- 15 Nov, 2011 36 commits
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for samsung to help building multi platform kernels. Cc: Kukjin Kim <kgene.kim@samsung.com> Tested-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for versatile to help building multi platform kernels. Cc: Russell King <linux@arm.linux.org.uk> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for u300 to help building multi platform kernels. Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for spear to help building multi platform kernels. Acked-by: Viresh Kumar <viresh.kumar@st.com> Cc: Rajeev Kumar <rajeev-dlh.kumar@st.com> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for s3c64xx to help building multi platform kernels. Cc: Ben Dooks <ben-linux@fluff.org> Tested-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for nomadik to help building multi platform kernels. Cc: Alessandro Rubini <rubini@unipv.it> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: STEricsson <STEricsson_nomadik_linux@list.st.com> Tested-by: Thomas Abraham <thomas.abraham@linaro.org> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for netx to help building multi platform kernels. Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
Now that there is a generic IRQ handler for multiple VIC devices use it for ep93xx to help building multi platform kernels. Cc: Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <rmallon@gmail.com> Signed-off-by: Jamie Iles <jamie@jamieiles.com>
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Jamie Iles authored
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>
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Jamie Iles authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
After the MULTI_IRQ_HANDLER conversion, a couple of global variables can be removed. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Marc Zyngier authored
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>
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommuLinus Torvalds authored
* 'iommu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu: omap: Fix compile failure
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git://git.linaro.org/people/triad/linux-pinctrlLinus Torvalds authored
* '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"
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linuxLinus Torvalds authored
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux: fsl-rio: fix compile error
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git://git.secretlab.ca/git/linux-2.6Linus Torvalds authored
* '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
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git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfinLinus Torvalds authored
* '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
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Dan Carpenter authored
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>
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- 14 Nov, 2011 4 commits
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Liu Gang authored
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>
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Lars-Peter Clausen authored
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>
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Sonic Zhang authored
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>
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git://github.com/pmundt/linux-shLinus Torvalds authored
* '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
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