mmc: slot-gpio: Use irq_handler_t type

The irq_handler_t is already defined globally, let's use it
in slot-gpio code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240410195618.1632778-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

Author: andy-shev

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;
 

include/linux/mmc/slot-gpio.h

@@ -8,8 +8,8 @@
 #ifndef MMC_SLOT_GPIO_H
 #define MMC_SLOT_GPIO_H
 
+#include <linux/interrupt.h>
 #include <linux/types.h>
-#include <linux/irqreturn.h>
 
 struct mmc_host;
 
@@ -22,8 +22,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
 int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
 			 unsigned int idx, unsigned int debounce);
 int mmc_gpiod_set_cd_config(struct mmc_host *host, unsigned long config);
-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);
 int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on);
 void mmc_gpiod_request_cd_irq(struct mmc_host *host);
 bool mmc_can_gpio_cd(struct mmc_host *host);