Messages in this thread | | | Subject | Re: [PATCH] extcon: usb-gpio: switch to use pm wakeirq apis | From | Roger Quadros <> | Date | Thu, 7 Apr 2016 11:23:25 +0300 |
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On 06/04/16 20:32, 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.strashko@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
cheers, -roger
> --- > 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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