diff options
| author | Johan Hovold <johan@kernel.org> | 2015-01-13 13:00:06 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-01-15 17:20:56 +0100 |
| commit | ebbeba120ab2ec6ac5f3afc1425ec6ff0b77ad6f (patch) | |
| tree | 34ced1282b4b34b9ee79e9e0549dbca3ade7aab6 /drivers/gpio/gpiolib.h | |
| parent | 0915e6feb38de8d3601819992a5bd050201a56fa (diff) | |
| download | lwn-ebbeba120ab2ec6ac5f3afc1425ec6ff0b77ad6f.tar.gz lwn-ebbeba120ab2ec6ac5f3afc1425ec6ff0b77ad6f.zip | |
gpio: sysfs: fix gpio attribute-creation race
Fix attribute-creation race with userspace by using the default group
to create also the contingent gpio device attributes.
Fixes: d8f388d8dc8d ("gpio: sysfs interface")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpiolib.h')
| -rw-r--r-- | drivers/gpio/gpiolib.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index e3a52113a541..550a5eafbd38 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -77,6 +77,7 @@ struct gpio_desc { #define FLAG_OPEN_DRAIN 7 /* Gpio is open drain type */ #define FLAG_OPEN_SOURCE 8 /* Gpio is open source type */ #define FLAG_USED_AS_IRQ 9 /* GPIO is connected to an IRQ */ +#define FLAG_SYSFS_DIR 10 /* show sysfs direction attribute */ #define ID_SHIFT 16 /* add new flags before this one */ |