Граф коммитов

103 Коммитов

Автор SHA1 Сообщение Дата
Paul Gortmaker 8c37bb3ac9 clocksource+irqchip: delete __cpuinit usage from all related files
The __cpuinit type of throwaway sections might have made sense
some time ago when RAM was more constrained, but now the savings
do not offset the cost and complications.  For example, the fix in
commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time")
is a good example of the nasty type of bugs that can be created
with improper use of the various __init prefixes.

After a discussion on LKML[1] it was decided that cpuinit should go
the way of devinit and be phased out.  Once all the users are gone,
we can then finally remove the macros themselves from linux/init.h.

This removes all the drivers/clocksource and drivers/irqchip uses of
the __cpuinit macros from all C files.

[1] https://lkml.org/lkml/2013/5/20/589

Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
2013-07-14 19:36:57 -04:00
Linus Torvalds 505608d2b9 Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
 - core fix for missing round up in the generic irq chip implementation
 - new irq chip for MOXA SoCs
 - a few fixes and cleanups in the irqchip drivers

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip: Add support for MOXA ART SoCs
  genirq: generic chip: Use DIV_ROUND_UP to calculate numchips
  irqchip: nvic: Fix wrong num_ct argument for irq_alloc_domain_generic_chips()
  irqchip: sun4i: Staticize sun4i_irq_ack()
  irqchip: vt8500: Staticize local symbols
2013-07-13 15:37:30 -07:00
Jonas Jensen 4de563ae82 irqchip: Add support for MOXA ART SoCs
This patch adds an irqchip driver for the main interrupt controller
found on MOXA ART SoCs.

Signed-off-by: Jonas Jensen <jonas.jensen@gmail.com>
Cc: grant.likely@secretlab.ca
Cc: thomas.petazzoni@free-electrons.com
Cc: arnd@arndb.de
Cc: u.kleine-koenig@pengutronix.de
Cc: linux@arm.linux.org.uk
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1372941531-6393-1-git-send-email-jonas.jensen@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-07-05 11:39:25 +02:00
Axel Lin 5b8aae489a irqchip: nvic: Fix wrong num_ct argument for irq_alloc_domain_generic_chips()
The third parameter of irq_alloc_domain_generic_chips() is the number of
irq_chip_type instances associated with these chips rather than numbanks.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: kernel@pengutronix.de
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-07-05 11:39:24 +02:00
Axel Lin baaecfa724 irqchip: sun4i: Staticize sun4i_irq_ack()
sun4i_irq_ack() is only referenced in this file, so make it static.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: http://lkml.kernel.org/r/1373010070.14756.2.camel@phoenix
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-07-05 11:39:24 +02:00
Axel Lin e658718e47 irqchip: vt8500: Staticize local symbols
This driver is converted to use IRQCHIP_DECLARE and irqchip_init.
vt8500_handle_irq() and vt8500_irq_init() are only referenced in this file, so
make them static.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Cc: Olof Johansson <olof@lixom.net>
Link: http://lkml.kernel.org/r/1372995229.4038.1.camel@phoenix
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-07-05 11:39:24 +02:00
Linus Torvalds a4883ef6af Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core irq changes from Ingo Molnar:
 "The main changes:

  - generic-irqchip driver additions, cleanups and fixes

  - 3 new irqchip drivers: ARMv7-M NVIC, TB10x and Marvell Orion SoCs

  - irq_get_trigger_type() simplification and cross-arch cleanup

  - various cleanups, simplifications

  - documentation updates"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
  softirq: Use _RET_IP_
  genirq: Add the generic chip to the genirq docbook
  genirq: generic-chip: Export some irq_gc_ functions
  genirq: Fix can_request_irq() for IRQs without an action
  irqchip: exynos-combiner: Staticize combiner_init
  irqchip: Add support for ARMv7-M NVIC
  irqchip: Add TB10x interrupt controller driver
  irqdomain: Use irq_get_trigger_type() to get IRQ flags
  MIPS: octeon: Use irq_get_trigger_type() to get IRQ flags
  arm: orion: Use irq_get_trigger_type() to get IRQ flags
  mfd: stmpe: use irq_get_trigger_type() to get IRQ flags
  mfd: twl4030-irq: Use irq_get_trigger_type() to get IRQ flags
  gpio: mvebu: Use irq_get_trigger_type() to get IRQ flags
  genirq: Add irq_get_trigger_type() to get IRQ flags
  genirq: Irqchip: document gcflags arg of irq_alloc_domain_generic_chips
  genirq: Set irq thread to RT priority on creation
  irqchip: Add support for Marvell Orion SoCs
  genirq: Add kerneldoc for irq_disable.
  genirq: irqchip: Add mask to block out invalid irqs
  genirq: Generic chip: Add linear irq domain support
  ...
2013-07-02 16:14:35 -07:00
Linus Torvalds ee1a8d402e ARM SoC device tree changes
These changes from 30 individual branches for the most part update device
 tree files, but there are also a few source code changes that have crept
 in this time, usually in order to atomically move over a driver from
 using hardcoded data to DT probing.
 
 A number of platforms change their DT files to use the C preprocessor,
 which is causing a bit of churn, but that is hopefully only this once.
 
 There are a few conflicts with the other branches unfortunately:
 
 * in exynos5440.dtsi and kirkwood-6281.dtsi, device nodes are added
   from multiple branches. Need to be careful to have the right
   set of closing braces as git gets this one wrong.
 
 * In kirkwood.dtsi, one 'ranges' line got split into two lines, while
   another line got added. Order of the lines does not matter.
 
 * in sama5d3.dtsi, some cleanup was merged the wrong way, causing
   a bogus conflict. We want the 'dmas' and 'dma-names' properties
   to get added here.
 
 * Two lines got removed independently in arch/arm/mach-mxs/mach-mxs.c
 
 * Contents get added independently in arch/arm/mach-omap2/cclock33xx_data.c
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Merge tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC device tree changes from Arnd Bergmann:
 "These changes from 30 individual branches for the most part update
  device tree files, but there are also a few source code changes that
  have crept in this time, usually in order to atomically move over a
  driver from using hardcoded data to DT probing.

  A number of platforms change their DT files to use the C preprocessor,
  which is causing a bit of churn, but that is hopefully only this once"

* tag 'dt-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (372 commits)
  ARM: at91: dt: rm9200ek: add spi support
  ARM: at91: dt: rm9200: add spi support
  ARM: at91/DT: at91sam9n12: add SPI DMA client infos
  ARM: at91/DT: sama5d3: add SPI DMA client infos
  ARM: at91/DT: fix SPI compatibility string
  ARM: Kirkwood: Fix the internal register ranges translation
  ARM: dts: bcm281xx: change comment to C89 style
  ARM: mmc: bcm281xx SDHCI driver (dt mods)
  ARM: nomadik: add the new clocks to the device tree
  clk: nomadik: implement the Nomadik clocks properly
  ARM: dts: omap5-uevm: Provide USB Host PHY clock frequency
  ARM: dts: omap4-panda: Fix DVI EDID reads
  ARM: dts: omap4-panda: Add USB Host support
  arm: mvebu: enable mini-PCIe connectors on Armada 370 RD
  ARM: shmobile: irqpin: add a DT property to enable masking on parent
  ARM: dts: AM43x EPOS EVM support
  ARM: dts: OMAP5: Add bandgap DT entry
  ARM: dts: AM33XX: Add pinmux configuration for CPSW to am335x EVM
  ARM: dts: AM33XX: Add pinmux configuration for CPSW to EVMsk
  ARM: dts: AM33XX: Add pinmux configuration for CPSW to beaglebone
  ...
2013-07-02 14:23:01 -07:00
Linus Torvalds 22237d5a58 ARM SoC non-cricitical bug fixes
These are various bug fixes that were not considered important enough
 for merging into 3.10. The majority of the ARM fixes are for the OMAP
 and at91 platforms, and there is another set of bug fixes for device
 drivers that resolve 'randconfig' build errors and that the subsystem
 maintainers either did not pick up or preferred to get merged through
 the arm-soc tree.
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Merge tag 'fixes-non-critical-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC non-cricitical bug fixes from Arnd Bergmann:
 "These are various bug fixes that were not considered important enough
  for merging into 3.10.

  The majority of the ARM fixes are for the OMAP and at91 platforms, and
  there is another set of bug fixes for device drivers that resolve
  'randconfig' build errors and that the subsystem maintainers either
  did not pick up or preferred to get merged through the arm-soc tree."

* tag 'fixes-non-critical-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (43 commits)
  ARM: at91/PMC: use at91_usb_rate() for UTMI PLL
  ARM: at91/PMC: fix at91sam9n12 USB FS init
  ARM: at91/PMC: at91sam9n12 family has a PLLB
  ARM: at91/PMC: sama5d3 family doesn't have a PLLB
  ARM: tegra: fix section mismatch in tegra_pmc_parse_dt
  ARM: mxs: don't select HAVE_PWM
  ARM: mxs: stub out mxs_pm_init for !CONFIG_PM
  cpuidle: calxeda: select ARM_CPU_SUSPEND
  ARM: mvebu: fix length of ethernet registers in mv78260 dtsi
  ARM: at91: cpuidle: Fix target_residency
  ARM: at91: fix at91_extern_irq usage for non-dt boards
  ARM: sirf: use CONFIG_SIRF rather than CONFIG_PRIMA2 where necessary
  clocksource: kona: adapt to CLOCKSOURCE_OF_DECLARE change
  X.509: do not emit any informational output
  mtd: omap2: allow bulding as a module
  [SCSI] nsp32: use mdelay instead of large udelay constants
  hwrng: bcm2835: fix MODULE_LICENSE tag
  ARM: at91: Change the internal SRAM memory type MT_MEMORY_NONCACHED
  ARM: at91: Fix link breakage when !CONFIG_PHYLIB
  MAINTAINERS: Add exynos filename match to ARM/S5P EXYNOS ARM ARCHITECTURES
  ...
2013-07-02 13:24:47 -07:00
Sachin Kamat b8394dee78 irqchip: exynos-combiner: Staticize combiner_init
combiner_init() is referenced only in this file. Make it
static.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: kgene.kim@samsung.com
Cc: t.figa@samsung.com
Cc: arnd@arndb.de
Cc: patches@linaro.org
Link: http://lkml.kernel.org/r/1372246597-32323-2-git-send-email-sachin.kamat@linaro.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-06-28 12:56:03 +02:00
Uwe Kleine-König 292ec08049 irqchip: Add support for ARMv7-M NVIC
This interrupt controller is integrated in all Cortex-M3 and Cortex-M4
machines.

Support for this controller appeared in Catalin's Cortex tree based on
2.6.33 but was nearly completely rewritten.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Jonathan Austin <jonathan.austin@arm.com>
Cc: kernel@pengutronix.de
Link: http://lkml.kernel.org/r/1372231128-11802-1-git-send-email-u.kleine-koenig@pengutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-06-26 11:29:38 +02:00
Christian Ruppert b06eb0173e irqchip: Add TB10x interrupt controller driver
The SOC interrupt controller driver for the Abilis Systems TB10x series of
SOCs based on ARC700 CPUs.

Signed-off-by: Christian Ruppert <christian.ruppert@abilis.com>
Signed-off-by: Pierrick Hascoet <pierrick.hascoet@abilis.com>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: devicetree-discuss@lists.ozlabs.org
Link: http://lkml.kernel.org/r/1372177797-9458-1-git-send-email-christian.ruppert@abilis.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-06-25 18:54:21 +02:00
Linus Torvalds f3c15b0a12 ARM: SoC fixes for 3.10-rc
These are two fixes that came in this week, one for a regression we
 introduced in 3.10 in the GIC interrupt code, and the other one
 fixes a typo in newly introduced code.
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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:
 "These are two fixes that came in this week, one for a regression we
  introduced in 3.10 in the GIC interrupt code, and the other one fixes
  a typo in newly introduced code"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  irqchip: gic: call gic_cpu_init() as well in CPU_STARTING_FROZEN case
  ARM: dts: Correct the base address of pinctrl_3 on Exynos5250
2013-06-22 09:44:45 -10:00
Arnd Bergmann 5b520c94b3 Second Round of Renesas ARM-based SoC DT updates for v3.11
* Increased DT coverage for renesas-intc-irqpin
   by Guennadi Liakhovetski
 * Clean up of address format used in sh73a0 dtsi file
   by Guennadi Liakhovetski
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Merge tag 'renesas-dt2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

From Simon Horman:

Second Round of Renesas ARM-based SoC DT updates for v3.11

* Increased DT coverage for renesas-intc-irqpin
  by Guennadi Liakhovetski
* Clean up of address format used in sh73a0 dtsi file
  by Guennadi Liakhovetski

* tag 'renesas-dt2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: irqpin: add a DT property to enable masking on parent
  ARM: shmobile: sh73a0: remove "0x" prefix from DT node names
  irqchip: renesas-intc-irqpin: DT binding for sense bitfield width

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-21 15:28:16 +02:00
Shawn Guo 8b6fd65264 irqchip: gic: call gic_cpu_init() as well in CPU_STARTING_FROZEN case
Commit c011470 (irqchip: gic: Perform the gic_secondary_init() call via
CPU notifier) moves gic_secondary_init() that used to be called in
.smp_secondary_init hook into a notifier call.  But it changes the
system behavior a little bit.  Before the commit, gic_cpu_init()
is called not only when kernel brings up the secondary cores but also
when system resuming procedure hot-plugs the cores back to kernel.
While after the commit, the function will not be called in the latter
case, where the 'action' will not be CPU_STARTING but
CPU_STARTING_FROZEN.  This behavior difference at least causes the
following suspend/resume regression on imx6q.

$ echo mem > /sys/power/state
PM: Syncing filesystems ... done.
PM: Preparing system for mem sleep
mmc1: card e624 removed
Freezing user space processes ... (elapsed 0.01 seconds) done.
Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
PM: Entering mem sleep
PM: suspend of devices complete after 5.930 msecs
PM: suspend devices took 0.010 seconds
PM: late suspend of devices complete after 0.343 msecs
PM: noirq suspend of devices complete after 0.828 msecs
Disabling non-boot CPUs ...
CPU1: shutdown
CPU2: shutdown
CPU3: shutdown
Enabling non-boot CPUs ...
CPU1: Booted secondary processor
INFO: rcu_sched detected stalls on CPUs/tasks: { 1 2 3} (detected by 0, t=2102 jiffies, g=4294967169, c=4294967168, q=17)
Task dump for CPU 1:
swapper/1       R running      0     0      1 0x00000000
Backtrace:
[<bf895ff4>] (0xbf895ff4) from [<00000000>] (  (null))
Backtrace aborted due to bad frame pointer <8007ccdc>
Task dump for CPU 2:
swapper/2       R running      0     0      1 0x00000000
Backtrace:
[<8075dbdc>] (0x8075dbdc) from [<00000000>] (  (null))
Backtrace aborted due to bad frame pointer <00000002>
Task dump for CPU 3:
swapper/3       R running      0     0      1 0x00000000
Backtrace:
[<8075dbdc>] (0x8075dbdc) from [<00000000>] (  (null))

Fix the regression by checking 'action' being CPU_STARTING_FROZEN to
have gic_cpu_init() called for secondary cores when system resumes.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Joseph Lo <josephl@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-06-20 14:52:23 +02:00
Guennadi Liakhovetski c4fa4946f1 ARM: shmobile: irqpin: add a DT property to enable masking on parent
To disable spurious interrupts, that get triggered on certain hardware, the
irqpin driver masks them on the parent interrupt controller. To specify
such broken devices a .control_parent parameter can be provided in the
platform data. In the DT case we need a property, to do the same.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-19 21:27:31 +09:00
Guennadi Liakhovetski 894db16426 irqchip: renesas-intc-irqpin: DT binding for sense bitfield width
Most Renesas irqpin controllers have 4-bit sense fields, however, some
have different widths. This patch adds a DT binding to optionally
specify such non-standard values.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-18 16:15:18 +09:00
Olof Johansson 9d6dec733b Non-critical fixes for omaps for v3.11 merge window.
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Merge tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/fixes-non-critical

From Tony Lindgren:
Non-critical fixes for omaps for v3.11 merge window.

* tag 'omap-for-v3.11/fixes-non-critical-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: omap-usb-host: Fix memory leaks
  ARM: OMAP2+: Fix serial init for device tree based booting
  arm/omap: use const char properly
  ARM: OMAP2+: devices: Do not print error when dss_hdmi hwmod lookup fails
  ARM: OMAP2+: devices: Do not print error when DMIC hwmod lookup fails
  ARM: OMAP2+: devices: Do not print error when McPDM hwmod lookup fails
  ARM: OMAP: add vdds_sdi supply for omapdss_sdi.0
  ARM: OMAP: add vdds_dsi supply for omapdss_dpi.0
  ARM: OMAP: fix dsi regulator names
  + Linux 3.10-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-14 14:07:53 -07:00
Sebastian Hesselbarth 9dbd90f17e irqchip: Add support for Marvell Orion SoCs
This patch adds an irqchip driver for the main interrupt controller found
on Marvell Orion SoCs (Kirkwood, Dove, Orion5x, Discovery Innovation).
Corresponding device tree documentation is also added.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Rob Landley <rob@landley.net>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: devicetree-discuss@lists.ozlabs.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1370536034-23956-2-git-send-email-sebastian.hesselbarth@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2013-06-11 16:18:50 +02:00
Linus Torvalds c3e58a7945 irqdomain bug fixes for v3.10-rc4
This branch contains a set of straight forward bug fixes to the
 irqdomain code and to a couple of drivers that make use of it.
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Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux

Pull irqdomain bug fixes from Grant Likely:
 "This branch contains a set of straight forward bug fixes to the
  irqdomain code and to a couple of drivers that make use of it."

* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux:
  irqchip: Return -EPERM for reserved IRQs
  irqdomain: document the simple domain first_irq
  kernel/irq/irqdomain.c: before use 'irq_data', need check it whether valid.
  irqdomain: export irq_domain_add_simple
2013-06-08 15:50:42 -07:00
Grant Likely d94ea3f6d2 irqchip: Return -EPERM for reserved IRQs
The irqdomain core will report a log message for any attempted map call
that fails unless the error code is -EPERM. This patch changes the
Versatile irq controller drivers to use -EPERM because it is normal for
a subset of the IRQ inputs to be marked as reserved on the various
Versatile platforms.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
2013-06-08 21:34:16 +01:00
Axel Lin dfaf820a13 irqchip: renesas-irqc: Fix irqc_probe error handling
The code in goto err3 path is wrong because it will call fee_irq() with k == 0,
which means it does free_irq(p->irq[-1].requested_irq, &p->irq[-1]);

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-06-06 10:23:58 +09:00
Markus Pargmann b5f83e9b06 ARM: mxs: icoll: Fix interrupts gpio bank 0
The mxs interrupt controller does not support polling for interrupts,
but the driver still does it, which is a relict from
pre-MULTI_IRQ_HANDLER times.

The existing code assumes that 0x7f means no interrupt, but this value
is an actually valid irq number, namely gpio bank 0's irq. This results
in the driver not detecting when irq 0x7f is active which makes the
machine effectively dead lock.

This patch removes the interrupt poll loop and allows usage of gpio0
interrupt without an infinite loop.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
2013-06-03 23:18:15 +08:00
Linus Torvalds bb9055b274 ARM: late Exynos multiplatform changes
These continue the multiplatform support for exynos, adding support
 for building most of the essential drivers (clocksource, clk, irqchip)
 when combined with other platforms. As a result, it should become
 really easy to add full multiplatform exynos support in 3.11, although
 we don't yet enable it for 3.10.
 
 The changes were not included in the earlier multiplatform series
 in order to avoid clashes with the other Exynos updates.
 
 This also includes work from Tomasz Figa to fix the pwm clocksource
 code on Exynos, which is not strictly required for multiplatform,
 but related to the other patches in this set and needed as a bug
 fix for at least one board.
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Merge tag 'multiplatform-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull late ARM Exynos multiplatform changes from Arnd Bergmann:
 "These continue the multiplatform support for exynos, adding support
  for building most of the essential drivers (clocksource, clk, irqchip)
  when combined with other platforms.  As a result, it should become
  really easy to add full multiplatform exynos support in 3.11, although
  we don't yet enable it for 3.10.

  The changes were not included in the earlier multiplatform series in
  order to avoid clashes with the other Exynos updates.

  This also includes work from Tomasz Figa to fix the pwm clocksource
  code on Exynos, which is not strictly required for multiplatform, but
  related to the other patches in this set and needed as a bug fix for
  at least one board."

* tag 'multiplatform-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (22 commits)
  ARM: dts: exynops4210: really add universal_c210 dts
  ARM: dts: exynos4210: Add basic dts file for universal_c210 board
  ARM: dts: exynos4: Add node for PWM device
  ARM: SAMSUNG: Do not register legacy timer interrupts on Exynos
  clocksource: samsung_pwm_timer: Work around rounding errors in clockevents core
  clocksource: samsung_pwm_timer: Correct programming of clock events
  clocksource: samsung_pwm_timer: Use proper clockevents max_delta
  clocksource: samsung_pwm_timer: Add support for non-DT platforms
  clocksource: samsung_pwm_timer: Drop unused samsung_pwm struct
  clocksource: samsung_pwm_timer: Keep all driver data in a structure
  clocksource: samsung_pwm_timer: Make PWM spinlock global
  clocksource: samsung_pwm_timer: Let platforms select the driver
  Documentation: Add device tree bindings for Samsung PWM timers
  clocksource: add samsung pwm timer driver
  irqchip: exynos: look up irq using irq_find_mapping
  irqchip: exynos: pass irq_base from platform
  irqchip: exynos: localize irq lookup for ATAGS
  irqchip: exynos: allocate combiner_data dynamically
  irqchip: exynos: pass max combiner number to combiner_init
  ARM: exynos: add missing properties for combiner IRQs
  ...
2013-05-07 11:28:42 -07:00
Linus Torvalds 1bf25e78af ARM: arm-soc: late cleanups
These are cleanups and smaller changes that either depend on earlier
 feature branches or came in late during the development cycle.
 We normally try to get all cleanups early, so these are the exceptions:
 
 - A follow-up on the clocksource reworks, hopefully the last time
   we need to merge clocksource subsystem changes through arm-soc.
   A first set of patches was part of the original 3.10 arm-soc cleanup
   series because of interdependencies with timer drivers now moved out
   of arch/arm.
 
 - Migrating the SPEAr13xx platform away from using auxdata for DMA
   channel descriptions towards using information in device tree,
   based on the earlier SPEAr multiplatform series
 
 - A few follow-ups on the Atmel SAMA5 support and other changes
   for Atmel at91 based on the larger at91 reworks.
 
 - Moving the armada irqchip implementation to drivers/irqchip
 
 - Several OMAP cleanups following up on the larger series already
   merged in 3.10.
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Merge tag 'cleanup-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC late cleanups from Arnd Bergmann:
 "These are cleanups and smaller changes that either depend on earlier
  feature branches or came in late during the development cycle.  We
  normally try to get all cleanups early, so these are the exceptions:

   - A follow-up on the clocksource reworks, hopefully the last time we
     need to merge clocksource subsystem changes through arm-soc.

     A first set of patches was part of the original 3.10 arm-soc
     cleanup series because of interdependencies with timer drivers now
     moved out of arch/arm.

   - Migrating the SPEAr13xx platform away from using auxdata for DMA
     channel descriptions towards using information in device tree,
     based on the earlier SPEAr multiplatform series

   - A few follow-ups on the Atmel SAMA5 support and other changes for
     Atmel at91 based on the larger at91 reworks.

   - Moving the armada irqchip implementation to drivers/irqchip

   - Several OMAP cleanups following up on the larger series already
     merged in 3.10."

* tag 'cleanup-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (50 commits)
  ARM: OMAP4: change the device names in usb_bind_phy
  ARM: OMAP2+: Fix mismerge for timer.c between ff931c82 and da4a686a
  ARM: SPEAr: conditionalize SMP code
  ARM: arch_timer: Silence debug preempt warnings
  ARM: OMAP: remove unused variable
  serial: amba-pl011: fix !CONFIG_DMA_ENGINE case
  ata: arasan: remove the need for platform_data
  ARM: at91/sama5d34ek.dts: remove not needed compatibility string
  ARM: at91: dts: add MCI DMA support
  ARM: at91: dts: add i2c dma support
  ARM: at91: dts: set #dma-cells to the correct value
  ARM: at91: suspend both memory controllers on at91sam9263
  irqchip: armada-370-xp: slightly cleanup irq controller driver
  irqchip: armada-370-xp: move IRQ handler to avoid forward declaration
  irqchip: move IRQ driver for Armada 370/XP
  ARM: mvebu: move L2 cache initialization in init_early()
  devtree: add binding documentation for sp804
  ARM: integrator-cp: convert use CLKSRC_OF for timer init
  ARM: versatile: use OF init for sp804 timer
  ARM: versatile: add versatile dtbs to dtbs target
  ...
2013-05-07 11:22:14 -07:00
Arnd Bergmann 442a33ebce Merge branch 'late/clksrc' into late/cleanup
There is no reason to keep the clksrc cleanups separate from the
other cleanups, and this resolves some merge conflicts.

Conflicts:
	arch/arm/mach-spear/spear13xx.c
	drivers/irqchip/Makefile
2013-05-06 23:43:45 +02:00
Linus Torvalds 6fa52ed33b ARM: arm-soc driver changes for 3.10
This is a rather large set of patches for device drivers that for one
 reason or another the subsystem maintainer preferred to get merged
 through the arm-soc tree. There are both new drivers as well as
 existing drivers that are getting converted from platform-specific
 code into standalone drivers using the appropriate subsystem
 specific interfaces.
 
 In particular, we can now have pinctrl, clk, clksource and irqchip
 drivers in one file per driver, without the need to call into
 platform specific interface, or to get called from platform specific
 code, as long as all information about the hardware is provided
 through a device tree.
 
 Most of the drivers we touch this time are for clocksource. Since
 now most of them are part of drivers/clocksource, I expect that we
 won't have to touch these again from arm-soc and can let the
 clocksource maintainers take care of these in the future.
 
 Another larger part of this series is specific to the exynos platform,
 which is seeing some significant effort in upstreaming and
 modernization of its device drivers this time around, which
 unfortunately is also the cause for the churn and a lot of the
 merge conflicts.
 
 There is one new subsystem that gets merged as part of this series:
 the reset controller interface, which is a very simple interface
 for taking devices on the SoC out of reset or back into reset.
 Patches to use this interface on i.MX follow later in this merge
 window, and we are going to have other platforms (at least tegra
 and sirf) get converted in 3.11. This will let us get rid of
 platform specific callbacks in a number of platform independent
 device drivers.
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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 changes from Olof Johansson:
 "This is a rather large set of patches for device drivers that for one
  reason or another the subsystem maintainer preferred to get merged
  through the arm-soc tree.  There are both new drivers as well as
  existing drivers that are getting converted from platform-specific
  code into standalone drivers using the appropriate subsystem specific
  interfaces.

  In particular, we can now have pinctrl, clk, clksource and irqchip
  drivers in one file per driver, without the need to call into platform
  specific interface, or to get called from platform specific code, as
  long as all information about the hardware is provided through a
  device tree.

  Most of the drivers we touch this time are for clocksource.  Since now
  most of them are part of drivers/clocksource, I expect that we won't
  have to touch these again from arm-soc and can let the clocksource
  maintainers take care of these in the future.

  Another larger part of this series is specific to the exynos platform,
  which is seeing some significant effort in upstreaming and
  modernization of its device drivers this time around, which
  unfortunately is also the cause for the churn and a lot of the merge
  conflicts.

  There is one new subsystem that gets merged as part of this series:
  the reset controller interface, which is a very simple interface for
  taking devices on the SoC out of reset or back into reset.  Patches to
  use this interface on i.MX follow later in this merge window, and we
  are going to have other platforms (at least tegra and sirf) get
  converted in 3.11.  This will let us get rid of platform specific
  callbacks in a number of platform independent device drivers."

* tag 'drivers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (256 commits)
  irqchip: s3c24xx: add missing __init annotations
  ARM: dts: Disable the RTC by default on exynos5
  clk: exynos5250: Fix parent clock for sclk_mmc{0,1,2,3}
  ARM: exynos: restore mach/regs-clock.h for exynos5
  clocksource: exynos_mct: fix build error on non-DT
  pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register()
  irqchip: vt8500: Convert arch-vt8500 to new irqchip infrastructure
  reset: NULL deref on allocation failure
  reset: Add reset controller API
  dt: describe base reset signal binding
  ARM: EXYNOS: Add arm-pmu DT binding for exynos421x
  ARM: EXYNOS: Add arm-pmu DT binding for exynos5250
  ARM: EXYNOS: Enable PMUs for exynos4
  irqchip: exynos-combiner: Correct combined IRQs for exynos4
  irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq
  ARM: EXYNOS: fix compilation error introduced due to common clock migration
  clk: exynos5250: Fix divider values for sclk_mmc{0,1,2,3}
  clk: exynos4: export clocks required for fimc-is
  clk: samsung: Fix compilation error
  clk: tegra: fix enum tegra114_clk to match binding
  ...
2013-05-04 12:31:18 -07:00
Linus Torvalds 99c6bcf46d ARM: arm-soc multiplatform updates for 3.10
More multiplatform enablement for ARM platforms. The ones converted in
 this branch are:
 - bcm2835
 - cns3xxx
 - sirf
 - nomadik
 - msx
 - spear
 - tegra
 - ux500
 
 We're getting close to having most of them converted!
 
 One of the larger platforms remaining is Samsung Exynos, and there are
 a bunch of supporting patches in this merge window for it. There was a
 patch in this branch to a early version of multiplatform conversion,
 but it ended up being reverted due to need of more bake time. The
 revert commit is part of the branch since it would have required
 rebasing multiple dependent branches and they were stable by then.
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Merge tag 'multiplatform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC multiplatform updates from Olof Johansson:
 "More multiplatform enablement for ARM platforms.  The ones converted
  in this branch are:

   - bcm2835
   - cns3xxx
   - sirf
   - nomadik
   - msx
   - spear
   - tegra
   - ux500

  We're getting close to having most of them converted!

  One of the larger platforms remaining is Samsung Exynos, and there are
  a bunch of supporting patches in this merge window for it.  There was
  a patch in this branch to a early version of multiplatform conversion,
  but it ended up being reverted due to need of more bake time.  The
  revert commit is part of the branch since it would have required
  rebasing multiple dependent branches and they were stable by then"

* tag 'multiplatform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (70 commits)
  mmc: sdhci-s3c: Fix operation on non-single image Samsung platforms
  clocksource: nomadik-mtu: fix up clocksource/timer
  Revert "ARM: exynos: enable multiplatform support"
  ARM: SPEAr13xx: Fix typo "ARCH_HAVE_CPUFREQ"
  ARM: exynos: enable multiplatform support
  rtc: s3c: make header file local
  mtd: onenand/samsung: make regs-onenand.h file local
  thermal/exynos: remove unnecessary header inclusions
  mmc: sdhci-s3c: remove platform dependencies
  ARM: samsung: move mfc device definition to s5p-dev-mfc.c
  ARM: exynos: move debug-macro.S to include/debug/
  ARM: exynos: prepare for sparse IRQ
  ARM: exynos: introduce EXYNOS_ATAGS symbol
  ARM: tegra: build assembly files with -march=armv7-a
  ARM: Push selects for TWD/SCU into machine entries
  ARM: ux500: build hotplug.o for ARMv7-a
  ARM: ux500: move to multiplatform
  ARM: ux500: make remaining headers local
  ARM: ux500: make irqs.h local to platform
  ARM: ux500: get rid of <mach/[hardware|db8500-regs].h>
  ...
2013-05-02 09:38:16 -07:00
Linus Torvalds a7726350e0 ARM: arm-soc cleanup for 3.10
Here is a collection of cleanup patches. Among the pieces that stand out are:
 
 - The deletion of h720x platforms
 - Split of at91 non-dt platforms to their own Kconfig file to keep them separate
 - General cleanups and refactoring of i.MX and MXS platforms
 - Some restructuring of clock tables for OMAP
 - Convertion of PMC driver for Tegra to dt-only
 - Some renames of sunxi -> sun4i (Allwinner A10)
 - ... plus a bunch of other stuff that I haven't mentioned
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Merge tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC cleanup from Olof Johansson:
 "Here is a collection of cleanup patches.  Among the pieces that stand
  out are:

   - The deletion of h720x platforms
   - Split of at91 non-dt platforms to their own Kconfig file to keep
     them separate
   - General cleanups and refactoring of i.MX and MXS platforms
   - Some restructuring of clock tables for OMAP
   - Convertion of PMC driver for Tegra to dt-only
   - Some renames of sunxi -> sun4i (Allwinner A10)
   - ... plus a bunch of other stuff that I haven't mentioned"

* tag 'cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (119 commits)
  ARM: i.MX: remove unused ARCH_* configs
  ARM i.MX53: remove platform ahci support
  ARM: sunxi: Rework the restart code
  irqchip: sunxi: Rename sunxi to sun4i
  irqchip: sunxi: Make use of the IRQCHIP_DECLARE macro
  clocksource: sunxi: Rename sunxi to sun4i
  clocksource: sunxi: make use of CLKSRC_OF
  clocksource: sunxi: Cleanup the timer code
  ARM: at91: remove trailing semicolon from macros
  ARM: at91/setup: fix trivial typos
  ARM: EXYNOS: remove "config EXYNOS_DEV_DRM"
  ARM: EXYNOS: change the name of USB ohci header
  ARM: SAMSUNG: Remove unnecessary code for dma
  ARM: S3C24XX: Remove unused GPIO drive strength register definitions
  ARM: OMAP4+: PM: Restore CPU power state to ON with clockdomain force wakeup method
  ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2412
  ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2410
  ARM: S3C24XX: Removed unneeded dependency on ARCH_S3C24XX for boards
  ARM: SAMSUNG: Fix typo "CONFIG_SAMSUNG_DEV_RTC"
  ARM: S5P64X0: Fix typo "CONFIG_S5P64X0_SETUP_SDHCI"
  ...
2013-05-02 09:03:55 -07:00
Linus Torvalds 5d434fcb25 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
 "Usual stuff, mostly comment fixes, typo fixes, printk fixes and small
  code cleanups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (45 commits)
  mm: Convert print_symbol to %pSR
  gfs2: Convert print_symbol to %pSR
  m32r: Convert print_symbol to %pSR
  iostats.txt: add easy-to-find description for field 6
  x86 cmpxchg.h: fix wrong comment
  treewide: Fix typo in printk and comments
  doc: devicetree: Fix various typos
  docbook: fix 8250 naming in device-drivers
  pata_pdc2027x: Fix compiler warning
  treewide: Fix typo in printks
  mei: Fix comments in drivers/misc/mei
  treewide: Fix typos in kernel messages
  pm44xx: Fix comment for "CONFIG_CPU_IDLE"
  doc: Fix typo "CONFIG_CGROUP_CGROUP_MEMCG_SWAP"
  mmzone: correct "pags" to "pages" in comment.
  kernel-parameters: remove outdated 'noresidual' parameter
  Remove spurious _H suffixes from ifdef comments
  sound: Remove stray pluses from Kconfig file
  radio-shark: Fix printk "CONFIG_LED_CLASS"
  doc: put proper reference to CONFIG_MODULE_SIG_ENFORCE
  ...
2013-04-30 09:36:50 -07:00
Arnd Bergmann bc8fd900c4 irqchip: s3c24xx: add missing __init annotations
The s3c24xx_init_intc and s3c2412_init_irq functions are only called
at init time, and they call functions already marked __init, so they
should be marked in the same way. This was reported as

WARNING: vmlinux.o(.text+0x19e0b4): Section mismatch in reference from the function s3c2412_init_irq() to the function .init.text:s3c24xx_init_intc.constprop.8()
The function s3c2412_init_irq() references
the function __init s3c24xx_init_intc.constprop.8().
This is often because s3c2412_init_irq lacks a __init
annotation or the annotation of s3c24xx_init_intc.constprop.8 is wrong.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Cc: Kukjin Kim <kgene.kim@samsung.com>
2013-04-29 16:34:34 +02:00
Arnd Bergmann 20adee8fa0 irqchip: exynos: look up irq using irq_find_mapping
Since we want to move to using the linear IRQ domain in the
future, we cannot rely on the irq numbers to be contiguous
and need to look up the irq from the hwirq using the domain.

This also turns the bogus comparison with NR_IRQ into a
more meaningful check to see if the number has a valid mapping.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-19 23:00:43 +02:00
Arnd Bergmann 863a08dc8b irqchip: exynos: pass irq_base from platform
The platform code knows the IRQ base, while the irqchip driver
should really not. This is a littly hacky because we still
hardwire the IRQ base to 160 for the combiner in the DT case,
when we should really use -1. Removing that line will cause
a linear IRQ domain to be use, as we should.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
2013-04-19 23:00:43 +02:00
Arnd Bergmann 92c8e49620 irqchip: exynos: localize irq lookup for ATAGS
The IRQ_SPI() macro is not available in the driver when building with sparse
IRQs or multiplatform, so let's move all users of this into one function
that we can leave out when building DT-only.

Signed-off-by: Arnd Bergmann <arnd@arnd.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
2013-04-19 23:00:42 +02:00
Arnd Bergmann d34f03d4a1 irqchip: exynos: allocate combiner_data dynamically
The number of combiners on a given SoC is a platform specific
constant, and we cannot encode this number on a multiplatform
kernel since the header file defining it is not available.

Allocating the structure dynamically ends up cleaner anyway
since we keep all the data local.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
2013-04-19 23:00:41 +02:00
Arnd Bergmann 6761dcfe8c irqchip: exynos: pass max combiner number to combiner_init
We can find out the number of combined IRQs from the device
tree, but in case of ATAGS boot, the driver currently uses
hardcoded values based on the SoC type. We can't do that
in general for a multiplatform kernel, so let's instead pass
this information from platform code directly in case of
ATAGS boot.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
2013-04-19 23:00:40 +02:00
Thomas Petazzoni 5ec69017cc irqchip: armada-370-xp: slightly cleanup irq controller driver
In preparation for the introduction of MSI support in the IRQ
controller driver, we clarify the implementation of IPI using
additional defines for the manipulation of doorbells. Just like IPIs
are implemented using doorbells, MSIs will also use doorbells, so it
makes sense to do this preparatory cleanup first.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-04-15 19:35:17 +00:00
Thomas Petazzoni b313ada8c7 irqchip: armada-370-xp: move IRQ handler to avoid forward declaration
If we move the IRQ handler function above the initialization function,
we avoid a forward declaration. This wasn't done as part of the
previous commit, in order to increase the readibility of the previous
commit, who was also moving the IRQ controller driver from arch/arm to
drivers/irqchip.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-04-15 19:34:50 +00:00
Thomas Petazzoni 9339d432fd irqchip: move IRQ driver for Armada 370/XP
When the Marvell Armada 370/XP support was included in the kernel, the
drivers/irqchip/ directory didn't exist and the minimal infrastructure
in it also didn't exist. Now that we have those things in place, we
move the Armada 370/XP IRQ controller driver from
arch/arm/mach-mvebu/irq-armada-370-xp.c to
drivers/irqchip/irq-armada-370-xp.c.

Note in order to reduce code movement and therefore ease the review of
this patch, we intentionally introduce a forward declaration of
armada_370_xp_handle_irq(). It is in fact not needed because this
handler can now simply be implemented before
armada_370_xp_mpic_of_init(). That will be done in the next commit.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2013-04-15 19:34:36 +00:00
Tony Prisk 06ff14c054 irqchip: vt8500: Convert arch-vt8500 to new irqchip infrastructure
This patch moves the arch-vt8500 irq code to drivers/irqchip and converts
it to use the new IRQCHIP_DECLARE and irqchip_init. This allows the removal
of some more functions from common.h

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Olof Johansson <olof@lixom.net>
2013-04-12 22:43:24 -07:00
Olof Johansson b9d5868e34 Cleanups for Allwinner sunXi architecture:
- Remove sunxi.dtsi
   - Switch to clocksource/irqchip device tree handlers
   - Cleanup the watchdog code
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Merge tag 'sunxi-cleanup-for-3.10' of git://github.com/mripard/linux into next/cleanup

From Maxime Ripard:
Cleanups for Allwinner sunXi architecture:
  - Remove sunxi.dtsi
  - Switch to clocksource/irqchip device tree handlers
  - Cleanup the watchdog code

* tag 'sunxi-cleanup-for-3.10' of git://github.com/mripard/linux:
  ARM: sunxi: Rework the restart code
  irqchip: sunxi: Rename sunxi to sun4i
  irqchip: sunxi: Make use of the IRQCHIP_DECLARE macro
  clocksource: sunxi: Rename sunxi to sun4i
  clocksource: sunxi: make use of CLKSRC_OF
  clocksource: sunxi: Cleanup the timer code
  clocksource: make CLOCKSOURCE_OF_DECLARE type safe

Signed-off-by: Olof Johansson <olof@lixom.net>

Add/change conflict in drivers/clocksource/Makefile resolved.
2013-04-11 03:39:00 -07:00
Arnd Bergmann 0b8467ee39 add support arm-pmu for exynos4 and exynos5250
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Merge tag 'pmu-exynos-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers

From Kukjin Kim <kgene.kim@samsung.com>:

add support arm-pmu for exynos4 and exynos5250

* tag 'pmu-exynos-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Add arm-pmu DT binding for exynos421x
  ARM: EXYNOS: Add arm-pmu DT binding for exynos5250
  ARM: EXYNOS: Enable PMUs for exynos4
  irqchip: exynos-combiner: Correct combined IRQs for exynos4
  irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 22:46:16 +02:00
Arnd Bergmann 894b7382cf s3c24xx irq cleanup and move into drivers/irqchip
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Merge tag 'irq-s3c24xx-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers

From Kukjin Kim <kgene.kim@samsung.com>:

s3c24xx irq cleanup and move into drivers/irqchip

* tag 'irq-s3c24xx-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  irqchip: s3c24xx: add devicetree support
  irqchip: s3c24xx: make interrupt handling independent of irq_domain structure
  irqchip: s3c24xx: globally keep track of the created intc instances
  irqchip: s3c24xx: add irq_set_type callback for basic interrupt types
  irqchip: s3c24xx: fix irqlist of second s3c2416 controller
  irqchip: s3c24xx: fix comments on some camera interrupts
  ARM: S3C24XX: move irq driver to drivers/irqchip
  ARM: S3C24XX: add handle_irq function
  ARM: S3C24XX: make s3c24xx_init_intc static
  ARM: S3C24XX: move s3c24xx_init_irq to s3c2410_init_irq
  ARM: S3C24XX: fix irq parent check
  ARM: S3C24XX: fix redundant checks in the irq mapping function

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 22:05:50 +02:00
Arnd Bergmann 71f6424023 Merge branch 'mxs/cleanup' into next/multiplatform
This is a dependency for mxs/multiplatform

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Conflicts:
	drivers/clocksource/Makefile
2013-04-09 16:02:14 +02:00
Arnd Bergmann 835f9c38bb Linux 3.9-rc3
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Merge tag 'v3.9-rc3' into next/multiplatform

Linux 3.9-rc3

Conflicts:
	arch/arm/Kconfig
	arch/arm/mach-spear/spear3xx.c
	arch/arm/plat-spear/Kconfig

This is a dependency for ux500/multiplatform

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 16:01:23 +02:00
Arnd Bergmann 92202876a3 The mxs cleanup for 3.10:
* Clean up timer code and move it into drivers/clocksource
 * Clean up icoll code and move it into drivers/irqchip
 * Clean up clock code to not include <mach/*> headers
 * Clean up rtc-stmp3xxx, mxs-lradc and mxs-saif to not include <mach/*>
   headers
 * Clean up mach-mxs code to get it prepared for multiplatform support
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Merge tag 'mxs-cleanup-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/cleanup

From Shawn Guo <shawn.guo@linaro.org>:

The mxs cleanup for 3.10:

* Clean up timer code and move it into drivers/clocksource
* Clean up icoll code and move it into drivers/irqchip
* Clean up clock code to not include <mach/*> headers
* Clean up rtc-stmp3xxx, mxs-lradc and mxs-saif to not include <mach/*>
  headers
* Clean up mach-mxs code to get it prepared for multiplatform support

* tag 'mxs-cleanup-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6: (26 commits)
  clocksource: mxs_timer: Add semicolon at end of line
  ARM: mxs: remove unused headers
  ARM: mxs: merge imx23 and imx28 into one machine_desc
  ARM: mxs: remove common.h
  ARM: mxs: move mxs_get_ocotp() into mach-mxs.c
  ARM: mxs: remove mm.c
  ARM: mxs: use debug_ll_io_init for low-level debug
  ARM: mxs: get ocotp base address from device tree
  ARM: mxs: remove system.c
  ARM: mxs: get reset address from device tree
  ARM: mxs: remove empty hardware.h
  ASoC: mxs-saif: remove mach header inclusion
  iio: mxs-lradc: remove unneeded mach header inclusion
  rtc: stmp3xxx: use stmp_reset_block() instead
  clk: mxs: remove the use of mach level IO accessor
  clk: mxs: get base address from device tree
  ARM: mxs: remove unneeded mach-types.h inclusion
  ARM: mxs: move icoll driver into drivers/irqchip
  ARM: mxs: call stmp_reset_block() in icoll
  ARM: mxs: get icoll base address from device tree
  ...

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2013-04-09 15:29:52 +02:00
Maxime Ripard d7fbc6ca35 irqchip: sunxi: Rename sunxi to sun4i
During the introduction of the Allwinner SoC platforms, sunxi was
initially meant as a generic name for all the variants of the Allwinner
SoC.

It was ok at the time of the support of only the A10 and A13 that
looks pretty much the same, but it's beginning to be troublesome with
the future addition of the Allwinner A31 (sun6i) that is quite
different, and would introduce some weird logic, where sunxi would
actually mean in some case sun4i and sun5i but without sun6i...

Moreover, it makes the compatible strings naming scheme not consistent
with other architectures, where usually for this kind of compability, we
just use the oldest SoC name that has this IP, so let's do just this.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2013-04-08 21:42:46 +02:00
Maxime Ripard f1dc6c4f77 irqchip: sunxi: Make use of the IRQCHIP_DECLARE macro
This allows to remove some boilerplate code. At the same time, call the
set_handle_irq function in the initialization function of the irqchip,
so that we can remove it from the machine declaration.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
2013-04-08 21:42:27 +02:00
Chanho Park 4e164dc5fa irqchip: exynos-combiner: Correct combined IRQs for exynos4
This patch corrects combined IRQs for exynos4 series platform. The exynos4412
has four extra combined irq group and the exynos4212 has two more combined
irqs
than exynos4210. Each irq is mapped to IRQ_SPI(xx). Unfortunately, extra 4
combined IRQs isn't sequential. So, we need to map the irqs manually.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: changes moved into drivers/irqchip/]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-04-09 01:47:44 +09:00
Chanho Park df7ef462a2 irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irq
This patch adds set_irq_affinity function for combiner_irq. We need this
function to enable a arm-pmu because the pmu of exynos has combined type
irqs.

Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: changes moved into drivers/irqchip/]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2013-04-09 01:47:44 +09:00