diff options
Diffstat (limited to 'drivers/mmc/core/slot-gpio.c')
| -rw-r--r-- | drivers/mmc/core/slot-gpio.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c index 39f45c2b6de8..12247219e1c2 100644 --- a/drivers/mmc/core/slot-gpio.c +++ b/drivers/mmc/core/slot-gpio.c @@ -19,7 +19,7 @@ struct mmc_gpio { struct gpio_desc *ro_gpio; struct gpio_desc *cd_gpio; - irqreturn_t (*cd_gpio_isr)(int irq, void *dev_id); + irq_handler_t cd_gpio_isr; char *ro_label; char *cd_label; u32 cd_debounce_delay_ms; @@ -162,8 +162,7 @@ EXPORT_SYMBOL(mmc_gpio_set_cd_wake); /* Register an alternate interrupt service routine for * the card-detect GPIO. */ -void mmc_gpio_set_cd_isr(struct mmc_host *host, - irqreturn_t (*isr)(int irq, void *dev_id)) +void mmc_gpio_set_cd_isr(struct mmc_host *host, irq_handler_t isr) { struct mmc_gpio *ctx = host->slot.handler_priv; @@ -221,6 +220,26 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id, } EXPORT_SYMBOL(mmc_gpiod_request_cd); +/** + * mmc_gpiod_set_cd_config - set config for card-detection GPIO + * @host: mmc host + * @config: Generic pinconf config (from pinconf_to_config_packed()) + * + * This can be used by mmc host drivers to fixup a card-detection GPIO's config + * (e.g. set PIN_CONFIG_BIAS_PULL_UP) after acquiring the GPIO descriptor + * through mmc_gpiod_request_cd(). + * + * Returns: + * 0 on success, or a negative errno value on error. + */ +int mmc_gpiod_set_cd_config(struct mmc_host *host, unsigned long config) +{ + struct mmc_gpio *ctx = host->slot.handler_priv; + + return gpiod_set_config(ctx->cd_gpio, config); +} +EXPORT_SYMBOL(mmc_gpiod_set_cd_config); + bool mmc_can_gpio_cd(struct mmc_host *host) { struct mmc_gpio *ctx = host->slot.handler_priv; |