Add a handler for the VIC that is suitable for MULTI_IRQ_HANDLER
platforms.  This can replace the ASM entry macros for platforms that use
the VIC.

v4:	- rebase ontop of move __exception and friends to
	  asm/exception.h
	- rework polling loop to handle as many irqs as possible in one go
v3:	- simplify irq handling loop as suggested by Grant
	- service interrupts from msb->lsb order
v2:	- allow the handler be used for !CONFIG_OF
	- use irq_domain_to_irq()

Cc: Rob Herring <robherring2@gmail.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>

This adds a device tree binding for the VIC based on the of_irq_init()
support.  This adds an irqdomain to the vic and always registers all
vics in the static vic array rather than for pm only to keep track of
the irq domain.  struct irq_data::hwirq is used where appropriate rather
than runtime masking.

v3:	- include linux/export.h for THIS_MODULE
v2:	- use irq_domain_simple_ops
	- remove stub implementation of vic_of_init for !CONFIG_OF
	- Make VIC select IRQ_DOMAIN

Reviewed-by: Rob Herring <robherring2@gmail.com>
Reviewed-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>

Now that MULTI_IRQ_HANDLER is selected by all the in-tree
GIC users, make it mandatory and remove the unused macros.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

After the MULTI_IRQ_HANDLER conversion, a couple of global
variables can be removed.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the omap2plus platforms to be using CONFIG_MULTI_IRQ_HANDLER.
Each machine is modified to provide either omap2_intc_handle_irq(),
omap3_intc_handle_irq() or gic_handle_irq().

This allows for a major cleanup, removing the MULTI_OMAP setup
from the interrupt path.

Tested on both Panda and IGEPv2 (single kernel image)

Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Provide the OMAP2/3 IRQ code with low level handlers that can be used
by platforms using CONFIG_MULTI_IRQ_HANDLER. Though the handlers are
written in C, the compiled code looks very similar to its assembly
counterpart (at least with my gcc 4.4.1).

Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the zynq platform to be using the gic_handle_irq
function as its primary interrupt handler.

Acked-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the cns3xxx platform to be using the gic_handle_irq
function as its primary interrupt handler.

Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the SMP shmobile platforms to use gic_handle_irq() instead
of the assembly macro.

Cc: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the ux500 platforms to be using the gic_handle_irq
function as their primary interrupt handler.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the tegra2 platforms to be using the gic_handle_irq
function as their primary interrupt handler.

Tested on harmony.

Cc: Colin Cross <ccross@android.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the Exynos4 platforms to be using the gic_handle_irq
function as their primary interrupt handler.

Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the SMP msm platforms to be using the gic_handle_irq
function as their primary interrupt handler.

Tested-by: David Brown <davidb@codeaurora.org>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the VExpress platform to be using the gic_handle_irq
function as its primary interrupt handler.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the RealView platforms to be using the gic_handle_irq
function as their primary interrupt handler.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the highbank platform to be using the gic_handle_irq
function as its primary interrupt handler.

Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Convert the SMP imx platforms to use the global gic_handle_irq()
function instead a private function.

Cc: Sascha Hauer <kernel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Provide the GIC code with a low level handler that can be used
by platforms using CONFIG_MULTI_IRQ_HANDLER.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Before introducing a global gic_handle_irq(), rename
MXC's version to mxc_gic_handle_irq(). This function will be
removed altogether in a later patch.

Cc: Sascha Hauer <kernel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Even when CONFIG_MULTI_IRQ_HANDLER is selected, the core code
requires the arch_irq_handler_default macro to be defined as
a fallback.

It turns out nobody is using that particular feature as both PXA
and shmobile have all their machine descriptors populated with
the interrupt handler, leaving unused code (or empty macros) in
their entry-macro.S file just to be able to compile entry-armv.S.

Make CONFIG_MULTI_IRQ_HANDLER exclusive wrt arch_irq_handler_default,
which allows to remove one test from the hot path. Also cleanup both
PXA and shmobile entry-macro.S.

Cc: Paul Mundt <lethal@linux-sh.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Tested-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

The GIC support code is heavily using the fact that hardware
implementations are exposing banked registers. Unfortunately, it
looks like at least one GIC implementation (EXYNOS) offers both
the distributor and the CPU interfaces at different addresses,
depending on the CPU.

This problem is solved by allowing the distributor and CPU interface
addresses to be per-cpu variables for the platforms that require it.
The EXYNOS code is updated not to mess with the GIC internals while
handling interrupts, and struct gic_chip_data is back to being private.
The DT binding for the gic is updated to allow an optional "cpu-offset"
value, which is used to compute the various base addresses.

Finally, a new config option (GIC_NON_BANKED) is used to control this
feature, so the overhead is only present on kernels compiled with
support for EXYNOS.

Tested on Origen (EXYNOS4) and Panda (OMAP4).

Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

* 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu: omap: Fix compile failure

* 'fixes' of git://git.linaro.org/people/triad/linux-pinctrl:
  pinctrl: hide subsystem from the populace
  pinctrl: fix "warning: 'struct pinctrl_dev' declared inside parameter list"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
  fsl-rio: fix compile error

* 'gpio/merge' of git://git.secretlab.ca/git/linux-2.6:
  gpio: pca953x: propagate the errno from the chip_init functions
  gpio: pca953x: remove unneeded check for chip type
  gpio/omap: check return value from irq_alloc_generic_chip
  gpio/omap: replace MOD_REG_BIT macro with static inline

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin:
  blackfin: Fixup export.h includes
  Blackfin: add serial TX IRQ in individual platform resource

On a corrupted file system the ->len field could be wrong leading to
a buffer overflow.

Reported-and-acked-by: Clement LECIGNE <clement.lecigne@netasq.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

The "#include <linux/module.h>" was replaced by "#include <linux/export.h>"
in the patch "powerpc: various straight conversions from module.h --> export.h".
This will cause the following compile problem:
arch/powerpc/sysdev/fsl_rio.c: In function 'fsl_rio_mcheck_exception':
arch/powerpc/sysdev/fsl_rio.c:296: error: implicit declaration of function 'search_exception_tables'.

The file fsl_rio.c needs the declaration of function "search_exception_tables"
in the header file "linux/module.h".

Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

Commit 8dc7a9c8

 ("blackfin: Add export.h to files using
EXPORT_SYMBOL/THIS_MODULE") inserted some of the include statements into
sections protected by an unrelated #if CONFIG_... statement. This can cause,
depending on the configuration used, warnings like this one:

	arch/blackfin/mach-bf537/boards/stamp.c:2940: warning: data definition has no type or storage class
	arch/blackfin/mach-bf537/boards/stamp.c:2940: warning: type defaults to ‘int’ in declaration of ‘EXPORT_SYMBOL’
	arch/blackfin/mach-bf537/boards/stamp.c:2940: warning: parameter names (without types) in function declaration

This patch fixes it by moving the includes out of the #if protected sections.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

The serial TX IRQ is not simply (RX IRQ + 1) on some Blackfin chips,
so move the values to the platform resources.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bob Liu <lliubbo@gmail.com>

* 'rmobile-fixes-for-linus' of git://github.com/pmundt/linux-sh:
  ARM: mach-shmobile: cpuidle single/global and last_state fixes
  ARM: mach-shmobile: move helper macro PORTCR to sh_pfc.h
  ARM: mach-shmobile: move helper macro PORT_xx to sh_pfc.h
  ARM: mach-shmobile: move helper macro PORT_DATA_xx to sh_pfc.h
  ARM: mach-shmobile: ap4evb: remove white space from end of line
  ARM: mach-shmobile: clock-sh7372: remove un-necessary index
  ARM: mach-shmobile: kota2: add comment out separator
  ARM: mach-shmobile: sh73a0: add MMC data pin pull-up

* 'sh-fixes-for-linus' of git://github.com/pmundt/linux-sh:
  mailmap: Fix up some renesas attributions
  sh: clkfwk: Kill off remaining debugfs cruft.
  drivers: sh: Kill off dead pathname for runtime PM stub.
  drivers: sh: Generalize runtime PM platform stub.
  sh: Wire up process_vm syscalls.
  sh: clkfwk: add clk_rate_mult_range_round()
  serial: sh-sci: Fix up SH-2A SCIF support.
  sh: Fix cached/uncaced address calculation in 29bit mode

* git://github.com/rustyrussell/linux:
  virtio-pci: fix use after free

Commit 31a3ddda

 introduced
a use after free in virtio-pci. The main issue is
that the release method signals removal of the virtio device,
while remove signals removal of the pci device.

For example, on driver removal or hot-unplug,
virtio_pci_release_dev is called before virtio_pci_remove.
We then might get a crash as virtio_pci_remove tries to use the
device freed by virtio_pci_release_dev.

We allocate/free all resources together with the
pci device, so we can leave the release method empty.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms/combios: fix dynamic allocation of PM clock modes

After commit e978aa7d

 ("cpuidle: Move dev->last_residency update to
driver enter routine; remove dev->last_state") setting acpi_idle_suspend
to 1 by acpi_processor_suspend() causes the ACPI cpuidle routines to
return error codes continuously, which in turn causes cpuidle to lock up
(hard).

However, acpi_idle_suspend doesn't appear to be useful for any
particular purpose (it's racy and doesn't really provide any real
protection), so it can be removed, which makes the problem go away.

Reported-and-tested-by: Tomas M. <tmezzadra@gmail.com>
Reported-and-tested-by: Ferenc Wagner <wferi@niif.hu>
Tested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

I missed the combios path when I updated the atombios pm code.

Reported by amarsh04 on IRC.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  arm/imx: fix imx6q mmc error when mounting rootfs
  arm/imx: fix AUTO_ZRELADDR selection
  arm/imx: fix the references to ARCH_MX3
  ARM: mx51/53: set pwm clock parent to ipg_perclk
  arm/tegra: enable headphone detection gpio on seaboard
  arm/dt: Fix ventana SDHCI power-gpios
  arm/tegra: Don't create duplicate gpio and pinmux devices
  ARM: at91: Fix USBA gadget registration
  atmel/spi: fix missing probe
  at91/yl-9200: Fix section mismatch
  at91: vmalloc fix missing AT91_VIRT_BASE define
  ARM: at91: usart: drop static map regs for dbgu
  ARM: picoxcell: add extra temp register to addruart
  ARM: msm: fix compilation flags for MSM_SCM
  arm/mxs: fix mmc device adding for mach-mx28evk
  ARM: mxc: Remove test_for_ltirq
  ARM:i.MX: fix build error in clock-mx51-mx53.c
  ARM:i.MX: fix build error in tzic/avic.c
  ARM: mxc: fix local timer interrupt handling
  msm: boards: Fix fallout from removal of machine_desc in fixup

The variable i is removed by commit ded84337


"[CPUFREQ] db8500: remove unneeded for loop iteration over freq_table",
but current code to print available frequencies still uses the i variable.
Thus add the i variable back to fix below buld error:

  CC      drivers/cpufreq/db8500-cpufreq.o
drivers/cpufreq/db8500-cpufreq.c: In function 'db8500_cpufreq_init':
drivers/cpufreq/db8500-cpufreq.c:123: error: 'i' undeclared (first use in this function)
drivers/cpufreq/db8500-cpufreq.c:123: error: (Each undeclared identifier is reported only once
drivers/cpufreq/db8500-cpufreq.c:123: error: for each function it appears in.)
make[2]: *** [drivers/cpufreq/db8500-cpufreq.o] Error 1
make[1]: *** [drivers/cpufreq] Error 2
make: *** [drivers] Error 2

This patch also fixes using uninitialized i variable as array index.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dave Jones <davej@redhat.com>