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* irqchip/exynos-combiner: Fix usage of __raw IOBen Dooks2016-06-231-7/+7
| | | | | | | | | | | Fix the use of __raw IO accessors when the readl/writel_relaxed are better. This should fix issues if the kernel is running as big endian. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> [jac: reformat subject line, fix commit message typo] Link: https://lkml.kernel.org/r/1466504432-24187-9-git-send-email-ben.dooks@codethink.co.uk Signed-off-by: Jason Cooper <jason@lakedaemon.net>
* irqdomain: Use irq_domain_get_of_node() instead of direct field accessMarc Zyngier2015-10-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | | The struct irq_domain contains a "struct device_node *" field (of_node) that is almost the only link between the irqdomain and the device tree infrastructure. In order to prepare for the removal of that field, convert all users to use irq_domain_get_of_node() instead. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Reviewed-and-tested-by: Hanjun Guo <hanjun.guo@linaro.org> Tested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: Tomasz Nowicki <tomasz.nowicki@linaro.org> Cc: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Cc: Graeme Gregory <graeme@xora.org.uk> Cc: Jake Oshins <jakeo@microsoft.com> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Link: http://lkml.kernel.org/r/1444737105-31573-2-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* irqchip: Kill off set_irq_flags usageRob Herring2015-09-161-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | set_irq_flags is ARM specific with custom flags which have genirq equivalents. Convert drivers to use the genirq interfaces directly, so we can kill off set_irq_flags. The translation of flags is as follows: IRQF_VALID -> !IRQ_NOREQUEST IRQF_PROBE -> !IRQ_NOPROBE IRQF_NOAUTOEN -> IRQ_NOAUTOEN For IRQs managed by an irqdomain, the irqdomain core code handles clearing and setting IRQ_NOREQUEST already, so there is no need to do this in .map() functions and we can simply remove the set_irq_flags calls. Some users also modify IRQ_NOPROBE and this has been maintained although it is not clear that is really needed. There appears to be a great deal of blind copy and paste of this code. Signed-off-by: Rob Herring <robh@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: Russell King <linux@arm.linux.org.uk> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Lee Jones <lee@kernel.org> Cc: Alexander Shiyan <shc_work@mail.ru> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: linux-rpi-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Link: http://lkml.kernel.org/r/1440889285-5637-3-git-send-email-robh@kernel.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* genirq: Remove irq argument from irq flow handlersThomas Gleixner2015-09-161-4/+2
| | | | | | | | | | | | | | Most interrupt flow handlers do not use the irq argument. Those few which use it can retrieve the irq number from the irq descriptor. Remove the argument. Search and replace was done with coccinelle and some extra helper scripts around it. Thanks to Julia for her help! Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Jiang Liu <jiang.liu@linux.intel.com>
* drivers/irqchip: Replace pr_warning by pr_warnWang Long2015-07-221-2/+2
| | | | | | | | | | | | | | Update the last pr_warning callsite in drivers/irqchip. Signed-off-by: Wang Long <long.wanglong@huawei.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: <wanglong@laoqinren.net> Cc: <peifeiyue@huawei.com> Cc: <jason@lakedaemon.net> Cc: <kgene@kernel.org> Cc: <k.kozlowski@samsung.com> Link: http://lkml.kernel.org/r/1437466261-147373-1-git-send-email-long.wanglong@huawei.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* irqchip/exynos: Prepare combiner_handle_cascade_irq for irq argument removalThomas Gleixner2015-07-161-1/+3
| | | | | | | | | | | | The irq argument of most interrupt flow handlers is unused or merily used instead of a local variable. The handlers which need the irq argument can retrieve the irq number from the irq descriptor. Search and update was done with coccinelle and the invaluable help of Julia Lawall. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr>
* irqchip: Use irq_desc_get_xxx() to avoid redundant lookup of irq_descJiang Liu2015-07-111-2/+2
| | | | | | | | | | | | | | | | | | | | | Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we already have a pointer to corresponding irq_desc. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: linux-arm-kernel@lists.infradead.org Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Link: http://lkml.kernel.org/r/1433391238-19471-11-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* irqchip/exynos-combiner: Consolidate chained IRQ handler install/removeThomas Gleixner2015-07-111-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Chained irq handlers usually set up handler data as well. We now have a function to set both under irq_desc->lock. Replace the two calls with one. Search and conversion was done with coccinelle: @@ expression E1, E2, E3; @@ ( -if (irq_set_handler_data(E1, E2) != 0) - BUG(); | -irq_set_handler_data(E1, E2); ) -irq_set_chained_handler(E1, E3); +irq_set_chained_handler_and_data(E1, E3, E2); @@ expression E1, E2, E3; @@ ( -if (irq_set_handler_data(E1, E2) != 0) - BUG(); ... | -irq_set_handler_data(E1, E2); ... ) -irq_set_chained_handler(E1, E3); +irq_set_chained_handler_and_data(E1, E3, E2); Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org
* irqchip: Prepare for local stub header removalJoel Porquet2015-07-111-2/+1
| | | | | | | | | | | | | | | | | The IRQCHIP_DECLARE macro moved to to 'include/linux/irqchip.h', so the local irqchip.h became an empty shell, which solely includes include/linux/irqchip.h Include the global header in all irqchip drivers instead of the local header, so we can remove it. Signed-off-by: Joel Porquet <joel@porquet.org> Cc: vgupta@synopsys.com Cc: monstr@monstr.eu Cc: ralf@linux-mips.org Cc: jason@lakedaemon.net Link: http://lkml.kernel.org/r/1882096.X39jVG8e0D@joel-zenbook Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* irqchip: exynos-combiner: Save IRQ enable set on suspendJavier Martinez Canillas2015-06-161-5/+59
| | | | | | | | | | | | | | | | | | | | | | | | The Exynos interrupt combiner IP loses its state when the SoC enters into a low power state during a Suspend-to-RAM. This means that if a IRQ is used as a source, the interrupts for the devices are disabled when the system is resumed from a sleep state so are not triggered. Save the interrupt enable set register for each combiner group and restore it after resume to make sure that the interrupts are enabled. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Kukjin Kim <kgene@kernel.org> Cc: Tomasz Figa <tomasz.figa@gmail.com> Cc: Doug Anderson <dianders@chromium.org> Cc: linux-arm-kernel@lists.infradead.org Cc: Peter Chubb <peter.chubb@nicta.com.au> Cc: Shuah Khan <shuahkhan@gmail.com> Cc: Chanho Park <parkch98@gmail.com> Cc: Sudeep Holla <sudeep.holla@arm.com> Link: http://lkml.kernel.org/r/1434087795-13990-1-git-send-email-javier.martinez@collabora.co.uk Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* irqchip: Constify irq_domain_opsKrzysztof Kozlowski2015-05-051-1/+1
| | | | | | | | | | | | | | | | | | The irq_domain_ops are not modified by the driver and the irqdomain core code accepts pointer to a const data. Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Kukjin Kim <kgene@kernel.org> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Lee Jones <lee@kernel.org> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-rpi-kernel@lists.infradead.org Cc: linux-mediatek@lists.infradead.org Link: http://lkml.kernel.org/r/1430139264-4362-2-git-send-email-k.kozlowski.k@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* irqchip: exynos-combiner: Fix compilation error on ARM64Naveen Krishna Chatradhi2014-09-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | The following compilation error occurs on 64-bit Exynos7 SoC: drivers/irqchip/exynos-combiner.c: In function ‘combiner_irq_domain_map’: drivers/irqchip/exynos-combiner.c:162:2: error: implicit declaration of function ‘set_irq_flags’ [-Werror=implicit-function-declaration] set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); ^ drivers/irqchip/exynos-combiner.c:162:21: error: ‘IRQF_VALID’ undeclared (first use in this function) set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); ^ drivers/irqchip/exynos-combiner.c:162:21: note: each undeclared identifier is reported only once for each function it appears in drivers/irqchip/exynos-combiner.c:162:34: error: ‘IRQF_PROBE’ undeclared (first use in this function) set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); Fix the build error by including linux/interrupt.h. Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Cooper <jason@lakedaemon.net> Cc: Sudeep Holla <sudeep.holla@arm.com> Link: https://lkml.kernel.org/r/1409722329-18309-1-git-send-email-ch.naveen@samsung.com Signed-off-by: Jason Cooper <jason@lakedaemon.net>
* irqchip: exynos-combiner: call handle_bad_irq directlyPankaj Dubey2014-02-141-2/+1
| | | | | | | | | | | | This patch is inspired from following commit aec00956 (irqchip: gic: Call handle_bad_irq() directly) Also this will help in removing unwanted inclusion of header file "asm/mach/irq.h" Signed-off-by: Pankaj Dubey <pankaj.dubey@samsung.com> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
* irqchip: exynos-combiner: remove hard-coded irq_base valueChander Kashyap2013-12-021-12/+3
| | | | | | | | | Replace irq_domain_add_simple with "irq_domain_add_linear" in order to use linear irq domain, and to remove hardcoded irq_base_value. Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
* irqchip: exynos: cleanup non-DT stuff in exynos-combinerKukjin Kim2013-07-161-43/+1
| | | | | | | | For EXYNOS SoCs, only can support for DT so removes non-DT stuff in exynos-combiner. Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
* irqchip: exynos-combiner: Staticize combiner_initSachin Kamat2013-06-281-4/+4
| | | | | | | | | | | | | | 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>
* Merge tag 'multiplatform-for-linus-2' of ↵Linus Torvalds2013-05-071-61/+64
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ...
| * irqchip: exynos: look up irq using irq_find_mappingArnd Bergmann2013-04-191-7/+6
| | | | | | | | | | | | | | | | | | | | | | 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>
| * irqchip: exynos: pass irq_base from platformArnd Bergmann2013-04-191-10/+13
| | | | | | | | | | | | | | | | | | | | | | 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>
| * irqchip: exynos: localize irq lookup for ATAGSArnd Bergmann2013-04-191-7/+12
| | | | | | | | | | | | | | | | | | 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>
| * irqchip: exynos: allocate combiner_data dynamicallyArnd Bergmann2013-04-191-13/+23
| | | | | | | | | | | | | | | | | | | | | | | | 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>
| * irqchip: exynos: pass max combiner number to combiner_initArnd Bergmann2013-04-191-30/+16
| | | | | | | | | | | | | | | | | | | | | | | | 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>
* | Merge tag 'drivers-for-linus' of ↵Linus Torvalds2013-05-041-18/+62
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 ...
| * irqchip: exynos-combiner: Correct combined IRQs for exynos4Chanho Park2013-04-091-13/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | 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>
| * irqchip: exynos-combiner: Add set_irq_affinity function for combiner_irqChanho Park2013-04-091-5/+25
| | | | | | | | | | | | | | | | | | | | | | | | 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>
* | arm: Move chained_irq_(enter|exit) to a generic fileCatalin Marinas2013-03-261-0/+1
|/ | | | | | | | | | | | | These functions have been introduced by commit 10a8c383 (irq: introduce entry and exit functions for chained handlers) in asm/mach/irq.h. This patch moves them to linux/irqchip/chained_irq.h so that generic irqchip drivers do not rely on architecture specific header files. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Marc Zyngier <marc.zyngier@arm.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Rob Herring <rob.herring@calxeda.com>
* ARM: exynos: move exynos4210-combiner to drivers/irqchipRob Herring2013-02-121-0/+230
Exynos boot is broken with commit 0529e315 (ARM: use common irqchip_init for GIC init). This commit split the irqchip initialization into 2 calls to of_irq_init. This does not work because of_irq_init requires interrupt parents to be in the match list. Rather than reverting exynos changes, make it do the proper thing by using IRQCHIP_DECLARE. This requires moving the combiner code to drivers/irqchip. Reported-by: Doug Anderson <dianders@chromium.org> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-samsung-soc@vger.kernel.org Signed-off-by: Olof Johansson <olof@lixom.net>
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