driver: gpio: esp32: move config to iram

sylvioalves · dkalowsk · commit 2742eb4dc7d6 · 2025-06-13T15:40:42.000-07:00
Make gpio configuration in IRAM area to speed up
access.

Signed-off-by: Sylvio Alves &lt;sylvio.alves@espressif.com&gt;
diff --git a/drivers/gpio/gpio_esp32.c b/drivers/gpio/gpio_esp32.c
@@ -93,7 +93,7 @@ static inline bool gpio_pin_is_output_capable(uint32_t pin)
 	return ((BIT(pin) & SOC_GPIO_VALID_OUTPUT_GPIO_MASK) != 0);
 }
 
-static int gpio_esp32_config(const struct device *dev,
+static int IRAM_ATTR gpio_esp32_config(const struct device *dev,
 			     gpio_pin_t pin,
 			     gpio_flags_t flags)
 {

Original file line number	Diff line number	Diff line change
`@@ -93,7 +93,7 @@ static inline bool gpio_pin_is_output_capable(uint32_t pin)`
`93`	`93`	`return ((BIT(pin) & SOC_GPIO_VALID_OUTPUT_GPIO_MASK) != 0);`
`94`	`94`	`}`
`95`	`95`
`96`		`-static int gpio_esp32_config(const struct device *dev,`
	`96`	`+static int IRAM_ATTR gpio_esp32_config(const struct device *dev,`
`97`	`97`	`gpio_pin_t pin,`
`98`	`98`	`gpio_flags_t flags)`
`99`	`99`	`{`