- Sep 14, 2014
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git://git.infradead.org/users/jcooper/linuxThomas Gleixner authored
irqchip core changes for v3.18 - renesas: suspend to RAM, runtime PM, cleanups and DT binding docs - keystone: add new driver - hip04: add Hisilicon HiP04 driver (without touching irq-gic.c) - gic: Use defines instead of magic number, preserve v2 bybass bits - handle_domain_irq: common low level interrupt entry handler
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Jason Cooper authored
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Jason Cooper authored
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Jason Cooper authored
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Jason Cooper authored
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Geert Uytterhoeven authored
This is just enough to let pm_clk_*() enable the functional clock, and manage it for suspend/resume, if present. Before, it was assumed enabled by the bootloader or reset state. To prevent the clock from being disabled while the module is needed for wake-up, implement irq_chip.irq_set_wake(), which increments/decrements the clock's enable_count when needed. Signed-off-by:
Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lkml.kernel.org/r/1410527720-18061-3-git-send-email-geert+renesas@glider.be Signed-off-by:
Jason Cooper <jason@lakedaemon.net>
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Geert Uytterhoeven authored
Signed-off-by:
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Geert Uytterhoeven authored
- r8a7792 (R-Car V2H) - r8a7793 (R-Car M2-N) - r8a7794 (R-Car E2) r8a7791 is now called "R-Car M2-W". Signed-off-by:
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Geert Uytterhoeven authored
The renesas-irqc driver supports DT, but the DT binding documentation was missing. Signed-off-by:
Simon Horman <horms+renesas@verge.net.au> Link: https://lkml.kernel.org/r/1409212800-4957-2-git-send-email-geert+renesas@glider.be Signed-off-by:
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Geert Uytterhoeven authored
The documentation only mentioned the generic fallback compatible property. Add the missing SoC-specific compatible properties, which are already in use. Signed-off-by:
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- Sep 03, 2014
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Marc Zyngier authored
The openrisc irqchip driver has been converted to handle_domain_irq, making it possible to remove the handle_IRQ stub entierely. Signed-off-by:
Marc Zyngier <marc.zyngier@arm.com> Acked-by:
Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Link: https://lkml.kernel.org/r/1409047421-27649-27-git-send-email-marc.zyngier@arm.com Signed-off-by:
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Marc Zyngier authored
All the arm64 irqchip drivers have been converted to handle_domain_irq, making it possible to remove the handle_IRQ stub entierely. Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com> Link: https://lkml.kernel.org/r/1409047421-27649-26-git-send-email-marc.zyngier@arm.com Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
Tony Lindgren <tony@atomide.com> Link: https://lkml.kernel.org/r/1409047421-27649-25-git-send-email-marc.zyngier@arm.com Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
Shawn Guo <shawn.guo@freescale.com> Link: https://lkml.kernel.org/r/1409047421-27649-24-git-send-email-marc.zyngier@arm.com Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by:
Boris Brezillon <boris.brezillon@free-electrons.com> Link: https://lkml.kernel.org/r/1409047421-27649-21-git-send-email-marc.zyngier@arm.com Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
Use the new handle_domain_irq method to handle interrupts. Signed-off-by:
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Marc Zyngier authored
In order to limit code duplication, convert the architecture specific handle_IRQ to use the generic __handle_domain_irq function. Signed-off-by:
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Marc Zyngier authored
In order to limit code duplication, convert the architecture specific handle_IRQ to use the generic __handle_domain_irq function. Signed-off-by:
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Marc Zyngier authored
In order to limit code duplication, convert the architecture specific handle_IRQ to use the generic __handle_domain_irq function. Signed-off-by:
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Marc Zyngier authored
Calling irq_find_mapping from outside a irq_{enter,exit} section is unsafe and produces ugly messages if CONFIG_PROVE_RCU is enabled: If coming from the idle state, the rcu_read_lock call in irq_find_mapping will generate an unpleasant warning: <quote> =============================== [ INFO: suspicious RCU usage. ] 3.16.0-rc1+ #135 Not tainted ------------------------------- include/linux/rcupdate.h:871 rcu_read_lock() used illegally while idle! other info that might help us debug this: RCU used illegally from idle CPU! rcu_scheduler_active = 1, debug_locks = 0 RCU used illegally from extended quiescent state! 1 lock held by swapper/0/0: #0: (rcu_read_lock){......}, at: [<ffffffc00010206c>] irq_find_mapping+0x4c/0x198 </quote> As this issue is fairly widespread and involves at least three different architectures, a possible solution is to add a new handle_domain_irq entry point into the generic IRQ code that the interrupt controller code can call. This new function takes an irq_domain, and calls into irq_find_domain inside the irq_{enter,exit} block. An additional "lookup" parameter is used to allow non-domain architecture code to be replaced by this as well. Interrupt controllers can then be updated to use the new mechanism. This code is sitting behind a new CONFIG_HANDLE_DOMAIN_IRQ, as not all architectures implement set_irq_regs (yes, mn10300, I'm looking at you...). Reported-by:Vladimir Murzin <vladimir.murzin@arm.com> Signed-off-by:
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Geert Uytterhoeven authored
Signed-off-by:
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Grygorii Strashko authored
Remove static checker warning: drivers/irqchip/irq-keystone.c:166 keystone_irq_probe() warn: unsigned 'kirq->irq' is never less than zero. Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Grygorii Strashko <grygorii.strashko@ti.com> Link: https://lkml.kernel.org/r/1409246189-29727-1-git-send-email-grygorii.strashko@ti.com Signed-off-by:
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- Aug 21, 2014
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Geert Uytterhoeven authored
Set the ->irq_enable() and ->irq_disable() methods to NULL to enable lazy disable of interrupts, and set IRQCHIP_MASK_ON_SUSPEND to tell the core that only IRQs marked as wake-ups need to stay enabled during suspend-to-RAM. This makes wake-up by gpio-keys from suspend-to-RAM work on r8a7740/Armadillo. Signed-off-by:
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- Aug 20, 2014
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Haojian Zhuang authored
HiP04 GIC is the variate of ARM GICv2. ARM GICv2 supports 8 cores. HiP04 GIC extends to support 16 cores. It results that bit fields in GIC_DIST_TARGET & GIC_DIST_SOFTINT are different from ARM GICv2. And the maximium IRQ is downgrade from 1020 to 510. Since different register offset & bitfields definitation breaks compartible with ARM GICv2, create a new hip04 irq driver. And this driver is derived from irq-gic.c to support the Hisilicon HiP04 interrupt controller, which is similar to the GIC, but deviates at some points. Support for power management, non-banked registers, cascaded GICs (and multiple controllers in general) and bigLittle support has been removed from the GIC driver. Affinity related functions have been adjusted to match the Hisilicon hardware implementation. Signed-off-by:
Haojian Zhuang <haojian.zhuang@linaro.org> Link: https://lkml.kernel.org/r/1407408695-19626-9-git-send-email-haojian.zhuang@linaro.org Signed-off-by:
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