.ti.com/lit/er/sprz429h/sprz429h.pdf
Otherwise, if the Ethernet internal clock source is disabled, the
chip will age prematurely, and the RGMII I/O timing will soon
fail to meet the delay time and skew specifications for 1000Mbps
Ethernet.
This fix should go in as soon as possible.
Basic build, boot, and PM test results are available here:
http://www.pwsan.com/omap/testlogs/omap-critical-fixes-for-v4.5-rc/20160307014209/
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Merge tag 'for-v4.5-rc/omap-critical-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes
ARM: OMAP2+: critical DRA7xx fix for v4.5-rc
Force the DRA7xx Ethernet internal clock source to stay enabled
per TI erratum i877:
http://www.ti.com/lit/er/sprz429h/sprz429h.pdf
Otherwise, if the Ethernet internal clock source is disabled, the
chip will age prematurely, and the RGMII I/O timing will soon
fail to meet the delay time and skew specifications for 1000Mbps
Ethernet.
This fix should go in as soon as possible.
Basic build, boot, and PM test results are available here:
http://www.pwsan.com/omap/testlogs/omap-critical-fixes-for-v4.5-rc/20160307014209/
* tag 'for-v4.5-rc/omap-critical-fixes-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
ARM: dts: dra7: do not gate cpsw clock due to errata i877
ARM: OMAP2+: hwmod: Introduce ti,no-idle dt property
Signed-off-by: Olof Johansson <olof@lixom.net>
Introduce a dt property, ti,no-idle, that prevents an IP to idle at any
point. This is to handle Errata i877, which tells that GMAC clocks
cannot be disabled.
Acked-by: Roger Quadros <rogerq@ti.com>
Tested-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
- Enable runtime revision detection for dra7 to avoid multiple dts
files for various variants
- Add dma_slave_map for omap1/2/3 legacy mode booting
- Add RTC interconnect target data for ti81xx and am43x
- Add custom reset handler for PCIeSS
- Add eDMA interconnect target data for dra7
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Merge tag 'omap-for-v4.6/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
Merge "omap soc changes for v4.6 merge window" from Tony Lindgren:
SoC related changes for omaps for v4.6 merge window:
- Enable runtime revision detection for dra7 to avoid multiple dts
files for various variants
- Add dma_slave_map for omap1/2/3 legacy mode booting
- Add RTC interconnect target data for ti81xx and am43x
- Add custom reset handler for PCIeSS
- Add eDMA interconnect target data for dra7
* tag 'omap-for-v4.6/soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: DRA7: hwmod: Add data for eDMA tpcc, tptc0, tptc1
ARM: OMAP2+: Add rtc hwmod configuration for ti81xx
ARM: DRA7: hwmod: Add custom reset handler for PCIeSS
ARM: OMAP2+: DMA: Provide dma_slave_map to omap-dma for legacy boot
ARM: OMAP1: DMA: Provide dma_slave_map to omap-dma
ARM: OMAP: DRA7: Make use of omap_revision information for soc_is* calls
ARM: AM43XX: hwmod: Add rtc hwmod
ARM: DRA7: hwmod: Add reset data for PCIe
ARM: DRA7: hwmod: Fix OCP2SCP sysconfig
ARM: OMAP2+: hwmod data: Add SSI data for omap36xx
for the v4.5-rc cycle:
- Add back optimized cpuidle parameters for 34xx that were
incorrecly removed earlier with cpuidle cleanup
- Fix SSI for omap36xx to get modem working on N950/N9
- A series of omap hwmod fixes via Paul Walmsley <paul@pwsan.com>
to fix SSI for omap36xx for modem on N950/N9, fix for
OCP2SCP sysconfig idle mode, and reset data for PCIe on
dra7
- Fix out of range register access for omap3 control module
if syscon max_register is initialized like v4.6 will be
doing
- Fix l4_ls interconnect clocks for 81xx, it should always
be sysclk6_ck
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Merge tag 'omap-for-v4.6/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical
Merge "omap non-urgent fixes for v4.6 merge window" from Tony Lindgren:
Fixes for omaps for v4.6 merge window that are not urgent
for the v4.5-rc cycle:
- Add back optimized cpuidle parameters for 34xx that were
incorrecly removed earlier with cpuidle cleanup
- Fix SSI for omap36xx to get modem working on N950/N9
- A series of omap hwmod fixes via Paul Walmsley <paul@pwsan.com>
to fix SSI for omap36xx for modem on N950/N9, fix for
OCP2SCP sysconfig idle mode, and reset data for PCIe on
dra7
- Fix out of range register access for omap3 control module
if syscon max_register is initialized like v4.6 will be
doing
- Fix l4_ls interconnect clocks for 81xx, it should always
be sysclk6_ck
* tag 'omap-for-v4.6/fixes-not-urgent-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Fix hwmod clock for l4_ls
ARM: OMAP2+: Fix out of range register access with syscon_config.max_register
ARM: OMAP3: Add cpuidle parameters table for omap3430
ARM: DRA7: hwmod: Add reset data for PCIe
ARM: DRA7: hwmod: Fix OCP2SCP sysconfig
ARM: OMAP2+: hwmod data: Add SSI data for omap36xx
Without this booting t410 can fail randomly with no output
depending on the .config options chosen. Enabling debug_ll
causes the problem to go away. I narrowed this down to USB
by disabling one module at a time.
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
These patches add RTC support for the AM43xx, and add support for
the DRA7xx eDMA controller's TPCC, TPTC0, and TPTC1 IP blocks.
Also included is a workaround for PRCM hardreset control of the DRA7xx
PCIe subsystem.
Note that I do not have a DRA7xx board, and therefore cannot
test any patches for that SoC family.
Basic build, boot, and PM test logs can be found here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-b-for-v4.6/20160301021258/
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Merge tag 'for-v4.6/omap-hwmod-b' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.6/soc
ARM: OMAP2+: second set of hwmod changes for v4.6
These patches add RTC support for the AM43xx, and add support for
the DRA7xx eDMA controller's TPCC, TPTC0, and TPTC1 IP blocks.
Also included is a workaround for PRCM hardreset control of the DRA7xx
PCIe subsystem.
Note that I do not have a DRA7xx board, and therefore cannot
test any patches for that SoC family.
Basic build, boot, and PM test logs can be found here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-b-for-v4.6/20160301021258/
Add hwmod data for the eDMA blocks:
- TPCC: Third-party channel controller
- TPTC0: Third-party transfer controller 0
- TPTC1: Third-party transfer controller 1
The TPCC's clock gating status follows the status of its clock and
power domain. This means that the hwmod code can not directly control
the TPCC enable/disable status.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
[paul@pwsan.com: rephrased last two sentences of the patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Looks like we have few cases with wrong clock, and some
entries with missing clock. It should always be sysclk6
for the l4_ls instance.
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add a custom reset handler for DRA7x PCIeSS. This
handler is required to deassert PCIe hardreset lines
after they have been asserted.
This enables the PCIe driver to access registers after
PCIeSS has been runtime enabled without having to
deassert hardreset lines itself.
With this patch applied, used lspci to make sure
connected PCIe device enumerates on DRA74x and DRA72x
EVMs.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reported-by: Richard Cochran <richardcochran@gmail.com>
Tested-by: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Suman Anna <s-anna@ti.com>
Cc: Dave Gerlach <d-gerlach@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
We still have some boards booting in legacy mode and they will need to have
the device/slave -> filter_fn mapping so we can convert the OMAP drivers
to use the new dmaengine API for requesting channels.
Only some OMAP24xx and OMAP3xxx boards can boot in legacy mode which means
we only need to provide the map for these SoCs.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
If syscon_config.max_register is initialized like it should be, we have
omap_ctrl_read/write() fail with out of range register access at least
for omap3.
We have omap3.dtsi setting up a regmap range for scm_conf, but we now
have omap_ctrl_read/write() also attempt to use the regmap. However,
omap_ctrl_read/write() is also used for other register ranges in the
system control module (SCM).
Let's fix the issue by just removing the regmap_read/write() usage for
control module as suggested by Tero Kristo <t-kristo@ti.com>.
Signed-off-by: Tony Lindgren <tony@atomide.com>
A few fixes for OMAP hwmod data. SSI hwmod data for the OMAP 3730,
and some fixes for the DRA7xx hwmod data. These shouldn't interfere
or impact anything else.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.6/20160214161224/
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Merge tag 'for-v4.6/omap-hwmod-a' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into omap-for-v4.6/fixes-not-urgent
ARM: OMAP2+: first set of hwmod fixes and additions for v4.6
A few fixes for OMAP hwmod data. SSI hwmod data for the OMAP 3730,
and some fixes for the DRA7xx hwmod data. These shouldn't interfere
or impact anything else.
Basic build, boot, and PM test logs are available here:
http://www.pwsan.com/omap/testlogs/omap-hwmod-a-for-v4.6/20160214161224/
Based on CPU type choose generic omap3 or omap3430 specific cpuidle
parameters. Parameters for omap3430 were measured on Nokia N900 device and
added by commit 5a1b1d3a9e ("OMAP3: RX-51: Pass cpu idle parameters")
which were later removed by commit 231900afba ("ARM: OMAP3: cpuidle -
remove rx51 cpuidle parameters table") due to huge code complexity.
This patch brings cpuidle parameters for omap3430 devices again, but uses
simple condition based on CPU type.
Fixes: 231900afba ("ARM: OMAP3: cpuidle - remove rx51 cpuidle
parameters table")
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Currently of_machine_is_compatible is used to detect the soc which
employs string comparison operations. We already have all the required
information in the omap_revision. Hence make use of the same like
the previous OMAPs and avoid costly string comparisons.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
The patch registers the rtc hwmod on AM437x chips. The RTC module is
physically present on the AM438x SoC used on AM43X-EPOS-EVM, but it is
permanently disabled. A secure RTC is used instead on these devices,
where needed. Hence adding it selectively using a separate list to get
RTC Module functional on the other am43x SoCs used on am437x-gp-evm
and am437x-sk-evm.
Signed-off-by: Keerthy <j-keerthy@ti.com>
[paul@pwsan.com: cleaned up patch description]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
If a driver PM runtime is disabled via sysfs, and the module is
unloaded, PM runtime can't do anything to disable the device. Let's
let the interconnect disable the device on BUS_NOTIFY_UNBOUND_DRIVER.
Otherwise omap_device will produce and error on the following module
reload. This can be easily tested with something like:
# modprobe omap_hsmmc
# echo on > /sys/devices/platform/68000000.ocp/4809c000.mmc/power/control
# rmmod omap_hsmmc
# modprobe omap_hsmmc
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Nishanth Menon <nm@ti.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Reported-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Drivers using pm_runtime_use_autosuspend() may not get disabled after
-EPROBE_DEFER. On the following device driver probe, hardware state
is different from the PM runtime state causing omap_device to produce
the following error:
omap_device_enable() called from invalid state 1
And with omap_device and omap hardware being picky for PM, this will
block any deeper idle states in hardware.
Let's add a proper error message so driver writers can easily fix
their drivers for PM.
In general, the solution is to fix the drivers to follow the PM
runtime documentation:
1. For sections of code that needs the device disabled, use
pm_runtime_put_sync_suspend() if pm_runtime_set_autosuspend() has
been set.
2. For driver exit code, use pm_runtime_dont_use_autosuspend() before
pm_runtime_put_sync() if pm_runtime_use_autosuspend() has been
set.
Let's not return with 0 from _od_runtime_resume() as that will
eventually lead into new drivers with broken PM runtime that will
block deeper idle states on omaps.
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Nishanth Menon <nm@ti.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add PCIe reset data to PCIe hwmods on DRA7x.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
OCP2SCP doesn't support smart idle wakeup according to
Table 26-22. OCP2SCP_SYSCONFIG in AM572x TRM [1] and
Table 26-22. OCP2SCP_SYSCONFIG in AM571x TRM [2].
Remove SIDLE_SMART_WKUP from the list of supported SIDLE modes
in hwmod data.
[1] -> http://www.ti.com/lit/ug/spruhz6e/spruhz6e.pdf
[2] -> http://www.ti.com/lit/ug/spruhz7a/spruhz7a.pdf
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
The variable "MACHINE" is empty if CONFIG_ARCH_MULTIPLATFORM=y,
so these Makefile.boot files are never included.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Michal Simek <michal.simek@xilinx.com> (for Zynq)
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
DRIVER_NAME is too generic to be used in a driver-specific platform
data file. Use a name specific to the driver instead, to avoid
collisions.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Cc: Jiri Slaby <jslaby@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch enables Synchronous Serial Interface (SSI)
hwmod support for OMAP36xx SoCs (used by Nokia N950/N9).
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
In order to set the currently platform dependent dmtimer
functions pointers as platform data for the pwm-omap-dmtimer
platform driver, add it to plat-omap auxdata_lookup table.
Suggested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
We don't want to write to .text so let's move ppa_zero_params and
ppa_por_params to .data and access them via pointers.
Note that I have not been able to test as we I don't have a HS
omap4 to test with. The code has been changed in similar way as
for omap3 though.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
We don't want to write to .text, so let's move l2_inv_api_params
to .data and access it via a pointer.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
We don't want to write to .text and we can move save_secure_ram_context
into .data as it all gets copied into SRAM anyways.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
We don't want to write to .text section. Let's move l2dis_3630
to .data and access it via a pointer.
For calculating the offset, let's optimize out the add and do it
in ldr/str as suggested by Nicolas Pitre <nicolas.pitre@linaro.org>.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: stable@vger.kernel.org # v4.0+
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
We don't want to be writing to .text so it can be set rodata.
Fix error "Unable to handle kernel paging request at virtual address
c012396c" in wait_dll_lock_timed if CONFIG_DEBUG_RODATA is selected.
As these counters are for debugging only and unused, we can just
remove them.
Cc: Kees Cook <keescook@chromium.org>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Nishanth Menon <nm@ti.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Tero Kristo <t-kristo@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org # v4.0+
Fixes: 1e6b48116a ("ARM: mm: allow non-text sections to be
non-executable")
Signed-off-by: Tony Lindgren <tony@atomide.com>
The legacy-style mailbox device creation is supported currently
only for OMAP3, as all other SoCs are DT-boot only. Even on this
SoC, there are no client drivers that utilize these mailbox devices.
So, clean up the legacy-style mailbox device instantiation logic.
The mailbox devices are already present and supported for the DT
boot on OMAP3.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
- Modify the driver core and the USB subsystem to allow USB devices
to stay suspended over system suspend/resume cycles if they have
been runtime-suspended already beforehand and fix some bugs on
top of these changes (Tomeu Vizoso, Rafael Wysocki).
- Update ACPICA to upstream revision 20160108, including updates
of the ACPICA's copyright notices, a code fixup resulting from
a regression fix that was necessary in the upstream code only
(the regression fixed by it has never been present in Linux)
and a compiler warning fix (Bob Moore, Lv Zheng).
- Fix a recent regression in the cpuidle menu governor that broke
it on practically all architectures other than x86 and make a
couple of optimizations on top of that fix (Rafael Wysocki).
- Clean up the selection of cpuidle governors depending on whether
or not the kernel is configured for tickless systems (Jean Delvare).
- Revert a recent commit that introduced a regression in the ACPI
backlight driver, address the problem it attempted to fix in a
different way and revert one more cosmetic change depending on
the problematic commit (Hans de Goede).
- Add two more ACPI backlight quirks (Hans de Goede).
- Fix a few minor problems in the core devfreq code, clean it up
a bit and update the MAINTAINERS information related to it
(Chanwoo Choi, MyungJoo Ham).
- Improve an error message in the ACPI fan driver (Andy Lutomirski).
- Fix a recent build regression in the cpupower tool (Shreyas Prabhu).
/
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Merge tag 'pm+acpi-4.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management and ACPI updates from Rafael Wysocki:
"This includes fixes on top of the previous batch of PM+ACPI updates
and some new material as well.
From the new material perspective the most significant are the driver
core changes that should allow USB devices to stay suspended over
system suspend/resume cycles if they have been runtime-suspended
already beforehand. Apart from that, ACPICA is updated to upstream
revision 20160108 (cosmetic mostly, but including one fixup on top of
the previous ACPICA update) and there are some devfreq updates the
didn't make it before (due to timing).
A few recent regressions are fixed, most importantly in the cpuidle
menu governor and in the ACPI backlight driver and some x86 platform
drivers depending on it.
Some more bugs are fixed and cleanups are made on top of that.
Specifics:
- Modify the driver core and the USB subsystem to allow USB devices
to stay suspended over system suspend/resume cycles if they have
been runtime-suspended already beforehand and fix some bugs on top
of these changes (Tomeu Vizoso, Rafael Wysocki).
- Update ACPICA to upstream revision 20160108, including updates of
the ACPICA's copyright notices, a code fixup resulting from a
regression fix that was necessary in the upstream code only (the
regression fixed by it has never been present in Linux) and a
compiler warning fix (Bob Moore, Lv Zheng).
- Fix a recent regression in the cpuidle menu governor that broke it
on practically all architectures other than x86 and make a couple
of optimizations on top of that fix (Rafael Wysocki).
- Clean up the selection of cpuidle governors depending on whether or
not the kernel is configured for tickless systems (Jean Delvare).
- Revert a recent commit that introduced a regression in the ACPI
backlight driver, address the problem it attempted to fix in a
different way and revert one more cosmetic change depending on the
problematic commit (Hans de Goede).
- Add two more ACPI backlight quirks (Hans de Goede).
- Fix a few minor problems in the core devfreq code, clean it up a
bit and update the MAINTAINERS information related to it (Chanwoo
Choi, MyungJoo Ham).
- Improve an error message in the ACPI fan driver (Andy Lutomirski).
- Fix a recent build regression in the cpupower tool (Shreyas
Prabhu)"
* tag 'pm+acpi-4.5-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (32 commits)
cpuidle: menu: Avoid pointless checks in menu_select()
sched / idle: Drop default_idle_call() fallback from call_cpuidle()
cpupower: Fix build error in cpufreq-info
cpuidle: Don't enable all governors by default
cpuidle: Default to ladder governor on ticking systems
time: nohz: Expose tick_nohz_enabled
ACPICA: Update version to 20160108
ACPICA: Silence a -Wbad-function-cast warning when acpi_uintptr_t is 'uintptr_t'
ACPICA: Additional 2016 copyright changes
ACPICA: Reduce regression fix divergence from upstream ACPICA
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Satellite R830
ACPI / video: Revert "thinkpad_acpi: Use acpi_video_handles_brightness_key_presses()"
ACPI / video: Document acpi_video_handles_brightness_key_presses() a bit
ACPI / video: Fix using an uninitialized mutex / list_head in acpi_video_handles_brightness_key_presses()
ACPI / video: Revert "ACPI / video: driver must be registered before checking for keypresses"
ACPI / fan: Improve acpi_device_update_power error message
ACPI / video: Add disable_backlight_sysfs_if quirk for the Toshiba Portege R700
cpuidle: menu: Fix menu_select() for CPUIDLE_DRIVER_STATE_START == 0
MAINTAINERS: Add devfreq-event entry
MAINTAINERS: Add missing git repository and directory for devfreq
...
As usual, the bulk of this release is again DT file contents.
There's a huge number of changes here, and it's challenging to give a crisp
overview of just what is in here. To start with:
New boards:
- TI-based DM3730 from LogicPD (Torpedo)
- Cosmic+ M4 (nommu) initial support (Freescale Vybrid)
- Raspberry Pi 2 DT files
- Watchdog on Meson8b
- Veyron-mickey (ASUS Chromebit) DTS
- Rockchip rk3228 SoC and eval board
- Sigma Designs Tango4
Improvements:
- Improved support for Qualcomm APQ8084, including Sony Xperia Z DT files
- Misc new devices for Rockchip rk3036 and rk3288
- Allwinner updates for misc SoCs and systems
... and a _large_ number of other changes across the field. Devices
added to SoC DTSI and board DTS files for a number of SoC vendors, new
product boards on already-supported SoCs, cleanups and refactorings of
existing DTS/DTSI files and a bunch of other changes.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson:
"As usual, the bulk of this release is again DT file contents.
There's a huge number of changes here, and it's challenging to give a
crisp overview of just what is in here. To start with:
New boards:
- TI-based DM3730 from LogicPD (Torpedo)
- Cosmic+ M4 (nommu) initial support (Freescale Vybrid)
- Raspberry Pi 2 DT files
- Watchdog on Meson8b
- Veyron-mickey (ASUS Chromebit) DTS
- Rockchip rk3228 SoC and eval board
- Sigma Designs Tango4
Improvements:
- Improved support for Qualcomm APQ8084, including Sony Xperia Z DT files
- Misc new devices for Rockchip rk3036 and rk3288
- Allwinner updates for misc SoCs and systems
... and a _large_ number of other changes across the field. Devices
added to SoC DTSI and board DTS files for a number of SoC vendors, new
product boards on already-supported SoCs, cleanups and refactorings of
existing DTS/DTSI files and a bunch of other changes"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (469 commits)
ARM: dts: compulab: add new board description
ARM: versatile: add the syscon LEDs to the DT
dts: vt8500: Fix errors in SDHC node for WM8505
ARM: dts: imx6q: clean up unused ipu2grp
ARM: dts: silk: Add compatible property to "partitions" node
ARM: dts: gose: Add compatible property to "partitions" node
ARM: dts: porter: Add compatible property to "partitions" node
ARM: dts: koelsch: Add compatible property to "partitions" node
ARM: dts: lager: Add compatible property to "partitions" node
ARM: dts: bockw: Add compatible property to "partitions" node
ARM: dts: meson8b: Add watchdog node
Documentation: watchdog: Add new bindings for meson8b
ARM: meson: Add status LED for Odroid-C1
ARM: dts: uniphier: fix a typo in comment block
ARM: bcm2835: Add the auxiliary clocks to the device tree.
ARM: bcm2835: Add devicetree for bcm2836 and Raspberry Pi 2 B
ARM: bcm2835: Move the CPU/peripheral include out of common RPi DT.
ARM: bcm2835: Split the DT for peripherals from the DT for the CPU
ARM: realview: set up cache correctly on the PB11MPCore
ARM: dts: Unify G2D device node with other devices on exynos4
...
Updates for new platform support:
- New platform: Tango4 from Sigma Designs.
- Broadcom BCM2836 (Raspberry Pi 2 SoC)
- Enable cpufreq on Freescale i.MX7D
- Rockchip: SMP support for rk3036, general support for rk3228
- SMP support on Broadcom Kona and NSP
- Cleanups for OMAP removing legacy IOMMU data
+ a bunch of misc fixes and tweaks for various platforms.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Updates for new platform support:
- New platform: Tango4 from Sigma Designs.
- Broadcom BCM2836 (Raspberry Pi 2 SoC)
- Enable cpufreq on Freescale i.MX7D
- Rockchip: SMP support for rk3036, general support for rk3228
- SMP support on Broadcom Kona and NSP
- Cleanups for OMAP removing legacy IOMMU data
+ a bunch of misc fixes and tweaks for various platforms"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (46 commits)
ARM: tango: Fix UP build issues
ARM: tango: pass ARM arch level for smc.S
ARM: bcm2835: Add Kconfig support for bcm2836
ARM: OMAP2+: Add support for dm814x and dra62x usb
ARM: OMAP2+: Add mmc hwmod entries for dm814x
ARM: OMAP2+: Update 81xx clock and power domains for default, active and sgx
ARM: OMAP2+: Fix SoC detection for dra62x j5-eco
ARM: tango4: Initial platform support
ARM: bcm2835: Add a compat string for bcm2836 machine probe
dt-bindings: Add root properties for Raspberry Pi 2
ARM: imx: select SRC for i.MX7
ARM: uniphier: select PINCTRL
ARM: OMAP2+: Remove device creation for omap-pcm-audio
ARM: OMAP1: Remove device creation for omap-pcm-audio
ARM: rockchip: enable support for RK3228 SoCs
ARM: rockchip: use const and __initconst for rk3036 smp_operations
ARM: zynq: Select ARCH_HAS_RESET_CONTROLLER
ARM: BCM: Add SMP support for Broadcom 4708
ARM: BCM: Add SMP support for Broadcom NSP
ARM: BCM: Clean up SMP support for Broadcom Kona
...
A smallish number of general cleanup commits this release cycle. Some
of these are minor tweaks:
- shmobile change of binding for their GIC (using arm,pl390 now)
- ARCH_RENESAS introduction
- Misc other renesas updates
There's also a couple of treewide commits from Masahiro Yamada cleaning up
const/__initconst for SMP operation structs and a switch to using "depends
on" instead of if-constructs on most of the Kconfig platform targets.
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"A smallish number of general cleanup commits this release cycle. Some
of these are minor tweaks:
- shmobile change of binding for their GIC (using arm,pl390 now)
- ARCH_RENESAS introduction
- Misc other renesas updates
There's also a couple of treewide commits from Masahiro Yamada
cleaning up const/__initconst for SMP operation structs and a switch
to using "depends on" instead of if-constructs on most of the Kconfig
platform targets"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
staging: board: armadillo800eva: Use "arm,pl390"
staging: board: kzm9d: Use "arm,pl390"
ARM: shmobile: r8a7778 dtsi: Use "arm,pl390" for GIC
ARM: shmobile: emev2 dtsi: Use "arm,pl390" for GIC
ARM: shmobile: r8a7740 dtsi: Use "arm,pl390" for GIC
ARM: shmobile: r7s72100 dtsi: Use "arm,pl390" for GIC
ARM: use "depends on" for SoC configs instead of "if" after prompt
ARM/clocksource: use automatic DT probing for ux500 PRCMU
ARM: use const and __initconst for smp_operations
ARM: hisi: do not export smp_operations structures
ARM: mvebu: remove unused mach/gpio.h
ARM: shmobile: Remove legacy mach/irqs.h
ARM: shmobile: Introduce ARCH_RENESAS
MAINTAINERS: Remove link to oss.renesas.com which is closed
As usual, we queue up a few fixes that don't seem urgent enough to go in
through -rc.
- MAINTAINERS updates to add a list for brcmstb and fix a typo
- A handful of fixes for OMAP 81xx, a recently resurrected platform so these
can't be considered real regressions and thus got queued.
- A couple of other small fixes for scoop, sa1100 and davinci
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull non-urgent ARM SoC fixes from Olof Johansson:
"As usual, we queue up a few fixes that don't seem urgent enough to go
in through -rc.
- MAINTAINERS updates to add a list for brcmstb and fix a typo
- A handful of fixes for OMAP 81xx, a recently resurrected platform
so these can't be considered real regressions and thus got queued.
- A couple of other small fixes for scoop, sa1100 and davinci"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: OMAP2+: Fix randconfig build warning for dm814_pllss_data
ARM: sa1100/simpad: Be sure to clamp return value
ARM: scoop: Be sure to clamp return value
ARM: davinci: fix a problematic usage of WARN()
ARM: davinci: only select WT cache if cache is enabled
ARM: OMAP2+: Remove useless check for legacy booting for dm814x
ARM: OMAP2+: Enable GPIO for dm814x
ARM: dts: Fix dm814x pinctrl address and mask
ARM: dts: Fix dm8148 control modules ranges
ARM: OMAP2+: Fix timer entries for dm814x
ARM: dts: Fix some mux and divider clocks to get dm814x-evm booting
ARM: OMAP2+: Add DPPLS clock manager for dm814x
clk: ti: Add few dm814x clock aliases
ARM: dts: Fix dm814x entries for pllss and prcm
MAINTAINERS: gpio-brcmstb: Remove stray '>'
MAINTAINERS: brcmstb: Include Broadcom internal mailing-list
* pm-core:
driver core: Avoid NULL pointer dereferences in device_is_bound()
platform: Do not detach from PM domains on shutdown
USB / PM: Allow USB devices to remain runtime-suspended when sleeping
PM / sleep: Go direct_complete if driver has no callbacks
PM / Domains: add setter for dev.pm_domain
device core: add device_is_bound()
bulk of the changes are to clk controller drivers, though some
improvements to the core and some re-usable blocks/templates also
received some love. In this past cycle the clk maintainers developed a
good workflow for handling the common case of patch submissions
containing a new drivers, new shared Device Tree header and a new Device
Tree binding description. This requires coordination with the Device
Tree maintainers and with the architecture maintainers (typically the
arm-soc tree in our case). This explains the increase in changes to
include/dt-bindings/... and to
Documentation/devicetree/bindings/clock/... coming from the clk tree.
The same commits can be expected to come through those trees on
occasion, through the use of shared, immutable branches.
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Merge tag 'clk-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk framework updates from Michael Turquette:
"The clk framework and driver changes for 4.5 look pretty typical. The
bulk of the changes are to clk controller drivers, though some
improvements to the core and some re-usable blocks/templates also
received some love.
In this past cycle the clk maintainers developed a good workflow for
handling the common case of patch submissions containing a new
drivers, new shared Device Tree header and a new Device Tree binding
description. This requires coordination with the Device Tree
maintainers and with the architecture maintainers (typically the
arm-soc tree in our case).
This explains the increase in changes to include/dt-bindings/... and
to Documentation/devicetree/bindings/clock/... coming from the clk
tree. The same commits can be expected to come through those trees on
occasion, through the use of shared, immutable branches"
* tag 'clk-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (125 commits)
clk: remove duplicated COMMON_CLK_NXP record from clk/Kconfig
clk: fix clk-gpio.c with optional clock= DT property
clk: rockchip: fix section mismatches with new child-clocks
clk: gpio: handle error codes for of_clk_get_parent_count()
clk: gpio: fix memory leak
clk: shmobile: r8a7795: Add SATA0 clock
clk: bcm2835: Add PWM clock support
clk: bcm2835: Support for clock parent selection
clk: bcm2835: add a round up ability to the clock divisor
clk: lpc32xx: add common clock framework driver
clk: lpc18xx: add NXP specific COMMON_CLK_NXP configuration symbol
dt-bindings: clock: add NXP LPC32xx clock list for consumers
dt-bindings: clock: add description of LPC32xx USB clock controller
dt-bindings: clock: add description of LPC32xx clock controller
clk: rockchip: rk3036: include downstream muxes into fractional dividers
clk: add flag for clocks that need to be enabled on rate changes
clk: rockchip: Allow the RK3288 SPDIF clocks to change their parent
clk: rockchip: include downstream muxes into fractional dividers
clk: rockchip: handle mux dependency of fractional dividers
clk: bcm2835: Add a driver for the auxiliary peripheral clock gates.
...
Pull ARM updates from Russell King:
- UEFI boot and runtime services support for ARM from Ard Biesheuvel
and Roy Franz.
- DT compatibility with old atags booting protocol for Nokia N900
devices from Ivaylo Dimitrov.
- PSCI firmware interface using new arm-smc calling convention from
Jens Wiklander.
- Runtime patching for udiv/sdiv instructions for ARMv7 CPUs that
support these instructions from Nicolas Pitre.
- L2x0 cache updates from Dirk B and Linus Walleij.
- Randconfig fixes from Arnd Bergmann.
- ARMv7M (nommu) updates from Ezequiel Garcia
* 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (34 commits)
ARM: 8481/2: drivers: psci: replace psci firmware calls
ARM: 8480/2: arm64: add implementation for arm-smccc
ARM: 8479/2: add implementation for arm-smccc
ARM: 8478/2: arm/arm64: add arm-smccc
ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
ARM: 8496/1: OMAP: RX51: save ATAGS data in the early boot stage
ARM: 8495/1: ATAGS: move save_atags() to arch/arm/include/asm/setup.h
ARM: 8452/3: PJ4: make coprocessor access sequences buildable in Thumb2 mode
ARM: 8482/1: l2x0: make it possible to disable outer sync from DT
ARM: 8488/1: Make IPI_CPU_BACKTRACE a "non-secure" SGI
ARM: 8487/1: Remove IPI_CALL_FUNC_SINGLE
ARM: 8485/1: cpuidle: remove cpu parameter from the cpuidle_ops suspend hook
ARM: 8484/1: Documentation: l2c2x0: Mention separate controllers explicitly
ARM: 8483/1: Documentation: l2c: Rename l2cc to l2c2x0
ARM: 8477/1: runtime patch udiv/sdiv instructions into __aeabi_{u}idiv()
ARM: 8476/1: VDSO: use PTR_ERR_OR_ZERO for vma check
ARM: 8453/2: proc-v7.S: don't locate temporary stack space in .text section
ARM: add UEFI stub support
ARM: wire up UEFI init and runtime support
ARM: only consider memblocks with NOMAP cleared for linear mapping
...
* patchwork: (204 commits)
[media] rc: sunxi-cir: Initialize the spinlock properly
[media] rtl2832: do not filter out slave TS null packets
[media] rtl2832: print reg number on error case
[media] rtl28xxu: return demod reg page from driver cache
[media] coda: enable MPEG-2 ES decoding
[media] coda: don't start streaming without queued buffers
[media] coda: hook up vidioc_prepare_buf
[media] coda: relax coda_jpeg_check_buffer for trailing bytes
[media] coda: make to_coda_video_device static
[media] s5p-mfc: remove volatile attribute from MFC register addresses
[media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_void
[media] s5p-mfc: use spinlock to protect MFC context
[media] s5p-mfc: remove unnecessary callbacks
[media] s5p-mfc: make queue cleanup code common
[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctx
[media] s5p-mfc: constify s5p_mfc_codec_ops structures
[media] au8522: Avoid memory leak for device config data
[media] ir-lirc-codec.c: don't leak lirc->drv-rbuf
[media] uvcvideo: small cleanup in uvc_video_clock_update()
[media] uvcvideo: Fix reading the current exposure value of UVC
...
Adds a function that sets the pointer to dev_pm_domain in struct device
and that warns if the device has already finished probing. The reason
why we want to enforce that is because in the general case that can
cause problems and also that we can simplify code quite a bit if we can
always assume that.
This patch also changes all current code that directly sets the
dev.pm_domain pointer.
Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 63aa945b10 ("memory: omap-gpmc: Add Kconfig option for debug")
unified the GPMC debug for the SoCs with GPMC. The commit also left out
the option for HWMOD_INIT_NO_RESET as we now require proper timings for
GPMC to be able to remap GPMC devices out of address 0.
Unfortunately on Nokia N900, onenand now only partially works with the
device tree provided timings. It works enough to get detected but the
clock rate supported by the onenand chip gets misdetected. This in turn
causes the GPMC timings to be miscalculated and this leads into file
system corruption on N900.
Looks like onenand needs CS_CONFIG1 bit 27 WRITETYPE set for for sync
write. This is needed also for async timings when we write to onenand
with omap2_onenand_set_async_mode(). Without sync write bit set, the
async read for the onenand ONENAND_REG_VERSION_ID will return 0xfff.
Let's exit with an error if onenand rate is not detected. And let's
remove the extra call to omap2_onenand_set_async_mode() as we only need
to do this once at the end of omap2_onenand_setup_async().
Fixes: 63aa945b10 ("memory: omap-gpmc: Add Kconfig option for debug")
Cc: stable@vger.kernel.org # v4.2+
Reported-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Tested-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This fixes a regression with device tree based booting compared to legacy booting for n900 to make the n900 legacy user space to also work with device tree based booting
Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Pull "reworked soc changes for ti81xx devices and minimal dra62x
j5ec-evm support" from Tony Lindgren:
Add minimal SoC support for dra62x also known as j5eco. As it's closely
related to dm814x, we can treat it as a dm814x variant for now and do
rest of the configuration with DTS just files. And let's add hwmod
support for MMC and USB on dm814x and dra62x.
* tag 'omap-for-v4.5/81xx-soc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Add support for dm814x and dra62x usb
ARM: OMAP2+: Add mmc hwmod entries for dm814x
ARM: OMAP2+: Update 81xx clock and power domains for default, active and sgx
ARM: OMAP2+: Fix SoC detection for dra62x j5-eco
related to dm814x, just the clocks are a bit different and it has a
different set of integrated devices. And let's get some basic dm814x
and dra62x devices working as many of the devices are like on am33xx::
- pinctrl using the pinctrl defines as for am33xx
- Updated EDMA bindings with support for using exma_xbar
- MMC support for dm814x-evm, t410 and dra62x-j5eco-evm
- USB support for dm814x-evm, t410 and dra62x-j5eco-evm
This branch depends on an earlier omap-for-v4.5/81xx-fixes-signed
branch that has dm814x dts fixes interlaced with SoC related fixes to
keep things booting. The interlaced SoC and dts fixes were needed
because of issues with the device tree defined clocks that just
happened to work on bootloader timings for t410 earlier.
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Merge tag 'omap-for-v4.5/81xx-dts-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
Pull "reworked dts changes for ti81xx devices and minimal
dra62x j5ec-evm support" from Tony Lindgren:
Add minimal device tree support for dra62x also known j5eco. It is
related to dm814x, just the clocks are a bit different and it has a
different set of integrated devices. And let's get some basic dm814x
and dra62x devices working as many of the devices are like on am33xx::
- pinctrl using the pinctrl defines as for am33xx
- Updated EDMA bindings with support for using exma_xbar
- MMC support for dm814x-evm, t410 and dra62x-j5eco-evm
- USB support for dm814x-evm, t410 and dra62x-j5eco-evm
This branch depends on an earlier omap-for-v4.5/81xx-fixes-signed
branch that has dm814x dts fixes interlaced with SoC related fixes to
keep things booting. The interlaced SoC and dts fixes were needed
because of issues with the device tree defined clocks that just
happened to work on bootloader timings for t410 earlier.
* tag 'omap-for-v4.5/81xx-dts-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (21 commits)
ARM: dts: Add usb support for j5-eco evm
ARM: dts: Add usb support for hp t410
ARM: dts: Add usb support for dm814x-evm
ARM: dts: Add usb support for dm814x and dra62x
ARM: dts: Enable emmc on hp t410
ARM: dts: Add mmc support for dra62x j5-eco evm
ARM: dts: Add mmc support for dm8148-evm
ARM: dts: Add mmc device entries for dm814x
ARM: dts: Update edma bindings on dm814x to use edma_xbar
ARM: dts: Add pinctrl macros for dm814x
ARM: dts: Add minimal dra62x j5-eco evm support
ARM: dts: Add basic support for dra62x j5-eco SoC
ARM: OMAP2+: Remove useless check for legacy booting for dm814x
ARM: OMAP2+: Enable GPIO for dm814x
ARM: dts: Fix dm814x pinctrl address and mask
ARM: dts: Fix dm8148 control modules ranges
ARM: OMAP2+: Fix timer entries for dm814x
ARM: dts: Fix some mux and divider clocks to get dm814x-evm booting
ARM: OMAP2+: Add DPPLS clock manager for dm814x
clk: ti: Add few dm814x clock aliases
...
Fix warning for arch/arm/mach-omap2/prm_common.c:666:35: warning:
‘dm814_pllss_data’ defined but not used [-Wunused-variable]".
This can happen if CONFIG_SOC_TI81XX is not selected.
Signed-off-by: Tony Lindgren <tony@atomide.com>
The usb phys are different on dm814x compared to dm816x so we need to
use the clkdcoldo output for usb.
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Let's add mmc entries for dm814x. To do that, we need to rename some
entries to be common for 81xx.
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
These offsets seem to be common, so let's rename the defines. And let's
set up the default_l3_slow_81xx_clkdm with active and default powerdomains
for dm814x. These are needed for usb to work.
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
