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Subject[PATCH 7/8] serial: stm32: clean probe and remove port deinit
Date
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@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>

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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