Messages in this thread | | | From | Heiko Stübner <> | Subject | Re: [PATCH] pinctrl: rockchip: Avoid losing interrupts when supporting both edges | Date | Sat, 27 Dec 2014 19:29:23 +0100 |
| |
Am Montag, 22. Dezember 2014, 10:47:29 schrieb Doug Anderson: > I was seeing cases where I was losing interrupts when inserting and > removing SD cards. Sometimes the card would get "stuck" in the > inserted state. > > I believe that the problem was related to the code to handle the case > where we needed both rising and falling edges. This code would > disable the interrupt as the polarity was switched. If an interrupt > came at the wrong time it could be lost. > > We'll match what the gpio-dwapb.c driver does upstream and change the > interrupt polarity without disabling things. > > Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de> on a rk3188 board with the edge triggered power-button Tested-by: Heiko Stuebner <heiko@sntech.de>
Heiko
| |