On Thu, 7 Jan 2016, Quan Nguyen wrote:
> -static int apm_gpio_sb_to_irq(struct gpio_chip *gc, u32 gpio)
> +static void xgene_gpio_sb_irq_ack(struct irq_data *d)
> +{
> + struct irq_data *irqdata;
> + struct xgene_gpio_sb *priv = irq_data_get_irq_chip_data(d);
> +
> + irqdata = irq_get_irq_data(priv->gic_virq[d->hwirq]);
> + if (!irqdata || !irqdata->chip)
> + return;
What the heck is this? Why are you looking up some random other irq and fiddle
with its irq chip?
This is a 1:1 mapping from your gpio irq to a gic irq. We have hierarchical
interrupt domains for this.
Thanks,
tglx
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