Re: [PATCH v6 1/2] irqchip: imx-gpcv2: IMX GPCv2 driver for wakeup sources

From: Thomas Gleixner
Date: Sun Jul 26 2015 - 07:48:40 EST


On Wed, 22 Jul 2015, Shenwei Wang wrote:
> +static int imx_gpcv2_irq_set_wake(struct irq_data *d, unsigned int on)
> +{
> + struct imx_gpcv2_irq *cd = d->chip_data;
> + unsigned int idx = d->hwirq / 32;
> + unsigned long flags;
> + void __iomem *reg;
> + u32 mask, val;
> +
> + raw_spin_lock_irqsave(&cd->lock.rlock, flags);

Oh no. You need to make cd->lock a raw_spinlock and then use
raw_spin_lock_irqsave() on it. How on earth did you come up with this
hackery?

Thanks,

tglx
--
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/