Re: [PATCH v2] ARM: pxa: fix pxa interrupts handling in DT

From: Robert Jarzmik
Date: Mon Feb 02 2015 - 15:22:18 EST


Robert Jarzmik <robert.jarzmik@xxxxxxx> writes:

> @@ -66,18 +67,20 @@ static inline void __iomem *irq_base(int i)
> void pxa_mask_irq(struct irq_data *d)
> {
> void __iomem *base = irq_data_get_irq_chip_data(d);
> + irq_hw_number_t irq = irqd_to_hwirq(d);
> uint32_t icmr = __raw_readl(base + ICMR);
>
> - icmr &= ~(1 << IRQ_BIT(d->irq));
> + icmr &= ~BIT(irq);
This should be : icmr &= ~BIT(irq & 0x1f);

> __raw_writel(icmr, base + ICMR);
> }
>
> void pxa_unmask_irq(struct irq_data *d)
> {
> void __iomem *base = irq_data_get_irq_chip_data(d);
> + irq_hw_number_t irq = irqd_to_hwirq(d);
> uint32_t icmr = __raw_readl(base + ICMR);
>
> - icmr |= 1 << IRQ_BIT(d->irq);
> + icmr |= BIT(irq);
Ditto.

> +void __init pxa_init_irq(int irq_nr, int (*fn)(struct irq_data *, unsigned int))
> +{
> + BUG_ON(irq_nr > MAX_INTERNAL_IRQS);
> +
> + pxa_irq_base = io_p2v(0x40d00000);
> + cpu_has_ipr = !cpu_is_pxa25x();
> + pxa_init_irq_common(NULL, irq_nr, fn);
> +}
This requires "select IRQ_DOMAIN" in arch/arm/Kconfig in ARCH_PXA.

--
Robert
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