Messages in this thread |  | | Date | Thu, 17 Jul 2014 09:39:51 -0400 | From | Jason Cooper <> | Subject | Re: [PATCH 0/3] irqchip: atmel-aic: Add irq RTC fixups |
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On Thu, Jul 10, 2014 at 08:25:38PM +0200, Boris BREZILLON wrote: > Hello, > > This patch series introduce the notion of irq fixups for atmel SoCs. > > In most at91 SoCs the first interrupt line is shared by several IPs, and > some of these HW blocks might be in an unknown state when booting the > Linux kernel. > Hence these IPs might generate spurious interrupts if they've not masked > their irqs and the shared irq line is requested by another peripheral. > > These fixups were previously done in arch/arm/mach-at91/sysirq_mask.c > but as we're trying to use standard implementation (IRQCHIP_DECLARE and > automatic call of irqchip_init within arch/arm/kernel/irq.c) we need to > do those fixups in the irqchip driver. > > This series only fix RTC irqs, but other HW blocks (RTT, PMC, ...) will > be added later on. > > This series depends on this one [1]. > > Best Regards, > > Boris > > [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2014-July/271413.html > > Boris BREZILLON (3): > irqchip: atmel-aic: Add irq fixup infrastructure > irqchip: atmel-aic: Implement RTC irq fixup > irqchip: atmel-aic: Define irq fixups for atmel SoCs > > drivers/irqchip/irq-atmel-aic-common.c | 47 ++++++++++++++++++++++++++++++++++ > drivers/irqchip/irq-atmel-aic-common.h | 4 +++ > drivers/irqchip/irq-atmel-aic.c | 15 +++++++++++ > drivers/irqchip/irq-atmel-aic5.c | 12 +++++++++ > 4 files changed, 78 insertions(+)
Whole series applied on top of irqchip/atmel-aic.
thx,
Jason.
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