| commit | 02a6794d57ce54b96b13db80831f35d66e0caf31 | [log] [tgz] |
|---|---|---|
| author | Axel Lin <axel.lin@gmail.com> | Sun Jul 29 10:54:42 2012 +0800 |
| committer | Linus Walleij <linus.walleij@linaro.org> | Fri Aug 17 07:35:42 2012 +0200 |
| tree | a395f2a69060931c3d6e3c4c43a38f5c45baa431 | |
| parent | f9c4a31f61501d25f0a45faae6a5cd701ad5694a [diff] |
gpio: gpio-ml-ioh: Use spinlock for register access protection gpio_chip.can_sleep is 0, but current code uses mutex in ioh_gpio_set, ioh_gpio_get and ioh_gpio_direction_input functions. Thus those functions are not callable from interrupt context. This patch converts mutex into spinlock. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>