| Message ID | 1448644755-29183-1-git-send-email-sudeep.holla@arm.com |
|---|---|
| State | Accepted |
| Commit | 2f46205b4e4c1c2a4b72082f805753eb51fbfab5 |
| Headers | show |
On Fri, Nov 27, 2015 at 6:19 PM, Sudeep Holla <sudeep.holla@arm.com> wrote: > The PL061 supports interrupts and those can be wakeup interrupts. We > need to provide support for configuring those interrupts as wakeup > sources. > > This patch adds irq_set_wake callback for PL061 so that GPIO interrupts > can be configured as wakeup. > > Cc: Linus Walleij <linus.walleij@linaro.org> > Cc: Alexandre Courbot <gnurou@gmail.com> > Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> Patch applied, since I can't think of anything better. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c index 4d4b37676702..8b1cbd5767f9 100644 --- a/drivers/gpio/gpio-pl061.c +++ b/drivers/gpio/gpio-pl061.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/io.h> #include <linux/ioport.h> +#include <linux/interrupt.h> #include <linux/irq.h> #include <linux/irqchip/chained_irq.h> #include <linux/bitops.h> @@ -269,12 +270,20 @@ static void pl061_irq_ack(struct irq_data *d) spin_unlock(&chip->lock); } +static int pl061_irq_set_wake(struct irq_data *d, unsigned int state) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + return irq_set_irq_wake(gc->irq_parent, state); +} + static struct irq_chip pl061_irqchip = { .name = "pl061", .irq_ack = pl061_irq_ack, .irq_mask = pl061_irq_mask, .irq_unmask = pl061_irq_unmask, .irq_set_type = pl061_irq_type, + .irq_set_wake = pl061_irq_set_wake, }; static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
The PL061 supports interrupts and those can be wakeup interrupts. We need to provide support for configuring those interrupts as wakeup sources. This patch adds irq_set_wake callback for PL061 so that GPIO interrupts can be configured as wakeup. Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com> --- drivers/gpio/gpio-pl061.c | 9 +++++++++ 1 file changed, 9 insertions(+) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html