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From: Erwan Le Ray <erwan.leray@foss.st.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jiri Slaby <jslaby@suse.com>, Rob Herring <robh+dt@kernel.org>,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: <linux-serial@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>,
	Erwan Le Ray <erwan.leray@foss.st.com>,
	Fabrice Gasnier <fabrice.gasnier@foss.st.com>,
	Valentin Caron <valentin.caron@foss.st.com>,
	Etienne Carriere <etienne.carriere@foss.st.com>
Subject: [PATCH 7/8] serial: stm32: clean probe and remove port deinit
Date: Fri, 18 Dec 2020 20:00:18 +0100	[thread overview]
Message-ID: <20201218190020.1572-8-erwan.leray@foss.st.com> (raw)
In-Reply-To: <20201218190020.1572-1-erwan.leray@foss.st.com>

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


  parent reply	other threads:[~2020-12-18 19:01 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 19:00 [PATCH 0/7] STM32 uart cleanup and improvements Erwan Le Ray
2020-12-18 19:00 ` [PATCH 1/8] serial: stm32: fix -Wall W=1 compilation warnings Erwan Le Ray
2020-12-18 19:00 ` [PATCH 2/8] serial: stm32: fix code cleaning warnings and checks Erwan Le Ray
2020-12-18 19:00 ` [PATCH 3/8] serial: stm32: add "_usart" prefix in functions name Erwan Le Ray
2020-12-18 19:00 ` [PATCH 4/8] serial: stm32: add author Erwan Le Ray
2020-12-18 19:00 ` [PATCH 5/8] dt-bindings: serial: stm32: update rts-gpios and cts-gpios Erwan Le Ray
2020-12-31 20:37   ` Rob Herring
2020-12-18 19:00 ` [PATCH 6/8] serial: stm32: update conflicting RTS/CTS config comment Erwan Le Ray
2020-12-18 19:00 ` Erwan Le Ray [this message]
2020-12-18 19:00 ` [PATCH 8/8] serial: stm32: update transmission complete error message in shutdown Erwan Le Ray
2020-12-28 15:17 ` [PATCH 0/7] STM32 uart cleanup and improvements Greg Kroah-Hartman

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