Re: [PATCH 0/3] irqchip: atmel-aic: Add irq RTC fixups
From: Boris BREZILLON
Date: Thu Jul 10 2014 - 14:32:58 EST
On Thu, 10 Jul 2014 20:25:38 +0200
Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx> wrote:
> 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 is what I was talking about:
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/