On Fri, Mar 4, 2016 at 9:44 AM, qiujiang <qiujiang@xxxxxxxxxx> wrote:
> This patch adds the support for the gpio-signaled acpi event.
> This is used for power button on hisilicon D02 board, which
> is an arm64 platform.
>
> To support this function, _AEI and _Exx objects must be
> defined in the corresponding GPIO device as follows:
>
> Name (_AEI, ResourceTemplate () {
> GpioInt(Edge, ActiveLow, ExclusiveAndWake, PullUp,
> , " \\_SB.GPI0") {8}
> })
> Method (_E08, 0x0, NotSerialized) {
> Notify (\_SB.PWRB, 0x80)
> }
>
> Acked-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Signed-off-by: qiujiang <qiujiang@xxxxxxxxxx>
This one fine to me.
> ---
> drivers/gpio/gpio-dwapb.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
> index 2ae506f..043e1c2 100644
> --- a/drivers/gpio/gpio-dwapb.c
> +++ b/drivers/gpio/gpio-dwapb.c
> @@ -28,6 +28,8 @@
> #include <linux/platform_data/gpio-dwapb.h>
> #include <linux/slab.h>
>
> +#include "gpiolib.h"
> +
> #define GPIO_SWPORTA_DR 0x00
> #define GPIO_SWPORTA_DDR 0x04
> #define GPIO_SWPORTB_DR 0x0c
> @@ -437,6 +439,10 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio,
> else
> port->is_registered = true;
>
> + /* Add GPIO-signaled ACPI event support */
> + if (pp->irq)
> + acpi_gpiochip_request_interrupts(&port->gc);
> +
> return err;
> }
>
> --
> 1.9.1
>
--
With Best Regards,
Andy Shevchenko
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