Hi Thomas,
On 30/03/15 16:15, Roger Quadros wrote:
> Without this system suspend is broken on systems that have
> drivers calling enable/disable_irq_wake() for interrupts based off
> the dummy irq hook.
> (e.g. drivers/gpio/gpio-pcf857x.c)
>
> http://article.gmane.org/gmane.linux.kernel/1879035
>
> Signed-off-by: Roger Quadros <rog...@ti.com>
Any comments on this patch?
cheers,
-roger
> ---
> kernel/irq/dummychip.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/kernel/irq/dummychip.c b/kernel/irq/dummychip.c
> index 988dc58..2405d7a 100644
> --- a/kernel/irq/dummychip.c
> +++ b/kernel/irq/dummychip.c
> @@ -32,6 +32,11 @@ static unsigned int noop_ret(struct irq_data *data)
> return 0;
> }
>
> +static int noop_int_ret(struct irq_data *data, unsigned int val)
> +{
> + return 0;
> +}
> +
> /*
> * Generic no controller implementation
> */
> @@ -57,5 +62,6 @@ struct irq_chip dummy_irq_chip = {
> .irq_ack = noop,
> .irq_mask = noop,
> .irq_unmask = noop,
> + .irq_set_wake = noop_int_ret,
> };
> EXPORT_SYMBOL_GPL(dummy_irq_chip);
>
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