[PATCH 7/8] serial: stm32: clean probe and remove port deinit

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Clean probe and remove port deinit by moving clk_disable_unprepare in a
new dedicated deinit_port function.

Signed-off-by: Erwan Le Ray <erwan.leray@xxxxxxxxxxx>
Signed-off-by: Etienne Carriere <etienne.carriere@xxxxxxxxxxx>

diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 0d6c7f3375f0..9d73f6976586 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -970,6 +970,11 @@ static const struct uart_ops stm32_uart_ops = {
 	.verify_port	= stm32_usart_verify_port,
 };
 
+static void stm32_usart_deinit_port(struct stm32_port *stm32port)
+{
+	clk_disable_unprepare(stm32port->clk);
+}
+
 static int stm32_usart_init_port(struct stm32_port *stm32port,
 				 struct platform_device *pdev)
 {
@@ -1279,7 +1284,7 @@ static int stm32_usart_serial_probe(struct platform_device *pdev)
 		device_init_wakeup(&pdev->dev, false);
 
 err_uninit:
-	clk_disable_unprepare(stm32port->clk);
+	stm32_usart_deinit_port(stm32port);
 
 	return ret;
 }
@@ -1318,7 +1323,7 @@ static int stm32_usart_serial_remove(struct platform_device *pdev)
 		device_init_wakeup(&pdev->dev, false);
 	}
 
-	clk_disable_unprepare(stm32_port->clk);
+	stm32_usart_deinit_port(stm32_port);
 
 	err = uart_remove_one_port(&stm32_usart_driver, port);
 
-- 
2.17.1




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