summaryrefslogtreecommitdiff
path: root/drivers/mmc/core/slot-gpio.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc/core/slot-gpio.c')
-rw-r--r--drivers/mmc/core/slot-gpio.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index 39f45c2b6de8..c5bc6268803e 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;
@@ -159,19 +159,6 @@ int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on)
}
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))
-{
- struct mmc_gpio *ctx = host->slot.handler_priv;
-
- WARN_ON(ctx->cd_gpio_isr);
- ctx->cd_gpio_isr = isr;
-}
-EXPORT_SYMBOL(mmc_gpio_set_cd_isr);
-
/**
* mmc_gpiod_request_cd - request a gpio descriptor for card-detection
* @host: mmc host
@@ -221,13 +208,33 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
}
EXPORT_SYMBOL(mmc_gpiod_request_cd);
-bool mmc_can_gpio_cd(struct mmc_host *host)
+/**
+ * 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_host_can_gpio_cd(struct mmc_host *host)
{
struct mmc_gpio *ctx = host->slot.handler_priv;
return ctx->cd_gpio ? true : false;
}
-EXPORT_SYMBOL(mmc_can_gpio_cd);
+EXPORT_SYMBOL(mmc_host_can_gpio_cd);
/**
* mmc_gpiod_request_ro - request a gpio descriptor for write protection
@@ -268,10 +275,10 @@ int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
}
EXPORT_SYMBOL(mmc_gpiod_request_ro);
-bool mmc_can_gpio_ro(struct mmc_host *host)
+bool mmc_host_can_gpio_ro(struct mmc_host *host)
{
struct mmc_gpio *ctx = host->slot.handler_priv;
return ctx->ro_gpio ? true : false;
}
-EXPORT_SYMBOL(mmc_can_gpio_ro);
+EXPORT_SYMBOL(mmc_host_can_gpio_ro);