diff options
| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-01-18 01:28:05 +0900 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2018-01-18 09:08:56 +0100 |
| commit | 85f9ef8cdfb463e6e8ff9fe8cdcc0aed438b526e (patch) | |
| tree | c10cb09051ce0191129171a5a496de91d33db8d3 /include | |
| parent | bc45719c1b1a56047246d44c7e4ed88a8ae702c1 (diff) | |
mmc: slot-gpio: add a helper to check capability of GPIO WP detection
Like mmc_can_gpio_cd(), mmc_can_gpio_ro() will also be useful for host
drivers to know whether GPIO write-protect detection is supported.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/slot-gpio.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h index 82f0d289f110..91f1ba0663c8 100644 --- a/include/linux/mmc/slot-gpio.h +++ b/include/linux/mmc/slot-gpio.h @@ -33,5 +33,6 @@ void mmc_gpio_set_cd_isr(struct mmc_host *host, irqreturn_t (*isr)(int irq, void *dev_id)); void mmc_gpiod_request_cd_irq(struct mmc_host *host); bool mmc_can_gpio_cd(struct mmc_host *host); +bool mmc_can_gpio_ro(struct mmc_host *host); #endif |