drivers: usb: udc: stm32: avoid unnecessary clock_control_subsys_t cast

Avoid incorrect (clock_control_subsys_t *) incorrect cast and
remove the cast of pclken in calls to the clock_control_
framework.

Signed-off-by: Alain Volmat <[email protected]>

Author: Alain Volmat

drivers/usb/udc/udc_stm32.c

@@ -1123,7 +1123,7 @@ static void priv_pcd_prepare(const struct device *dev)
 	priv->pcd.Init.phy_itface = cfg->selected_phy;
 }
 
-static const struct stm32_pclken pclken[] = STM32_DT_INST_CLOCKS(0);
+static struct stm32_pclken pclken[] = STM32_DT_INST_CLOCKS(0);
 
 static int priv_clock_enable(void)
 {
@@ -1182,24 +1182,21 @@ static int priv_clock_enable(void)
 #endif
 
 	if (DT_INST_NUM_CLOCKS(0) > 1) {
-		if (clock_control_configure(clk, (clock_control_subsys_t *)&pclken[1],
-									NULL) != 0) {
+		if (clock_control_configure(clk, &pclken[1], NULL) != 0) {
 			LOG_ERR("Could not select USB domain clock");
 			return -EIO;
 		}
 	}
 
-	if (clock_control_on(clk, (clock_control_subsys_t *)&pclken[0]) != 0) {
+	if (clock_control_on(clk, &pclken[0]) != 0) {
 		LOG_ERR("Unable to enable USB clock");
 		return -EIO;
 	}
 
 	if (IS_ENABLED(CONFIG_UDC_STM32_CLOCK_CHECK)) {
 		uint32_t usb_clock_rate;
 
-		if (clock_control_get_rate(clk,
-					   (clock_control_subsys_t *)&pclken[1],
-					   &usb_clock_rate) != 0) {
+		if (clock_control_get_rate(clk, &pclken[1], &usb_clock_rate) != 0) {
 			LOG_ERR("Failed to get USB domain clock rate");
 			return -EIO;
 		}
@@ -1292,7 +1289,7 @@ static int priv_clock_disable(void)
 {
 	const struct device *clk = DEVICE_DT_GET(STM32_CLOCK_CONTROL_NODE);
 
-	if (clock_control_off(clk, (clock_control_subsys_t *)&pclken[0]) != 0) {
+	if (clock_control_off(clk, &pclken[0]) != 0) {
 		LOG_ERR("Unable to disable USB clock");
 		return -EIO;
 	}