mirror of https://gitee.com/openkylin/linux.git
993 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Linus Torvalds
|
92a578b064 |
ACPI and power management updates for 3.19-rc1
This time we have some more new material than we used to have during
the last couple of development cycles.
The most important part of it to me is the introduction of a unified
interface for accessing device properties provided by platform
firmware. It works with Device Trees and ACPI in a uniform way and
drivers using it need not worry about where the properties come
from as long as the platform firmware (either DT or ACPI) makes
them available. It covers both devices and "bare" device node
objects without struct device representation as that turns out to
be necessary in some cases. This has been in the works for quite
a few months (and development cycles) and has been approved by
all of the relevant maintainers.
On top of that, some drivers are switched over to the new interface
(at25, leds-gpio, gpio_keys_polled) and some additional changes are
made to the core GPIO subsystem to allow device drivers to manipulate
GPIOs in the "canonical" way on platforms that provide GPIO information
in their ACPI tables, but don't assign names to GPIO lines (in which
case the driver needs to do that on the basis of what it knows about
the device in question). That also has been approved by the GPIO
core maintainers and the rfkill driver is now going to use it.
Second is support for hardware P-states in the intel_pstate driver.
It uses CPUID to detect whether or not the feature is supported by
the processor in which case it will be enabled by default. However,
it can be disabled entirely from the kernel command line if necessary.
Next is support for a platform firmware interface based on ACPI
operation regions used by the PMIC (Power Management Integrated
Circuit) chips on the Intel Baytrail-T and Baytrail-T-CR platforms.
That interface is used for manipulating power resources and for
thermal management: sensor temperature reporting, trip point setting
and so on.
Also the ACPI core is now going to support the _DEP configuration
information in a limited way. Basically, _DEP it supposed to reflect
off-the-hierarchy dependencies between devices which may be very
indirect, like when AML for one device accesses locations in an
operation region handled by another device's driver (usually, the
device depended on this way is a serial bus or GPIO controller).
The support added this time is sufficient to make the ACPI battery
driver work on Asus T100A, but it is general enough to be able to
cover some other use cases in the future.
Finally, we have a new cpufreq driver for the Loongson1B processor.
In addition to the above, there are fixes and cleanups all over the
place as usual and a traditional ACPICA update to a recent upstream
release.
As far as the fixes go, the ACPI LPSS (Low-power Subsystem) driver
for Intel platforms should be able to handle power management of
the DMA engine correctly, the cpufreq-dt driver should interact
with the thermal subsystem in a better way and the ACPI backlight
driver should handle some more corner cases, among other things.
On top of the ACPICA update there are fixes for race conditions
in the ACPICA's interrupt handling code which might lead to some
random and strange looking failures on some systems.
In the cleanups department the most visible part is the series
of commits targeted at getting rid of the CONFIG_PM_RUNTIME
configuration option. That was triggered by a discussion
regarding the generic power domains code during which we realized
that trying to support certain combinations of PM config options
was painful and not really worth it, because nobody would use them
in production anyway. For this reason, we decided to make
CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and that lead to the
conclusion that the latter became redundant and CONFIG_PM could
be used instead of it. The material here makes that replacement
in a major part of the tree, but there will be at least one more
batch of that in the second part of the merge window.
Specifics:
- Support for retrieving device properties information from ACPI
_DSD device configuration objects and a unified device properties
interface for device drivers (and subsystems) on top of that.
As stated above, this works with Device Trees and ACPI and allows
device drivers to be written in a platform firmware (DT or ACPI)
agnostic way. The at25, leds-gpio and gpio_keys_polled drivers
are now going to use this new interface and the GPIO subsystem
is additionally modified to allow device drivers to assign names
to GPIO resources returned by ACPI _CRS objects (in case _DSD is
not present or does not provide the expected data). The changes
in this set are mostly from Mika Westerberg, Rafael J Wysocki,
Aaron Lu, and Darren Hart with some fixes from others (Fabio Estevam,
Geert Uytterhoeven).
- Support for Hardware Managed Performance States (HWP) as described
in Volume 3, section 14.4, of the Intel SDM in the intel_pstate
driver. CPUID is used to detect whether or not the feature is
supported by the processor. If supported, it will be enabled
automatically unless the intel_pstate=no_hwp switch is present in
the kernel command line. From Dirk Brandewie.
- New Intel Broadwell-H ID for intel_pstate (Dirk Brandewie).
- Support for firmware interface based on ACPI operation regions
used by the PMIC chips on the Intel Baytrail-T and Baytrail-T-CR
platforms for power resource control and thermal management
(Aaron Lu).
- Limited support for retrieving off-the-hierarchy dependencies
between devices from ACPI _DEP device configuration objects
and deferred probing support for the ACPI battery driver based
on the _DEP information to make that driver work on Asus T100A
(Lan Tianyu).
- New cpufreq driver for the Loongson1B processor (Kelvin Cheung).
- ACPICA update to upstream revision 20141107 which only affects
tools (Bob Moore).
- Fixes for race conditions in the ACPICA's interrupt handling
code and in the ACPI code related to system suspend and resume
(Lv Zheng and Rafael J Wysocki).
- ACPI core fix for an RCU-related issue in the ioremap() regions
management code that slowed down significantly after CPUs had
been allowed to enter idle states even if they'd had RCU callbakcs
queued and triggered some problems in certain proprietary graphics
driver (and elsewhere). The fix replaces synchronize_rcu() in
that code with synchronize_rcu_expedited() which makes the issue
go away. From Konstantin Khlebnikov.
- ACPI LPSS (Low-Power Subsystem) driver fix to handle power
management of the DMA engine included into the LPSS correctly.
The problem is that the DMA engine doesn't have ACPI PM support
of its own and it simply is turned off when the last LPSS device
having ACPI PM support goes into D3cold. To work around that,
the PM domain used by the ACPI LPSS driver is redesigned so at
least one device with ACPI PM support will be on as long as the
DMA engine is in use. From Andy Shevchenko.
- ACPI backlight driver fix to avoid using it on "Win8-compatible"
systems where it doesn't work and where it was used by default by
mistake (Aaron Lu).
- Assorted minor ACPI core fixes and cleanups from Tomasz Nowicki,
Sudeep Holla, Huang Rui, Hanjun Guo, Fabian Frederick, and
Ashwin Chaugule (mostly related to the upcoming ARM64 support).
- Intel RAPL (Running Average Power Limit) power capping driver
fixes and improvements including new processor IDs (Jacob Pan).
- Generic power domains modification to power up domains after
attaching devices to them to meet the expectations of device
drivers and bus types assuming devices to be accessible at
probe time (Ulf Hansson).
- Preliminary support for controlling device clocks from the
generic power domains core code and modifications of the
ARM/shmobile platform to use that feature (Ulf Hansson).
- Assorted minor fixes and cleanups of the generic power
domains core code (Ulf Hansson, Geert Uytterhoeven).
- Assorted minor fixes and cleanups of the device clocks control
code in the PM core (Geert Uytterhoeven, Grygorii Strashko).
- Consolidation of device power management Kconfig options by making
CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and removing the latter
which is now redundant (Rafael J Wysocki and Kevin Hilman). That
is the first batch of the changes needed for this purpose.
- Core device runtime power management support code cleanup related
to the execution of callbacks (Andrzej Hajda).
- cpuidle ARM support improvements (Lorenzo Pieralisi).
- cpuidle cleanup related to the CPUIDLE_FLAG_TIME_VALID flag and
a new MAINTAINERS entry for ARM Exynos cpuidle (Daniel Lezcano and
Bartlomiej Zolnierkiewicz).
- New cpufreq driver callback (->ready) to be executed when the
cpufreq core is ready to use a given policy object and cpufreq-dt
driver modification to use that callback for cooling device
registration (Viresh Kumar).
- cpufreq core fixes and cleanups (Viresh Kumar, Vince Hsu,
James Geboski, Tomeu Vizoso).
- Assorted fixes and cleanups in the cpufreq-pcc, intel_pstate,
cpufreq-dt, pxa2xx cpufreq drivers (Lenny Szubowicz, Ethan Zhao,
Stefan Wahren, Petr Cvek).
- OPP (Operating Performance Points) framework modification to
allow OPPs to be removed too and update of a few cpufreq drivers
(cpufreq-dt, exynos5440, imx6q, cpufreq) to remove OPPs (added
during initialization) on driver removal (Viresh Kumar).
- Hibernation core fixes and cleanups (Tina Ruchandani and
Markus Elfring).
- PM Kconfig fix related to CPU power management (Pankaj Dubey).
- cpupower tool fix (Prarit Bhargava).
/
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Merge tag 'pm+acpi-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"This time we have some more new material than we used to have during
the last couple of development cycles.
The most important part of it to me is the introduction of a unified
interface for accessing device properties provided by platform
firmware. It works with Device Trees and ACPI in a uniform way and
drivers using it need not worry about where the properties come from
as long as the platform firmware (either DT or ACPI) makes them
available. It covers both devices and "bare" device node objects
without struct device representation as that turns out to be necessary
in some cases. This has been in the works for quite a few months (and
development cycles) and has been approved by all of the relevant
maintainers.
On top of that, some drivers are switched over to the new interface
(at25, leds-gpio, gpio_keys_polled) and some additional changes are
made to the core GPIO subsystem to allow device drivers to manipulate
GPIOs in the "canonical" way on platforms that provide GPIO
information in their ACPI tables, but don't assign names to GPIO lines
(in which case the driver needs to do that on the basis of what it
knows about the device in question). That also has been approved by
the GPIO core maintainers and the rfkill driver is now going to use
it.
Second is support for hardware P-states in the intel_pstate driver.
It uses CPUID to detect whether or not the feature is supported by the
processor in which case it will be enabled by default. However, it
can be disabled entirely from the kernel command line if necessary.
Next is support for a platform firmware interface based on ACPI
operation regions used by the PMIC (Power Management Integrated
Circuit) chips on the Intel Baytrail-T and Baytrail-T-CR platforms.
That interface is used for manipulating power resources and for
thermal management: sensor temperature reporting, trip point setting
and so on.
Also the ACPI core is now going to support the _DEP configuration
information in a limited way. Basically, _DEP it supposed to reflect
off-the-hierarchy dependencies between devices which may be very
indirect, like when AML for one device accesses locations in an
operation region handled by another device's driver (usually, the
device depended on this way is a serial bus or GPIO controller). The
support added this time is sufficient to make the ACPI battery driver
work on Asus T100A, but it is general enough to be able to cover some
other use cases in the future.
Finally, we have a new cpufreq driver for the Loongson1B processor.
In addition to the above, there are fixes and cleanups all over the
place as usual and a traditional ACPICA update to a recent upstream
release.
As far as the fixes go, the ACPI LPSS (Low-power Subsystem) driver for
Intel platforms should be able to handle power management of the DMA
engine correctly, the cpufreq-dt driver should interact with the
thermal subsystem in a better way and the ACPI backlight driver should
handle some more corner cases, among other things.
On top of the ACPICA update there are fixes for race conditions in the
ACPICA's interrupt handling code which might lead to some random and
strange looking failures on some systems.
In the cleanups department the most visible part is the series of
commits targeted at getting rid of the CONFIG_PM_RUNTIME configuration
option. That was triggered by a discussion regarding the generic
power domains code during which we realized that trying to support
certain combinations of PM config options was painful and not really
worth it, because nobody would use them in production anyway. For
this reason, we decided to make CONFIG_PM_SLEEP select
CONFIG_PM_RUNTIME and that lead to the conclusion that the latter
became redundant and CONFIG_PM could be used instead of it. The
material here makes that replacement in a major part of the tree, but
there will be at least one more batch of that in the second part of
the merge window.
Specifics:
- Support for retrieving device properties information from ACPI _DSD
device configuration objects and a unified device properties
interface for device drivers (and subsystems) on top of that. As
stated above, this works with Device Trees and ACPI and allows
device drivers to be written in a platform firmware (DT or ACPI)
agnostic way. The at25, leds-gpio and gpio_keys_polled drivers are
now going to use this new interface and the GPIO subsystem is
additionally modified to allow device drivers to assign names to
GPIO resources returned by ACPI _CRS objects (in case _DSD is not
present or does not provide the expected data). The changes in
this set are mostly from Mika Westerberg, Rafael J Wysocki, Aaron
Lu, and Darren Hart with some fixes from others (Fabio Estevam,
Geert Uytterhoeven).
- Support for Hardware Managed Performance States (HWP) as described
in Volume 3, section 14.4, of the Intel SDM in the intel_pstate
driver. CPUID is used to detect whether or not the feature is
supported by the processor. If supported, it will be enabled
automatically unless the intel_pstate=no_hwp switch is present in
the kernel command line. From Dirk Brandewie.
- New Intel Broadwell-H ID for intel_pstate (Dirk Brandewie).
- Support for firmware interface based on ACPI operation regions used
by the PMIC chips on the Intel Baytrail-T and Baytrail-T-CR
platforms for power resource control and thermal management (Aaron
Lu).
- Limited support for retrieving off-the-hierarchy dependencies
between devices from ACPI _DEP device configuration objects and
deferred probing support for the ACPI battery driver based on the
_DEP information to make that driver work on Asus T100A (Lan
Tianyu).
- New cpufreq driver for the Loongson1B processor (Kelvin Cheung).
- ACPICA update to upstream revision 20141107 which only affects
tools (Bob Moore).
- Fixes for race conditions in the ACPICA's interrupt handling code
and in the ACPI code related to system suspend and resume (Lv Zheng
and Rafael J Wysocki).
- ACPI core fix for an RCU-related issue in the ioremap() regions
management code that slowed down significantly after CPUs had been
allowed to enter idle states even if they'd had RCU callbakcs
queued and triggered some problems in certain proprietary graphics
driver (and elsewhere). The fix replaces synchronize_rcu() in that
code with synchronize_rcu_expedited() which makes the issue go
away. From Konstantin Khlebnikov.
- ACPI LPSS (Low-Power Subsystem) driver fix to handle power
management of the DMA engine included into the LPSS correctly. The
problem is that the DMA engine doesn't have ACPI PM support of its
own and it simply is turned off when the last LPSS device having
ACPI PM support goes into D3cold. To work around that, the PM
domain used by the ACPI LPSS driver is redesigned so at least one
device with ACPI PM support will be on as long as the DMA engine is
in use. From Andy Shevchenko.
- ACPI backlight driver fix to avoid using it on "Win8-compatible"
systems where it doesn't work and where it was used by default by
mistake (Aaron Lu).
- Assorted minor ACPI core fixes and cleanups from Tomasz Nowicki,
Sudeep Holla, Huang Rui, Hanjun Guo, Fabian Frederick, and Ashwin
Chaugule (mostly related to the upcoming ARM64 support).
- Intel RAPL (Running Average Power Limit) power capping driver fixes
and improvements including new processor IDs (Jacob Pan).
- Generic power domains modification to power up domains after
attaching devices to them to meet the expectations of device
drivers and bus types assuming devices to be accessible at probe
time (Ulf Hansson).
- Preliminary support for controlling device clocks from the generic
power domains core code and modifications of the ARM/shmobile
platform to use that feature (Ulf Hansson).
- Assorted minor fixes and cleanups of the generic power domains core
code (Ulf Hansson, Geert Uytterhoeven).
- Assorted minor fixes and cleanups of the device clocks control code
in the PM core (Geert Uytterhoeven, Grygorii Strashko).
- Consolidation of device power management Kconfig options by making
CONFIG_PM_SLEEP select CONFIG_PM_RUNTIME and removing the latter
which is now redundant (Rafael J Wysocki and Kevin Hilman). That
is the first batch of the changes needed for this purpose.
- Core device runtime power management support code cleanup related
to the execution of callbacks (Andrzej Hajda).
- cpuidle ARM support improvements (Lorenzo Pieralisi).
- cpuidle cleanup related to the CPUIDLE_FLAG_TIME_VALID flag and a
new MAINTAINERS entry for ARM Exynos cpuidle (Daniel Lezcano and
Bartlomiej Zolnierkiewicz).
- New cpufreq driver callback (->ready) to be executed when the
cpufreq core is ready to use a given policy object and cpufreq-dt
driver modification to use that callback for cooling device
registration (Viresh Kumar).
- cpufreq core fixes and cleanups (Viresh Kumar, Vince Hsu, James
Geboski, Tomeu Vizoso).
- Assorted fixes and cleanups in the cpufreq-pcc, intel_pstate,
cpufreq-dt, pxa2xx cpufreq drivers (Lenny Szubowicz, Ethan Zhao,
Stefan Wahren, Petr Cvek).
- OPP (Operating Performance Points) framework modification to allow
OPPs to be removed too and update of a few cpufreq drivers
(cpufreq-dt, exynos5440, imx6q, cpufreq) to remove OPPs (added
during initialization) on driver removal (Viresh Kumar).
- Hibernation core fixes and cleanups (Tina Ruchandani and Markus
Elfring).
- PM Kconfig fix related to CPU power management (Pankaj Dubey).
- cpupower tool fix (Prarit Bhargava)"
* tag 'pm+acpi-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (120 commits)
i2c-omap / PM: Drop CONFIG_PM_RUNTIME from i2c-omap.c
dmaengine / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
tools: cpupower: fix return checks for sysfs_get_idlestate_count()
drivers: sh / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
e1000e / igb / PM: Eliminate CONFIG_PM_RUNTIME
MMC / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
MFD / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
misc / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
media / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
input / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
leds: leds-gpio: Fix multiple instances registration without 'label' property
iio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
hsi / OMAP / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
i2c-hid / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
drm / exynos / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
gpio / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
hwrandom / exynos / PM: Use CONFIG_PM in #ifdef
block / PM: Replace CONFIG_PM_RUNTIME with CONFIG_PM
USB / PM: Drop CONFIG_PM_RUNTIME from the USB core
PM: Merge the SET*_RUNTIME_PM_OPS() macros
...
|
|
|
Linus Torvalds
|
3a647c1d7a |
ARM: SoC driver updates for 3.19
These are changes for drivers that are intimately tied to some SoC
and for some reason could not get merged through the respective
subsystem maintainer tree.
The largest single change here this time around is the Tegra
iommu/memory controller driver, which gets updated to the new
iommu DT binding. More drivers like this are likely to follow
for the following merge window, but we should be able to do
those through the iommu maintainer.
Other notable changes are:
* reset controller drivers from the reset maintainer (socfpga, sti, berlin)
* fixes for the keystone navigator driver merged last time
* at91 rtc driver changes related to the at91 cleanups
* ARM perf driver changes from Will Deacon
* updates for the brcmstb_gisb driver
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Merge tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Arnd Bergmann:
"These are changes for drivers that are intimately tied to some SoC and
for some reason could not get merged through the respective subsystem
maintainer tree.
The largest single change here this time around is the Tegra
iommu/memory controller driver, which gets updated to the new iommu DT
binding. More drivers like this are likely to follow for the
following merge window, but we should be able to do those through the
iommu maintainer.
Other notable changes are:
- reset controller drivers from the reset maintainer (socfpga, sti,
berlin)
- fixes for the keystone navigator driver merged last time
- at91 rtc driver changes related to the at91 cleanups
- ARM perf driver changes from Will Deacon
- updates for the brcmstb_gisb driver"
* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (53 commits)
clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers
clocksource: arch_timer: Fix code to use physical timers when requested
memory: Add NVIDIA Tegra memory controller support
bus: brcmstb_gisb: Add register offset tables for older chips
bus: brcmstb_gisb: Look up register offsets in a table
bus: brcmstb_gisb: Introduce wrapper functions for MMIO accesses
bus: brcmstb_gisb: Make the driver buildable on MIPS
of: Add NVIDIA Tegra memory controller binding
ARM: tegra: Move AHB Kconfig to drivers/amba
amba: Add Kconfig file
clk: tegra: Implement memory-controller clock
serial: samsung: Fix serial config dependencies for exynos7
bus: brcmstb_gisb: resolve section mismatch
ARM: common: edma: edma_pm_resume may be unused
ARM: common: edma: add suspend resume hook
powerpc/iommu: Rename iommu_[un]map_sg functions
rtc: at91sam9: add DT bindings documentation
rtc: at91sam9: use clk API instead of relying on AT91_SLOW_CLOCK
ARM: at91: add clk_lookup entry for RTT devices
rtc: at91sam9: rework the Kconfig description
...
|
|
|
Linus Torvalds
|
6cd94d5e57 |
ARM: SoC platform changes for 3.19
New and updated SoC support, notable changes include:
* bcm: brcmstb SMP support
* bcm: initial iproc/cygnus support
* exynos: Exynos4415 SoC support
* exynos: PMU and suspend support for Exynos5420
* exynos: PMU support for Exynos3250
* exynos: pm related maintenance
* imx: new LS1021A SoC support
* imx: vybrid 610 global timer support
* integrator: convert to using multiplatform configuration
* mediatek: earlyprintk support for mt8127/mt8135
* meson: meson8 soc and l2 cache controller support
* mvebu: Armada 38x CPU hotplug support
* mvebu: drop support for prerelease Armada 375 Z1 stepping
* mvebu: extended suspend support, now works on Armada 370/XP
* omap: hwmod related maintenance
* omap: prcm cleanup
* pxa: initial pxa27x DT handling
* rockchip: SMP support for rk3288
* rockchip: add cpu frequency scaling support
* shmobile: r8a7740 power domain support
* shmobile: various small restart, timer, pci apmu changes
* sunxi: Allwinner A80 (sun9i) earlyprintk support
* ux500: power domain support
Overall, a significant chunk of changes, coming mostly from
the usual suspects: omap, shmobile, samsung and mvebu, all of
which already contain a lot of platform specific code in
arch/arm.
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Merge tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform changes from Arnd Bergmann:
"New and updated SoC support, notable changes include:
- bcm:
brcmstb SMP support
initial iproc/cygnus support
- exynos:
Exynos4415 SoC support
PMU and suspend support for Exynos5420
PMU support for Exynos3250
pm related maintenance
- imx:
new LS1021A SoC support
vybrid 610 global timer support
- integrator:
convert to using multiplatform configuration
- mediatek:
earlyprintk support for mt8127/mt8135
- meson:
meson8 soc and l2 cache controller support
- mvebu:
Armada 38x CPU hotplug support
drop support for prerelease Armada 375 Z1 stepping
extended suspend support, now works on Armada 370/XP
- omap:
hwmod related maintenance
prcm cleanup
- pxa:
initial pxa27x DT handling
- rockchip:
SMP support for rk3288
add cpu frequency scaling support
- shmobile:
r8a7740 power domain support
various small restart, timer, pci apmu changes
- sunxi:
Allwinner A80 (sun9i) earlyprintk support
- ux500:
power domain support
Overall, a significant chunk of changes, coming mostly from the usual
suspects: omap, shmobile, samsung and mvebu, all of which already
contain a lot of platform specific code in arch/arm"
* tag 'soc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (187 commits)
ARM: mvebu: use the cpufreq-dt platform_data for independent clocks
soc: integrator: Add terminating entry for integrator_cm_match
ARM: mvebu: add SDRAM controller description for Armada XP
ARM: mvebu: adjust mbus controller description on Armada 370/XP
ARM: mvebu: add suspend/resume DT information for Armada XP GP
ARM: mvebu: synchronize secondary CPU clocks on resume
ARM: mvebu: make sure MMU is disabled in armada_370_xp_cpu_resume
ARM: mvebu: Armada XP GP specific suspend/resume code
ARM: mvebu: reserve the first 10 KB of each memory bank for suspend/resume
ARM: mvebu: implement suspend/resume support for Armada XP
clk: mvebu: add suspend/resume for gatable clocks
bus: mvebu-mbus: provide a mechanism to save SDRAM window configuration
bus: mvebu-mbus: suspend/resume support
clocksource: time-armada-370-xp: add suspend/resume support
irqchip: armada-370-xp: Add suspend/resume support
ARM: add lolevel debug support for asm9260
ARM: add mach-asm9260
ARM: EXYNOS: use u8 for val[] in struct exynos_pmu_conf
power: reset: imx-snvs-poweroff: add power off driver for i.mx6
ARM: imx: temporarily remove CONFIG_SOC_FSL from LS1021A
...
|
|
|
Linus Torvalds
|
0a9e0acddb |
ARM: SoC non-critical bug fixes for 3.19
These are bug fixes for harmless problems that were not important
enough to get fixed in 3.19. This contains updates to the MAINTAINERS
file, in particular:
- Ben Dooks stepped down as Samsung co-maintainer (thanks Ben for
long years of maintaining this). Kukjin Kim, who has been
doing the work de-facto by himself recently is now the
only maintainer.
- Liviu, Sudeep and Lorenzo from ARM now officially maintain the
Versatile Express platform, which was orphaned (thanks for
- Gregory Fong and Florian Fainelli help out on the Broadcom BCM7XXX
platform
- Ray Jui and Scott Branden are the future maintainers for the
newly merged Broadcom Cygnus platform. Welcome!
In terms of actual fixes, we have the usual set of OMAP bug fixes,
which Tony Lindgren separates out well from the other OMAP changes,
one really ep93xx regression fix against 3.11 that didn't make it for
3.18, a few GIC changes from Marc Zyngier as a preparation for
later rework (the current code is wrong in a harmless way), on
Tegra regression and one samsung spelling fix.
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Merge tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-critical bug fixes from Arnd Bergmann:
"These are bug fixes for harmless problems that were not important
enough to get fixed in 3.19. This contains updates to the MAINTAINERS
file, in particular:
- Ben Dooks stepped down as Samsung co-maintainer (thanks Ben for
long years of maintaining this). Kukjin Kim, who has been doing
the work de-facto by himself recently is now the only maintainer.
- Liviu, Sudeep and Lorenzo from ARM now officially maintain the
Versatile Express platform, which was orphaned (thanks for
- Gregory Fong and Florian Fainelli help out on the Broadcom BCM7XXX
platform
- Ray Jui and Scott Branden are the future maintainers for the newly
merged Broadcom Cygnus platform. Welcome!
In terms of actual fixes, we have the usual set of OMAP bug fixes,
which Tony Lindgren separates out well from the other OMAP changes,
one really ep93xx regression fix against 3.11 that didn't make it for
3.18, a few GIC changes from Marc Zyngier as a preparation for later
rework (the current code is wrong in a harmless way), on Tegra
regression and one samsung spelling fix"
* tag 'fixes-nc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: imx6: fix bogus use of irq_get_irq_data
ARM: imx: irq: fix buggy usage of irq_data irq field
MAINTAINERS: ARM Versatile Express platform, add missing pattern
MAINTAINERS: ARM Versatile Express platform
arm: ep93xx: add dma_masks for the M2P and M2M DMA controllers
MAINTAINERS: Add ahci_st.c to ARCH/STI architecture
MAINTAINERS: add entry for the GISB arbiter driver
MAINTAINERS: update brcmstb entries
MAINTAINERS: update email address and cleanup for exynos entry
ARM: tegra: Re-add removed SoC id macro to tegra_resume()
MAINTAINERS: Entry for Cygnus/iproc arm architecture
ARM: OMAP: serial: remove last vestige of DTR_gpio support.
ARM: OMAP2+: gpmc: Get rid of "ti,elm-id not found" warning
ARM: EXYNOS: fix typo in static struct name "exynos5_list_diable_wfi_wfe"
ARM: OMAP2: Remove unnecessary KERN_* in omap_phy_internal.c
ARM: OMAP4+: Remove unused omap_l3_noc platform init
ARM: dts: Add twl keypad map for omap3 EVM
ARM: dts: Add twl keypad map for LDP
ARM: dts: Fix NAND last partition size on LDP
ARM: OMAP3: Fix errors for omap_l3_smx when booted with device tree
|
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Rafael J. Wysocki
|
648fcab2b0 |
Merge branch 'pm-cpuidle'
* pm-cpuidle: cpuidle: add MAINTAINERS entry for ARM Exynos cpuidle driver drivers: cpuidle: Remove cpuidle-arm64 duplicate error messages drivers: cpuidle: Add idle-state-name description to ARM idle states drivers: cpuidle: Add status property to ARM idle states cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic |
|
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Marc Zyngier
|
9a343b9eb8 |
ARM: tegra: irq: fix buggy usage of irq_data irq field
The crazy gic_arch_extn thing that Tegra uses contains multiple
references to the irq field in struct irq_data, and uses this
to directly poke hardware register.
But irq is the *virtual* irq number, something that has nothing
to do with the actual HW irq (stored in the hwirq field). And once
we put the stacked domain code in action, the whole thing explodes,
as these two values are *very* different:
root@bacon-fat:~# cat /proc/interrupts
CPU0 CPU1
16: 25801 2075 GIC 29 twd
17: 0 0 GIC 73 timer0
112: 0 0 GPIO 58 c8000600.sdhci cd
123: 0 0 GPIO 69 c8000200.sdhci cd
279: 1126 0 GIC 122 serial
281: 0 0 GIC 70 7000c000.i2c
282: 0 0 GIC 116 7000c400.i2c
283: 0 0 GIC 124 7000c500.i2c
284: 300 0 GIC 85 7000d000.i2c
[...]
Just replacing all instances of irq with hwirq fixes the issue.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
|
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Thierry Reding
|
bd968d59ad |
ARM: tegra: Move AHB Kconfig to drivers/amba
This will allow the Kconfig option to be shared among 32-bit and 64-bit ARM. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Dmitry Osipenko
|
e4a680099a |
ARM: tegra: Re-add removed SoC id macro to tegra_resume()
Commit |
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Daniel Lezcano
|
b82b6cca48 |
cpuidle: Invert CPUIDLE_FLAG_TIME_VALID logic
The only place where the time is invalid is when the ACPI_CSTATE_FFH entry method is not set. Otherwise for all the drivers, the time can be correctly measured. Instead of duplicating the CPUIDLE_FLAG_TIME_VALID flag in all the drivers for all the states, just invert the logic by replacing it by the flag CPUIDLE_FLAG_TIME_INVALID, hence we can set this flag only for the acpi idle driver, remove the former flag from all the drivers and invert the logic with this flag in the different governor. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
|
|
Bartlomiej Zolnierkiewicz
|
0b7778a801 |
ARM: firmware: add AFTR mode support to firmware do_idle method
On some platforms (i.e. EXYNOS ones) more than one idle mode is available and we need to distinguish them in firmware do_idle method. Add mode parameter to do_idle firmware method and AFTR mode support to EXYNOS do_idle implementation. This change is a preparation for adding secure firmware support to EXYNOS cpuidle driver. This patch shouldn't cause any functionality changes. Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> |
|
|
Thierry Reding
|
783944feaa |
ARM: tegra: Initialize flow controller from DT
Use a matching device tree node to initialize the flow controller driver instead of hard-coding the I/O address. This is necessary to get rid of the iomap.h include, which in turn make it easier to share this code with 64-bit Tegra SoCs. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> |
|
|
Linus Torvalds
|
06b49ea43c |
This is the bulk of GPIO changes for the v3.17 development
cycle, and this time we got a lot of action going on and
it will continue:
- The core GPIO library implementation has been split up in
three different files:
- gpiolib.c for the latest and greatest and shiny GPIO
library code using GPIO descriptors only
- gpiolib-legacy.c for the old integer number space API
that we are phasing out gradually
- gpiolib-sysfs.c for the sysfs interface that we are
not entirely happy with, but has to live on for
ABI compatibility
- Add a flags argument to *gpiod_get* functions, with some
backward-compatibility macros to ease transitions. We
should have had the flags there from the beginning it
seems, now we need to clean up the mess. There is a plan
on how to move forward here devised by Alexandre Courbot
and Mark Brown.
- Split off a special <linux/gpio/machine.h> header for the
board gpio table registration, as per example from the
regulator subsystem.
- Start to kill off the return value from gpiochip_remove()
by removing the __must_check attribute and removing all
checks inside the drivers/gpio directory. The rationale
is: well what were we supposed to do if there is an error
code? Not much: print an error message. And gpiolib already
does that. So make this function return void eventually.
- Some cleanups of hairy gpiolib code, make some functions
not to be used outside the library private and make sure
they are not exported, remove gpiod_lock/unlock_as_irq()
as the existing function is for driver-internal use and
fine as it is, delete gpio_ensure_requested() as it is
not meaningful anymore.
- Support the GPIOF_ACTIVE_LOW flag from gpio_request_one()
function calls, which is logical since this is already
supported when referencing GPIOs from e.g. device trees.
- Switch STMPE, intel-mid, lynxpoint and ACPI (!) to use
the gpiolib irqchip helpers cutting down on GPIO irqchip
boilerplate a bit more.
- New driver for the Zynq GPIO block.
- The usual incremental improvements around a bunch of
drivers.
- Janitorial syntactic and semantic cleanups by Jingoo Han,
and Rickard Strandqvist especially.
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Merge tag 'gpio-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO update from Linus Walleij:
"This is the bulk of GPIO changes for the v3.17 development cycle, and
this time we got a lot of action going on and it will continue:
- The core GPIO library implementation has been split up in three
different files:
- gpiolib.c for the latest and greatest and shiny GPIO library code
using GPIO descriptors only
- gpiolib-legacy.c for the old integer number space API that we are
phasing out gradually
- gpiolib-sysfs.c for the sysfs interface that we are not entirely
happy with, but has to live on for ABI compatibility
- Add a flags argument to *gpiod_get* functions, with some
backward-compatibility macros to ease transitions. We should have
had the flags there from the beginning it seems, now we need to
clean up the mess. There is a plan on how to move forward here
devised by Alexandre Courbot and Mark Brown
- Split off a special <linux/gpio/machine.h> header for the board
gpio table registration, as per example from the regulator
subsystem
- Start to kill off the return value from gpiochip_remove() by
removing the __must_check attribute and removing all checks inside
the drivers/gpio directory. The rationale is: well what were we
supposed to do if there is an error code? Not much: print an error
message. And gpiolib already does that. So make this function
return void eventually
- Some cleanups of hairy gpiolib code, make some functions not to be
used outside the library private and make sure they are not
exported, remove gpiod_lock/unlock_as_irq() as the existing
function is for driver-internal use and fine as it is, delete
gpio_ensure_requested() as it is not meaningful anymore
- Support the GPIOF_ACTIVE_LOW flag from gpio_request_one() function
calls, which is logical since this is already supported when
referencing GPIOs from e.g. device trees
- Switch STMPE, intel-mid, lynxpoint and ACPI (!) to use the gpiolib
irqchip helpers cutting down on GPIO irqchip boilerplate a bit more
- New driver for the Zynq GPIO block
- The usual incremental improvements around a bunch of drivers
- Janitorial syntactic and semantic cleanups by Jingoo Han, and
Rickard Strandqvist especially"
* tag 'gpio-v3.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (37 commits)
MAINTAINERS: update GPIO include files
gpio: add missing includes in machine.h
gpio: add flags argument to gpiod_get*() functions
MAINTAINERS: Update Samsung pin control entry
gpio / ACPI: Move event handling registration to gpiolib irqchip helpers
gpio: lynxpoint: Convert to use gpiolib irqchip
gpio: split gpiod board registration into machine header
gpio: remove gpio_ensure_requested()
gpio: remove useless check in gpiolib_sysfs_init()
gpiolib: Export gpiochip_request_own_desc and gpiochip_free_own_desc
gpio: move gpio_ensure_requested() into legacy C file
gpio: remove gpiod_lock/unlock_as_irq()
gpio: make gpiochip_get_desc() gpiolib-private
gpio: simplify gpiochip_export()
gpio: remove export of private of_get_named_gpio_flags()
gpio: Add support for GPIOF_ACTIVE_LOW to gpio_request_one functions
gpio: zynq: Clear pending interrupt when enabling a IRQ
gpio: drop retval check enforcing from gpiochip_remove()
gpio: remove all usage of gpio_remove retval in driver/gpio
devicetree: Add Zynq GPIO devicetree bindings documentation
...
|
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Linus Torvalds
|
44c916d58b |
ARM: SoC cleanups for 3.17
This merge window brings a good size of cleanups on various
platforms. Among the bigger ones:
* Removal of Samsung s5pc100 and s5p64xx platforms. Both of these have
lacked active support for quite a while, and after asking around nobody
showed interest in keeping them around. If needed, they could be
resurrected in the future but it's more likely that we would prefer
reintroduction of them as DT and multiplatform-enabled platforms
instead.
* OMAP4 controller code register define diet. They defined a lot of registers
that were never actually used, etc.
* Move of some of the Tegra platform code (PMC, APBIO, fuse, powergate)
to drivers/soc so it can be shared with 64-bit code. This also converts them
over to traditional driver models where possible.
* Removal of legacy gpio-samsung driver, since the last users have been
removed (moved to pinctrl)
Plus a bunch of smaller changes for various platforms that sort of
dissapear in the diffstat for the above. clps711x cleanups, shmobile
header file refactoring/moves for multiplatform friendliness, some misc
cleanups, etc.
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Merge tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"This merge window brings a good size of cleanups on various platforms.
Among the bigger ones:
- Removal of Samsung s5pc100 and s5p64xx platforms. Both of these
have lacked active support for quite a while, and after asking
around nobody showed interest in keeping them around. If needed,
they could be resurrected in the future but it's more likely that
we would prefer reintroduction of them as DT and
multiplatform-enabled platforms instead.
- OMAP4 controller code register define diet. They defined a lot of
registers that were never actually used, etc.
- Move of some of the Tegra platform code (PMC, APBIO, fuse,
powergate) to drivers/soc so it can be shared with 64-bit code.
This also converts them over to traditional driver models where
possible.
- Removal of legacy gpio-samsung driver, since the last users have
been removed (moved to pinctrl)
Plus a bunch of smaller changes for various platforms that sort of
dissapear in the diffstat for the above. clps711x cleanups, shmobile
header file refactoring/moves for multiplatform friendliness, some
misc cleanups, etc"
* tag 'cleanup-for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (117 commits)
drivers: CCI: Correct use of ! and &
video: clcd-versatile: Depend on ARM
video: fix up versatile CLCD helper move
MAINTAINERS: Add sdhci-st file to ARCH/STI architecture
ARM: EXYNOS: Fix build breakge with PM_SLEEP=n
MAINTAINERS: Remove Kirkwood
ARM: tegra: Convert PMC to a driver
soc/tegra: fuse: Set up in early initcall
ARM: tegra: Always lock the CPU reset vector
ARM: tegra: Setup CPU hotplug in a pure initcall
soc/tegra: Implement runtime check for Tegra SoCs
soc/tegra: fuse: fix dummy functions
soc/tegra: fuse: move APB DMA into Tegra20 fuse driver
soc/tegra: Add efuse and apbmisc bindings
soc/tegra: Add efuse driver for Tegra
ARM: tegra: move fuse exports to soc/tegra/fuse.h
ARM: tegra: export apb dma readl/writel
ARM: tegra: Use a function to get the chip ID
ARM: tegra: Sort includes alphabetically
ARM: tegra: Move includes to include/soc/tegra
...
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Linus Walleij
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0a6d315827 |
gpio: split gpiod board registration into machine header
As per example from the regulator subsystem: put all defines and functions related to registering board info for GPIO descriptors into a separate <linux/gpio/machine.h> header. Cc: Andrew Victor <linux@maxim.org.za> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Thierry Reding <thierry.reding@gmail.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Reviewed-by: Alexandre Courbot <gnurou@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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Olof Johansson
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c6b659c005 |
ARM: tegra: core code changes for 3.17
Some of the code that's currently called from the Tegra machine setup code is moved to regular initcalls. To catch dependency violations, the various code paths now WARN if they're called to early. Not all of the potential candidates are converted yet, but those that were have been verified to work across all supported Tegra generations. A new function, soc_is_tegra(), is also provided to make sure that the initcalls can abort early if they aren't run on Tegra, which can happen for multi-platform builds. Finally this also moves out the PMC driver to drivers/soc/tegra so that it can be shared with 64-bit ARM. This is based on the for-3.17/fuse-move branch. The split is somewhat arbitrary but allows the dependents of the for-3.17/fuse-move to pull in as little code as necessary. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIbBAABAgAGBQJTySPxAAoJEN0jrNd/PrOhVIAP+N6yVxQa/8sMYpy7ohr2b/ZP IcevK+9Q3mZYzxVoI1am1p11louZgGFE11yuvI2kmjTLg9UcFC+O6iEc05XvIIIC nVLg4V1F5VWyv0BtnqTAuMX+hOqj9ZFx5Xuq0rpulKLs9aygkKEJnI0eOyMDbnAN OsGmhOeblZkgS0Gk9Dg9NiFPpQ/sl6LRZDoVpYA+fKEb6SCxei5Z48aaUhhHwq2k IVQUcMWz9k4mPjWO9OcO2gkDaq79OYWzk/DP4hFk5telZAkGjJg+UdNWIXSPg9A/ sjMxpkRpTR8sDVPZ3n1YnxJ9sUV3Q88SmN+x78W0QGNbLxELU8Fhd2xPVrA2PAIG +uP0DKkrDi+AV3euEBOIOKTMptrgGDPigT+b127vxUigbQ3D90SV9xN0+/+NaLcv J3msHcjFo9IW03a5q8DBdkeIy4xs7uZW9uR72ie1uUtv2oLkoS/qrwxauj3x8J52 dqtY98xCPtFQnR2HyT7VRLBibGq0zelQ9aYENy5Su+3UI73AIG15ztzrOcEvN8Cc DAbBKgix63TlJF51VlCCLGUMpt1StDoia8A3iMIqNEu/CJqXaqQ/77im4KGybqgm JoH7OHVhewDBxVg2XfwcDX8TnmMQjLTMkzLG8oSg7uAqyrJm0xkC7ttx4gPRlSJX kEQrfqyjbL3C42+4lgc= =w/53 -----END PGP SIGNATURE----- Merge tag 'tegra-for-3.17-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/cleanup Merge "ARM: tegra: core code changes for 3.17" from Thierry Reding: Some of the code that's currently called from the Tegra machine setup code is moved to regular initcalls. To catch dependency violations, the various code paths now WARN if they're called to early. Not all of the potential candidates are converted yet, but those that were have been verified to work across all supported Tegra generations. A new function, soc_is_tegra(), is also provided to make sure that the initcalls can abort early if they aren't run on Tegra, which can happen for multi-platform builds. Finally this also moves out the PMC driver to drivers/soc/tegra so that it can be shared with 64-bit ARM. This is based on the for-3.17/fuse-move branch. The split is somewhat arbitrary but allows the dependents of the for-3.17/fuse-move to pull in as little code as necessary. * tag 'tegra-for-3.17-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: ARM: tegra: Convert PMC to a driver soc/tegra: fuse: Set up in early initcall ARM: tegra: Always lock the CPU reset vector ARM: tegra: Setup CPU hotplug in a pure initcall soc/tegra: Implement runtime check for Tegra SoCs Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
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23e892929e |
ARM: tegra: move fuse code out of arch/arm
This branch moves code related to the Tegra fuses out of arch/arm and into a centralized location which could be shared with ARM64. It also adds support for reading the fuse data through sysfs. Included is also some preparatory work that moves Tegra-related header files from include/linux to include/soc/tegra as suggested by Arnd. Furthermore the Tegra chip ID is now retrieved using a function rather than a variable so that sanity checks can be done. This is convenient in subsequent patches that will move some of the code that's currently called from Tegra machine setup into regular initcalls so that it can be reused on 64-bit ARM. The sanity checks help with verifying that no code tries to obtain the Tegra chip ID before the underlying driver is properly initialized. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJTyR7HAAoJEN0jrNd/PrOhXRoQAKIs/o8Xf6aTb48OOODFt8g0 3GiKaYfVPk6VzkrhywmulOndmYy9BjLwhX2jnPgPzFbM5h2jk39/PK3RtssD92Wm sHbDflbCj+gaLvjETbTWtYbbYmejqp2xhte/F+MMT0QJKl8BjmyO6WOoUL1+QEyW p+OUYRgasmyAiq7qov1MeMW+edNqFHhHpmnsva62NUbcOaKTJ6U6antm79PoAA9M Da3UScoX9BxqsyuxBteLdcpgSgOHjW/eLz9xHVf5gtG4ZsTjkWFRyP9wwY6rCxij +6cMvKs8OT2y+TjQ6qv5/Zu+XbXGbo2yujnK2oFkLsST/LWobGfuGXUp/K7CkkKJ 0wgZS1t2iT3RXSQn/Fz8zJx9j0q3GJmvMFmdrOAh8Vx6ucP1m8DZ4noms37D0+Wn 2HSW55sAXIUFALZgOiVRq0GXtw/iA76S9GtjfFWkCkyGV4WLH6C1NSoojvmXWQ3U QQWlpGODQFYUTDUhwh6/T3cP7Ip12W9OU2eTNfdgn8D+PU16CPSfdXN6JWxBI13L vVUxWMm9JG+QkbSjfw4q2A0dHEu6lssmOSvMjU6pm5v6xCfry6Fn6m3vBBU3OpLx mOge6U696hwL3tNMuwfsIVFNQpoHJT+2Saq71jS+XZeGn+5wC3ovejREls0HIzze kwHNIuMygB78uVwWyMJr =XyRE -----END PGP SIGNATURE----- Merge tag 'tegra-for-3.17-fuse-move' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/cleanup Merge "ARM: tegra: move fuse code out of arch/arm" from Thierry Reding: This branch moves code related to the Tegra fuses out of arch/arm and into a centralized location which could be shared with ARM64. It also adds support for reading the fuse data through sysfs. Included is also some preparatory work that moves Tegra-related header files from include/linux to include/soc/tegra as suggested by Arnd. Furthermore the Tegra chip ID is now retrieved using a function rather than a variable so that sanity checks can be done. This is convenient in subsequent patches that will move some of the code that's currently called from Tegra machine setup into regular initcalls so that it can be reused on 64-bit ARM. The sanity checks help with verifying that no code tries to obtain the Tegra chip ID before the underlying driver is properly initialized. * tag 'tegra-for-3.17-fuse-move' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: soc/tegra: fuse: fix dummy functions soc/tegra: fuse: move APB DMA into Tegra20 fuse driver soc/tegra: Add efuse and apbmisc bindings soc/tegra: Add efuse driver for Tegra ARM: tegra: move fuse exports to soc/tegra/fuse.h ARM: tegra: export apb dma readl/writel ARM: tegra: Use a function to get the chip ID ARM: tegra: Sort includes alphabetically ARM: tegra: Move includes to include/soc/tegra Signed-off-by: Olof Johansson <olof@lixom.net> |
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Russell King
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6ebbf2ce43 |
ARM: convert all "mov.* pc, reg" to "bx reg" for ARMv6+
ARMv6 and greater introduced a new instruction ("bx") which can be used
to return from function calls. Recent CPUs perform better when the
"bx lr" instruction is used rather than the "mov pc, lr" instruction,
and this sequence is strongly recommended to be used by the ARM
architecture manual (section A.4.1.1).
We provide a new macro "ret" with all its variants for the condition
code which will resolve to the appropriate instruction.
Rather than doing this piecemeal, and miss some instances, change all
the "mov pc" instances to use the new macro, with the exception of
the "movs" instruction and the kprobes code. This allows us to detect
the "mov pc, lr" case and fix it up - and also gives us the possibility
of deploying this for other registers depending on the CPU selection.
Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Stephen Warren <swarren@nvidia.com> # Tegra Jetson TK1
Tested-by: Robert Jarzmik <robert.jarzmik@free.fr> # mioa701_bootresume.S
Tested-by: Andrew Lunn <andrew@lunn.ch> # Kirkwood
Tested-by: Shawn Guo <shawn.guo@freescale.com>
Tested-by: Tony Lindgren <tony@atomide.com> # OMAPs
Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> # Armada XP, 375, 385
Acked-by: Sekhar Nori <nsekhar@ti.com> # DaVinci
Acked-by: Christoffer Dall <christoffer.dall@linaro.org> # kvm/hyp
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com> # PXA3xx
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> # Xen
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> # ARMv7M
Tested-by: Simon Horman <horms+renesas@verge.net.au> # Shmobile
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Thierry Reding
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7232398abc |
ARM: tegra: Convert PMC to a driver
This commit converts the PMC support code to a platform driver. Because the boot process needs to call into this driver very early, also set up a minimal environment via an early initcall. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Thierry Reding
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24fa5af810 |
soc/tegra: fuse: Set up in early initcall
Rather than rely on explicit initialization order called from SoC setup code, use a plain initcall and rely on initcall ordering to take care of dependencies. This driver exposes some functionality (querying the chip ID) needed at very early stages of the boot process. An early initcall is good enough provided that some of the dependencies are deferred to later stages. To make sure any abuses are easily caught, output a warning message if the chip ID is queried while it can't be read yet. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Thierry Reding
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c090e11163 |
ARM: tegra: Always lock the CPU reset vector
Currently the reset vector is not locked on Tegra20 because the hardware doesn't support it. However in order not to depend on the chip ID, which becomes available only later in the boot process, we set the bit anyway. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Thierry Reding
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05ccf19602 |
ARM: tegra: Setup CPU hotplug in a pure initcall
CPU hotplug support doesn't have to be set up until fairly late in the boot process, so it can be done in a regular initcall. To make sure that we don't miss any ordering problems in the future, output a warning if any of the functions are called before initialization has completed. This is part of untangling the boot order dependencies on Tegra so that more code can be shared between 32-bit and 64-bit ARM. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Peter De Schrijver
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0d827a4343 |
soc/tegra: fuse: move APB DMA into Tegra20 fuse driver
The Tegra20 fuse driver is the only user of tegra_apb_readl_using_dma(). Therefore we can simply the code by incorporating the APB DMA handling into the driver directly. tegra_apb_writel_using_dma() is dropped because there are no users. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Peter De Schrijver
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783c8f4c84 |
soc/tegra: Add efuse driver for Tegra
Implement fuse driver for Tegra20, Tegra30, Tegra114 and Tegra124. This replaces functionality previously provided in arch/arm/mach-tegra, which is removed in this patch. While at it, move the only user of the global tegra_revision variable over to tegra_sku_info.revision and export tegra_fuse_readl() to allow drivers to read calibration fuses. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Peter De Schrijver
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35874f3617 |
ARM: tegra: move fuse exports to soc/tegra/fuse.h
All fuse related functionality will move to a driver in the following
patches. To prepare for this, export all the required functionality in a
global header file and move all users of fuse.h to soc/tegra/fuse.h.
While we're at it, remove tegra_bct_strapping, as its only user was
removed in Commit
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Peter De Schrijver
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3f394f8064 |
ARM: tegra: export apb dma readl/writel
Export APB DMA readl and writel. These are needed because we can't access the fuses directly on Tegra20 without potentially causing a system hang. Also have the APB DMA readl and writel return an error in case of a read failure instead of just returning zero or ignore write failures. Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Thierry Reding
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304664eab9 |
ARM: tegra: Use a function to get the chip ID
Instead of using a simple variable access to get at the Tegra chip ID, use a function so that we can run additional code. This can be used to determine where the chip ID is being accessed without being available. That in turn will be handy for resolving boot sequence dependencies in order to convert more code to regular initcalls rather than a sequence fixed by Tegra SoC setup code. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Thierry Reding
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a0524acc94 |
ARM: tegra: Sort includes alphabetically
If these aren't sorted alphabetically, then the logical choice is to append new ones, however that creates a lot of potential for conflicts because every change will then add new includes in the same location. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Thierry Reding
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306a7f9139 |
ARM: tegra: Move includes to include/soc/tegra
In order to not clutter the include/linux directory with SoC specific headers, move the Tegra-specific headers out into a separate directory. Signed-off-by: Thierry Reding <treding@nvidia.com> |
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Linus Torvalds
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58c72f94ef |
ARM: SoC fixes for 3.16
A first set of bug fixes that didn't make it for the merge window, and two Kconfig cleanups that still make sense at this point. Unfortunately, one of the two cleanups caused an unintended change in the original version, so we had to revert one part of it and do some more testing to ensure the rest is really fine. There was also a last-minute rebase of the patches to remove another bad commit. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIVAwUAU6BdV2CrR//JCVInAQJHhRAAuBdFsBo1TuP/s45PHzcldEcmrlMa2aNx 5t+qGxaYJW3DppW5Ql4L3O/74au77AcPpto8CwTRzshb2peXYwJ40RQXAyxPyE4z a2yjtz7VwX5P/BNjQZJ1OZLuMiMbVVz3ObIpNiPzooXm/y52ZZQ20AALmJcX7mor tAmdw3qmvy0L9SYikKd8qKuDTMLV6MWexa/fZn5AA5w11V3DWr/++/6+3g4+tQs8 N8l5vk9Ok/5l+f67Ta0+R4Vh9OIcLnwYSzOKKhKebwMvxXcwPEz5HfmOSH/m3Zu1 /dC4jWwB6Z95bevhJCoNaIf9b6s29EYy2lHw3nVRiQEFTmFACNgWjqFjiKa0aune 2cKAPZAf3w8R15LveT9SuSwtuH8yVFVHqOyzUlxmbFszIqgzKxF933R7SSxQpLTn od5QVOqxMAMd4s6Jij7xgoF5GkvlKpfqEERKSz/Gt7I+ZINcxRhXXL55emy6IGmx jjhQa83mMgFS70Ys4ARB0Fcd1Em4v/fCPJE8UpSQHQOG3fq3QcdyxsKG0cHUJNK6 ubS8W/XpQWvowJZ1YcnpYs3zAYchwueNPyCXVX9Hs3BTx7/3wnFfUNbdduD2GRVu iruBt+B/4KLHmiLQyt1TqZO1elel/CT/ARGvRjo8zMFoo2WXbopv1pjm7AQQ0SSb CtK7u+xxUa8= =/Ylr -----END PGP SIGNATURE----- Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Arnd Bergmann: "A first set of bug fixes that didn't make it for the merge window, and two Kconfig cleanups that still make sense at this point. Unfortunately, one of the two cleanups caused an unintended change in the original version, so we had to revert one part of it and do some more testing to ensure the rest is really fine. There was also a last-minute rebase of the patches to remove another bad commit" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: use menuconfig for sub-arch menus ARM: multi_v7_defconfig: re-enable SDHCI drivers ARM: EXYNOS: Fix compilation warning ARM: exynos: move sysram info to exynos.c ARM: dts: Specify the NAND ECC scheme explicitly on Armada 385 DB board ARM: dts: Specify the NAND ECC scheme explicitly on Armada 375 DB board ARM: exynos: cleanup kconfig option display misc: vexpress: fix error handling vexpress_syscfg_regmap_init() ARM: Remove ARCH_HAS_CPUFREQ config option ARM: integrator: fix section mismatch problem ARM: mvebu: DT: fix OpenBlocks AX3-4 RAM size ARM: samsung: make SAMSUNG_DMADEV optional remoteproc: da8xx: don't select CMA on no-MMU bus/arm-cci: add dependency on OF && CPU_V7 ARM: keystone requires ARM_PATCH_PHYS_VIRT ARM: omap2: fix am43xx dependency on l2x0 cache |
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Rob Herring
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21278aeafb |
ARM: use menuconfig for sub-arch menus
The System Type menu is getting quite long with platforms and is inconsistent in handling of sub-arch specific options. Tidy up the menu by making platform options a menuconfig entry containing any platform specific config items. [arnd: change OMAP part according to suggestion from Tony Lindgren <tony@atomide.com>] Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Stephen Boyd
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19682f72f5 |
ARM: Remove ARCH_HAS_CPUFREQ config option
This config exists entirely to hide the cpufreq menu from the kernel configuration unless a platform has selected it. Nothing is actually built if this config is 'Y' and it just leads to more patches that add a select under a platform Kconfig so that some other CPUfreq option can be chosen. Let's remove the option so that we can always enable CPUfreq drivers on ARM platforms. Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Linus Torvalds
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f9da455b93 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.
2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
Benniston.
3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
Mork.
4) BPF now has a "random" opcode, from Chema Gonzalez.
5) Add more BPF documentation and improve test framework, from Daniel
Borkmann.
6) Support TCP fastopen over ipv6, from Daniel Lee.
7) Add software TSO helper functions and use them to support software
TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia.
8) Support software TSO in fec driver too, from Nimrod Andy.
9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.
10) Handle broadcasts more gracefully over macvlan when there are large
numbers of interfaces configured, from Herbert Xu.
11) Allow more control over fwmark used for non-socket based responses,
from Lorenzo Colitti.
12) Do TCP congestion window limiting based upon measurements, from Neal
Cardwell.
13) Support busy polling in SCTP, from Neal Horman.
14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.
15) Bridge promisc mode handling improvements from Vlad Yasevich.
16) Don't use inetpeer entries to implement ID generation any more, it
performs poorly, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
tcp: fixing TLP's FIN recovery
net: fec: Add software TSO support
net: fec: Add Scatter/gather support
net: fec: Increase buffer descriptor entry number
net: fec: Factorize feature setting
net: fec: Enable IP header hardware checksum
net: fec: Factorize the .xmit transmit function
bridge: fix compile error when compiling without IPv6 support
bridge: fix smatch warning / potential null pointer dereference
via-rhine: fix full-duplex with autoneg disable
bnx2x: Enlarge the dorq threshold for VFs
bnx2x: Check for UNDI in uncommon branch
bnx2x: Fix 1G-baseT link
bnx2x: Fix link for KR with swapped polarity lane
sctp: Fix sk_ack_backlog wrap-around problem
net/core: Add VF link state control policy
net/fsl: xgmac_mdio is dependent on OF_MDIO
net/fsl: Make xgmac_mdio read error message useful
net_sched: drr: warn when qdisc is not work conserving
...
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Linus Torvalds
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eb3d3ec567 |
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into next
Pull ARM updates from Russell King: - Major clean-up of the L2 cache support code. The existing mess was becoming rather unmaintainable through all the additions that others have done over time. This turns it into a much nicer structure, and implements a few performance improvements as well. - Clean up some of the CP15 control register tweaks for alignment support, moving some code and data into alignment.c - DMA properties for ARM, from Santosh and reviewed by DT people. This adds DT properties to specify bus translations we can't discover automatically, and to indicate whether devices are coherent. - Hibernation support for ARM - Make ftrace work with read-only text in modules - add suspend support for PJ4B CPUs - rework interrupt masking for undefined instruction handling, which allows us to enable interrupts earlier in the handling of these exceptions. - support for big endian page tables - fix stacktrace support to exclude stacktrace functions from the trace, and add save_stack_trace_regs() implementation so that kprobes can record stack traces. - Add support for the Cortex-A17 CPU. - Remove last vestiges of ARM710 support. - Removal of ARM "meminfo" structure, finally converting us solely to memblock to handle the early memory initialisation. * 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: (142 commits) ARM: ensure C page table setup code follows assembly code (part II) ARM: ensure C page table setup code follows assembly code ARM: consolidate last remaining open-coded alignment trap enable ARM: remove global cr_no_alignment ARM: remove CPU_CP15 conditional from alignment.c ARM: remove unused adjust_cr() function ARM: move "noalign" command line option to alignment.c ARM: provide common method to clear bits in CPU control register ARM: 8025/1: Get rid of meminfo ARM: 8060/1: mm: allow sub-architectures to override PCI I/O memory type ARM: 8066/1: correction for ARM patch 8031/2 ARM: 8049/1: ftrace/add save_stack_trace_regs() implementation ARM: 8065/1: remove last use of CONFIG_CPU_ARM710 ARM: 8062/1: Modify ldrt fixup handler to re-execute the userspace instruction ARM: 8047/1: rwsem: use asm-generic rwsem implementation ARM: l2c: trial at enabling some Cortex-A9 optimisations ARM: l2c: add warnings for stuff modifying aux_ctrl register values ARM: l2c: print a warning with L2C-310 caches if the cache size is modified ARM: l2c: remove old .set_debug method ARM: l2c: kill L2X0_AUX_CTRL_MASK before anyone else makes use of this ... |
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Linus Torvalds
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825f4e0271 |
ARM: SoC updates for 3.16 (part 1)
A quite large set of SoC updates this cycle. In no particular order:
- Multi-cluster power management for Samsung Exynos, adding support for
big.LITTLE CPU switching on EXYNOS5
- SMP support for Marvell Armada 375 and 38x
- SMP rework on Allwinner A31
- Xilinx Zynq support for SOC_BUS, big endian
- Marvell orion5x platform cleanup, modernizing the implementation and
moving to DT.
- _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
that their platform can be enabled in the same kernel binary as most
of the other v7 platforms in the tree. \o/ The work isn't quite complete,
there's some driver fixes still needed, but the basics now work.
New SoC support added:
- Freescale i.MX6SX
- LSI Axxia AXM55xx SoCs
- Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
- STi STIH407
Plus a large set of various smaller updates for different platforms. I'm
probably missing some important one here.
-----BEGIN PGP SIGNATURE-----
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Merge tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc into next
Pull part one of ARM SoC updates from Olof Johansson:
"A quite large set of SoC updates this cycle. In no particular order:
- Multi-cluster power management for Samsung Exynos, adding support
for big.LITTLE CPU switching on EXYNOS5
- SMP support for Marvell Armada 375 and 38x
- SMP rework on Allwinner A31
- Xilinx Zynq support for SOC_BUS, big endian
- Marvell orion5x platform cleanup, modernizing the implementation
and moving to DT.
- _Finally_ moving Samsung Exynos over to support MULTIPLATFORM, so
that their platform can be enabled in the same kernel binary as
most of the other v7 platforms in the tree. \o/
The work isn't quite complete, there's some driver fixes still
needed, but the basics now work.
New SoC support added:
- Freescale i.MX6SX
- LSI Axxia AXM55xx SoCs
- Samsung EXYNOS 3250, 5260, 5410, 5420 and 5800
- STi STIH407
plus a large set of various smaller updates for different platforms.
I'm probably missing some important one here"
* tag 'soc-for-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (281 commits)
ARM: exynos: don't run exynos4 l2x0 setup on other platforms
ARM: exynos: Fix "allmodconfig" build errors in mcpm and hotplug
ARM: EXYNOS: mcpm rename the power_down_finish
ARM: EXYNOS: Enable mcpm for dual-cluster exynos5800 SoC
ARM: EXYNOS: Enable multi-platform build support
ARM: EXYNOS: Consolidate Kconfig entries
ARM: EXYNOS: Add support for EXYNOS5410 SoC
ARM: EXYNOS: Support secondary CPU boot of Exynos3250
ARM: EXYNOS: Add Exynos3250 SoC ID
ARM: EXYNOS: Add 5800 SoC support
ARM: EXYNOS: initial board support for exynos5260 SoC
clk: exynos5410: register clocks using common clock framework
ARM: debug: qcom: add UART addresses to Kconfig help for APQ8084
ARM: sunxi: allow building without reset controller
Documentation: devicetree: arm: sort enable-method entries
ARM: rockchip: convert smp bringup to CPU_METHOD_OF_DECLARE
clk: exynos5250: Add missing sysmmu clocks for DISP and ISP blocks
ARM: dts: axxia: Add reset controller
power: reset: Add Axxia system reset driver
ARM: axxia: Adding defconfig for AXM55xx
...
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Russell King
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00123d9a8d |
ARM: l2c: tegra: convert to generic l2c OF initialisation
Remove the explicit call to l2x0_of_init(), converting to the generic infrastructure instead. Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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Russell King
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b16cee70fd |
ARM: l2c: tegra: convert to common l2c310 early resume functionality
Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Reviewed-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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Russell King
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f9040550be |
ARM: l2c: tegra: remove cache size override
The cache size should already be present in the L2 cache auxiliary control register: it is part of the integration process to configure the hardware IP. Most platforms get this right, yet still many cargo-cult program, and assume that they always need specifying to the L2 cache code. Remove them so we can find out which really need this. Acked-by: Stephen Warren <swarren@nvidia.com> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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Russell King
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36bccb11a4 |
ARM: l2c: remove platforms/SoCs setting early BRESP
Since we now automatically enable early BRESP in core L2C-310 code when we detect a Cortex-A9, we don't need platforms/SoCs to set this bit explicitly. Instead, they should seek to preserve the value of bit 30 in the auxiliary control register. Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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Russell King
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1a5a954ce0 |
ARM: l2c: fix register naming
We have a mixture of different devices with different register layouts, but we group all the bits together in an opaque mess. Split them out into those which are L2C-310 specific and ones which refer to earlier devices. Provide full auxiliary control register definitions. Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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Will Deacon
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08d38bebb4 |
ARM: kconfig: allow PCI support to be selected with ARCH_MULTIPLATFORM
When targetting ARCH_MULTIPLATFORM, we may include support for SoCs with PCI-capable devices (e.g. mach-virt with virtio-pci). This patch allows PCI support to be selected for these SoCs by selecting CONFIG_MIGHT_HAVE_PCI when CONFIG_ARCH_MULTIPLATFORM=y and removes the individual selections from multi-platform enabled SoCs. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Olof Johansson <olof@lixom.net> |
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John W. Linville
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9db7cb6901 | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem | |
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Olof Johansson
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9706c077d8 |
ARM: tegra: core code changes for 3.16
This branch contains just a single patch this time around. Thierry enhanced Tegra's restart code to allow programming PMC scratch registers to request specific behaviour after reboot. One of the most useful options for mainline software is the ability to reboot directly into USB recovery mode, which e.g. allows the bootloader to be reflashed. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJTdlZ5AAoJEMzrak5tbycxzBYP/3w8M/VNvK79hkPwAzvHUi2U xh4eDX1LrUv8KvXXYCEtZ9+m3fpDSsmUurvAZipBNpdt28ELWKWT9iUQzhmQs0dc 8FqvqRrl1BNeY+35J0wmxrUv7Q2m41AQnOIQmm5VC0WiR5Na4GzUvCqm8GCjrMse TnF3/a12p+IlVxcP966/LFR5H00FPtrhTgi4GiU+jIsqjPNPUw2/6GfV1GzqJscH okJe5uAwDUrJiXvk1oJvyXS9qTLiiC2FOK2iBVzfr6pVo/JBcm4KQuMUnmXtrJau f+juCeM4bLGrNiOZzvgwuhlWCU83GeJ5J5dXKOAsZe/LOvkhiZOOGHMod4hVS3nT BYdv9rL66qHkvNkwxYqxnNOphPpqdrX5PbxOcBKQ4Wq8BCfOmbRvwPUt9YslYEK1 md5/HQCBefyn7B5cjnRc/hUf1pLIH1cqzub2jSYYgiiBV/LBr5mSUZQUqV9cujqI J+Io8txiXkAFZ9hFgny+/knJV4MHhg/d3Ml/EicoGwZeL0mmnbtMc3qvTXkrIca6 DBp8uCe2AP9KrEI3sHxILUyTA45ujPWT5z41v4jvmrTSJ8kQlzlEVqNdASWPxNOH g/wfIJqkY6JvkDJdwGvu1UusjrvuySQRJpLBtMl2N0aVb3JFB4v9GayAn5ijcqof yn2qq5S+NHCMdtp8AnXs =l5yt -----END PGP SIGNATURE----- Merge tag 'tegra-for-3.16-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc Merge "ARM: tegra: core code changes for 3.16" from Stephen Warren: This branch contains just a single patch this time around. Thierry enhanced Tegra's restart code to allow programming PMC scratch registers to request specific behaviour after reboot. One of the most useful options for mainline software is the ability to reboot directly into USB recovery mode, which e.g. allows the bootloader to be reflashed. * tag 'tegra-for-3.16-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: ARM: tegra: Support reboot modes Signed-off-by: Olof Johansson <olof@lixom.net> |
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Thierry Reding
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498bb3da7e |
ARM: tegra: Support reboot modes
The boot ROM on Tegra SoCs supports booting into forced recovery mode (RCM) by setting a bit in the PMC scratch register 0. Similarily, the Android bootloader examines some of the bits in this register to disable autoboot or enter recovery mode. Support these modes by setting the corresponding bits depending on the specified reboot command (forced-recovery, bootloader, recovery). Recent systemd-based distributions allow this to be specified using an optional argument to the reboot command. Signed-off-by: Thierry Reding <treding@nvidia.com> Tested-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> |
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John W. Linville
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68b422db3d | Merge branch 'rfkill-gpio-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next | |
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Paul Bolle
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cab4d50389 |
ARM: tegra: remove TEGRA_EMC_SCALING_ENABLE
Commit
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Heikki Krogerus
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7bd494491b |
ARM: tegra: remove obsolete gpio entries
After moving to description based gpio interface in rfkill-gpio, the gpio numbers are not used any more. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Marc Dietrich <marvin24@gmx.de> Acked-by: Stephen Warren <swarren@nvidia.com> Acked-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> |
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Linus Torvalds
|
ff050ad12c |
ARM: SoC specific changes
Lots of changes specific to one of the SoC families. Some that
stick out are:
* mach-qcom gains new features, most importantly SMP support for
the newer chips (Stephen Boyd, Rohit Vaswani)
* mvebu gains support for three new SoCs: Armada 375, 380 and 385
(Thomas Petazzoni and Free-electrons team)
* SMP support for Rockchips (Heiko Stübner)
* Lots of i.MX changes (Shawn Guo)
* Added support for BCM5301x SoC (Hauke Mehrtens)
* Multiplatform support for Marvell Kirkwood and Dove
(Andrew Lunn and Sebastian Hesselbarth doing the final part
of a long journey)
* Unify davinci platforms and remove obsolete ones (Sekhar Nori,
Arnd Bergmann)
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Merge tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC specific changes from Arnd Bergmann:
"Lots of changes specific to one of the SoC families. Some that stick
out are:
- mach-qcom gains new features, most importantly SMP support for the
newer chips (Stephen Boyd, Rohit Vaswani)
- mvebu gains support for three new SoCs: Armada 375, 380 and 385
(Thomas Petazzoni and Free-electrons team)
- SMP support for Rockchips (Heiko Stübner)
- Lots of i.MX changes (Shawn Guo)
- Added support for BCM5301x SoC (Hauke Mehrtens)
- Multiplatform support for Marvell Kirkwood and Dove (Andrew Lunn
and Sebastian Hesselbarth doing the final part of a long journey)
- Unify davinci platforms and remove obsolete ones (Sekhar Nori, Arnd
Bergmann)"
* tag 'soc-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (126 commits)
ARM: sunxi: Select HAVE_ARM_ARCH_TIMER
ARM: cache-tauros2: remove ARMv6 code
ARM: mvebu: don't select CONFIG_NEON
ARM: davinci: fix DT booting with default defconfig
ARM: configs: bcm_defconfig: enable bcm590xx regulator support
ARM: davinci: remove tnetv107x support
MAINTAINERS: Update ARM STi maintainers
ARM: restrict BCM_KONA_UART to ARCH_BCM_MOBILE
ARM: bcm21664: Add board support.
ARM: sunxi: Add the new watchog compatibles to the reboot code
ARM: enable ARM_HAS_SG_CHAIN for multiplatform
ARM: davinci: remove da8xx_omapl_defconfig
ARM: davinci: da8xx: fix multiple watchdog device registration
ARM: davinci: add da8xx specific configs to davinci_all_defconfig
ARM: davinci: enable da8xx build concurrently with older devices
ARM: BCM5301X: workaround suppress fault
ARM: BCM5301X: add early debugging support
ARM: BCM5301X: initial support for the BCM5301X/BCM470X SoCs with ARM CPU
ARM: mach-bcm: Remove GENERIC_TIME
ARM: shmobile: APMU: Fix warnings due to improper printk formats
...
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Linus Torvalds
|
dfc25e4503 |
ARM: SoC: cleanups for 3.15
These cleanup patches are mainly move stuff around and should all
be harmless. They are mainly split out so that other branches can
be based on top to avoid conflicts.
Notable changes are:
* We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
longer used. (Uwe Kleine-König)
* The Qualcomm MSM platform is split out into legacy mach-msm and
new-style mach-qcom, to allow easier maintainance of the new
hardware support without regressions. (Kumar Gala)
* A rework of some of the Kconfig logic to simplify multiplatform
support (Rob Herring)
* Samsung Exynos gets closer to supporting multiplatform (Sachin
Kamat and others)
* mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
* at91 gains some common clock framework support (Alexandre Belloni,
Jean-Jacques Hiblot and other French people).
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Merge tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Arnd Bergmann:
"These cleanup patches are mainly move stuff around and should all be
harmless. They are mainly split out so that other branches can be
based on top to avoid conflicts.
Notable changes are:
- We finally remove all mach/timex.h, after CLOCK_TICK_RATE is no
longer used (Uwe Kleine-König)
- The Qualcomm MSM platform is split out into legacy mach-msm and
new-style mach-qcom, to allow easier maintainance of the new
hardware support without regressions (Kumar Gala)
- A rework of some of the Kconfig logic to simplify multiplatform
support (Rob Herring)
- Samsung Exynos gets closer to supporting multiplatform (Sachin
Kamat and others)
- mach-bcm3528 gets merged into mach-bcm (Stephen Warren)
- at91 gains some common clock framework support (Alexandre Belloni,
Jean-Jacques Hiblot and other French people)"
* tag 'cleanup-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (89 commits)
ARM: hisi: select HAVE_ARM_SCU only for SMP
ARM: efm32: allow uncompress debug output
ARM: prima2: build reset code standalone
ARM: at91: add PWM clock
ARM: at91: move sam9261 SoC to common clk
ARM: at91: prepare common clk transition for sam9261 SoC
ARM: at91: updated the at91_dt_defconfig with support for the ADS7846
ARM: at91: dt: sam9261: Device Tree support for the at91sam9261ek
ARM: at91: dt: defconfig: Added the sam9261 to the list of DT-enabled SOCs
ARM: at91: dt: Add at91sam9261 dt SoC support
ARM: at91: switch sam9rl to common clock framework
ARM: at91/dt: define main clk frequency of at91sam9rlek
ARM: at91/dt: define at91sam9rl clocks
ARM: at91: prepare common clk transition for sam9rl SoCs
ARM: at91: prepare sam9 dt boards transition to common clk
ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
ARM: at91/defconfig: Add the sam9rl to the list of DT-enabled SOCs
ARM: at91: Add at91sam9rl DT SoC support
ARM: at91: prepare at91sam9rl DT transition
ARM: at91/defconfig: refresh at91sam9260_9g20_defconfig
...
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Olof Johansson
|
eccceebd7e |
ARM: tegra: core SoC changes for 3.15
A couple of minor fixes, plus the removal of the EMC scaling driver, which hasn't been active since we converted clocks to device tree. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIcBAABAgAGBQJTGinRAAoJEMzrak5tbycx0V0QAM2muYdm4Wi/a4vO+1lZ75hS SZB82RaXI/NsHh0mEH74ed6I1+fCUTtQt/Ht75X+egaw28O05zso/kjy6X4o3GGr BKOUo1KAYZmKk2Obmwoz4Rv6bzNkz32Q34jSOMj/iXVU8QlbxNd1tMG2RKz3KccN uHQXNPoPK2od0ZzE5pqdomy2Aqk56l5eKAPIFLOvupLpgOnD4b4EQb3SqEBQG0RZ qxvooL0lxmUWyr+Ffre4CP0la+BwHbS+LrNuz5dVcv2jD2MDxbuJiOLzHcJKyp/H MChxRadBss0Z5J0xXYQDfZ1K0Sm9Y885RG0/ZGxQQ2v5G24c6Ss1iay/SCcmzNdv g7hPWMzH4So5oGQFj0rMZp6Gec1Vbffqr+hGhmgSQjmWx7mnLVO8SrQOWTEE+Vz4 FwBkFSm1DiGMyygCSO/Sy4ce6e7QgoxFAAakEv1l3uSx6XXCQ/D8tQvQAFGneHh6 uqu479SFpTCjm+TQqMgwt4FOof39l4m3BjoQAR1/M+EbWaPKQEWxaWqjlLPLl9UC RSscgIAWmQ/+dn9pRsBLRS4b0NcKszmUYWk5F9uQEdWRUPkEJPkjrDE7npRVTfRm o0mKR4Px/hdeQmT7b3gAN52xilHMNncIwzzj/JaNAQCOb5u03JG2DcDhSALsboHX kbT6d5wM3PVroRB9Yqow =vOsC -----END PGP SIGNATURE----- Merge tag 'tegra-for-3.15-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc Merge "ARM: tegra: core SoC changes for 3.15" from Stephen Warren: A couple of minor fixes, plus the removal of the EMC scaling driver, which hasn't been active since we converted clocks to device tree. * tag 'tegra-for-3.15-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: ARM: tegra: Export I/O rail functions ARM: tegra: remove tegra EMC scaling driver ARM: tegra: don't timeout if CPU is powergated Signed-off-by: Olof Johansson <olof@lixom.net> |
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Olof Johansson
|
5d4089a4ad |
ARM: tegra: Trusted Foundations work for 3.15
This pull request contains a number of cleanups and enhancements for the Trusted Foundations firmware used on production Tegra SoCs. The changes allow kernels without TF support to run on HW that uses TF, albeit with reduced functionality, and also fix the cpuidle feature. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIcBAABAgAGBQJTGilTAAoJEMzrak5tbycx1sYQAJ+G3LcFyATZ90urnAoEUXHA vr6EODBGemPheNQ1vqY15M03nAigwIqfchfPYRZ87f6iE5Q1SueOd70/zEKnHYvg 3gk9dob0/MjqiwBzLzIMNk3OtSm2t0M4niYAUup2QhwVXjEOQD8hgR5K6scU33Fd pG98Bh0RhJbIKjms6X+ZMzIZ/gQrtiCFJynf02FgM7rBtGZOBc9sCXytbybIRHUb 0781i3AXKPE1aR1PRKab1j6rFcVmnkEPNEAc1gLJzJRPXYgruMMEXbQm7uWgn8dB bz19rBnhcnexItv/WslUMzhsJ3IVKBS3h9KSV6pnNB+/0MnUyG0A+O9oBslrlsVj v0dRQRe0cSRyXC21CWzWhdK1fZFWCu2MilRVNUm/Nh3UZ8n80wvKJNPe0pBvNQSC I0Q7x379G03K2/RngHQQgF43B6vxRvGaOKMHxXrJyBLNrYZ74vSszpvLIr0qxh5Z NkKKenrJpLIdn6DCLRTqKDbs4fdQgDbX0lDE3iJqNj27/+OZYiEoY7KpQyeDm/HR VxqSsOc1HYqbAtpBEYzMFcqWE77wvOuc/PAK1QHiYplU4oI4eGL9UUdmGIe+NnG8 TAp1p3cHiMF1hBD7bdgHsRCFdz5GcA/59WGgqljayQvt85ktkc/aCxBxu4PIw4nS Z71RAeVrPr5J7ZuP1KPU =B/hn -----END PGP SIGNATURE----- Merge tag 'tegra-for-3.15-tf' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/soc Merge "ARM: tegra: Trusted Foundations work for 3.15" from Stephen Warren: This pull request contains a number of cleanups and enhancements for the Trusted Foundations firmware used on production Tegra SoCs. The changes allow kernels without TF support to run on HW that uses TF, albeit with reduced functionality, and also fix the cpuidle feature. * tag 'tegra-for-3.15-tf' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: ARM: tegra: cpuidle: use firmware for power down ARM: trusted_foundations: implement prepare_idle() ARM: firmware: add prepare_idle() operation ARM: firmware: enable Trusted Foundations by default ARM: trusted_foundations: fallback when TF support is missing ARM: trusted_foundations: fix vendor prefix typos Signed-off-by: Olof Johansson <olof@lixom.net> |