On 2016년 04월 07일 02:32, Grygorii Strashko wrote:
> Switch to use PM wakeirq APIs which automates wakeup IRQs
> enabling/disabling and so allows to make code simpler.
> 
> Signed-off-by: Grygorii Strashko <grygorii.stras...@ti.com>

Applied it.

Thanks,
Chanwoo Choi

> ---
> Unfortunately this simple patch depends on:
> "[RFC PATCH] PM / wakeirq: fix wakeirq setting after wakup re-configuration 
> from sysfs"
> https://lkml.org/lkml/2016/4/6/296
> 
>  drivers/extcon/extcon-usb-gpio.c | 19 ++++++-------------
>  1 file changed, 6 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-usb-gpio.c 
> b/drivers/extcon/extcon-usb-gpio.c
> index 2b2fecf..bc61d11 100644
> --- a/drivers/extcon/extcon-usb-gpio.c
> +++ b/drivers/extcon/extcon-usb-gpio.c
> @@ -24,6 +24,7 @@
>  #include <linux/module.h>
>  #include <linux/of_gpio.h>
>  #include <linux/platform_device.h>
> +#include <linux/pm_wakeirq.h>
>  #include <linux/slab.h>
>  #include <linux/workqueue.h>
>  
> @@ -141,7 +142,8 @@ static int usb_extcon_probe(struct platform_device *pdev)
>       }
>  
>       platform_set_drvdata(pdev, info);
> -     device_init_wakeup(dev, 1);
> +     device_init_wakeup(dev, true);
> +     dev_pm_set_wake_irq(dev, info->id_irq);
>  
>       /* Perform initial detection */
>       usb_extcon_detect_cable(&info->wq_detcable.work);
> @@ -155,6 +157,9 @@ static int usb_extcon_remove(struct platform_device *pdev)
>  
>       cancel_delayed_work_sync(&info->wq_detcable);
>  
> +     dev_pm_clear_wake_irq(&pdev->dev);
> +     device_init_wakeup(&pdev->dev, false);
> +
>       return 0;
>  }
>  
> @@ -164,12 +169,6 @@ static int usb_extcon_suspend(struct device *dev)
>       struct usb_extcon_info *info = dev_get_drvdata(dev);
>       int ret = 0;
>  
> -     if (device_may_wakeup(dev)) {
> -             ret = enable_irq_wake(info->id_irq);
> -             if (ret)
> -                     return ret;
> -     }
> -
>       /*
>        * We don't want to process any IRQs after this point
>        * as GPIOs used behind I2C subsystem might not be
> @@ -185,12 +184,6 @@ static int usb_extcon_resume(struct device *dev)
>       struct usb_extcon_info *info = dev_get_drvdata(dev);
>       int ret = 0;
>  
> -     if (device_may_wakeup(dev)) {
> -             ret = disable_irq_wake(info->id_irq);
> -             if (ret)
> -                     return ret;
> -     }
> -
>       enable_irq(info->id_irq);
>  
>       return ret;
> 

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