Re: [PATCH 5/8] irqchip: Conexant CX92755 interrupts controller driver

From: Arnd Bergmann
Date: Tue Dec 23 2014 - 16:02:37 EST


On Tuesday 23 December 2014 09:58:42 Baruch Siach wrote:
> +static void __exception_irq_entry digicolor_handle_irq(struct pt_regs *regs)
> +{
> + u32 status, hwirq;
> +
> + do {
> + status = readl(digicolor_irq_base + IC_INT0STATUS_LO);
> + if (status) {
> + hwirq = ffs(status) - 1;
> + } else {
> + status = readl(digicolor_irq_base + IC_INT0STATUS_XLO);
> + if (status)
> + hwirq = ffs(status) - 1 + 32;
> + else
> + return;
> + }
> +
> + handle_domain_irq(digicolor_irq_domain, hwirq, regs);
> + } while (1);
> +}
>

Have you tried using the generic_irqchip code for this? The hardware
seems simple enough.

Arnd
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