From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Thu, 7 Apr 2016 10:56:01 -0700 Subject: [RFC PATCH] PM / wakeirq: fix wakeirq setting after wakup re-configuration from sysfs In-Reply-To: <1459943153-2553-1-git-send-email-grygorii.strashko@ti.com> References: <1459943153-2553-1-git-send-email-grygorii.strashko@ti.com> Message-ID: <20160407175600.GN16484@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Grygorii Strashko [160406 04:47]: > Now wakeirq stops working for device if wakeup option for > this device will be reconfigured through sysfs, like: > > echo disabled > /sys/devices/platform/extcon_usb1/power/wakeup > echo enabled > /sys/devices/platform/extcon_usb1/power/wakeup > > Once above set of commands is executed the device's wakeup_source > opject will be recreated and dev->power.wakeup->wakeirq field will > contain NULL. As result, device_wakeup_arm_wake_irqs() will not arm > wakeirq for the affected device. > > Hece, lets try to fix it in the following way: > check for dev->wakeirq field when device_wakeup_attach() is called > and if !NULL re-attach wakeirq to the device Yeah I think that's all there is to it, thanks for fixing it: Acked-by: Tony Lindgren