linux-kernel - [PATCH 1/3] serial: imx: fix error handling in console

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Date:   Wed, 14 Nov 2018 18:49:38 +0100
From:   Stefan Agner <stefan@...er.ch>
To:     gregkh@...uxfoundation.org, jslaby@...e.com
Cc:     fabio.estevam@....com, u.kleine-koenig@...gutronix.de,
        s.hauer@...gutronix.de, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH 1/3] serial: imx: fix error handling in console_setup

The ipg clock only needs to be unprepared in case preparing
per clock fails. The ipg clock has already disabled at the point.

Fixes: 1cf93e0d5488 ("serial: imx: remove the uart_console() check")
Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 drivers/tty/serial/imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0f67197a3783..313c3b1900a8 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -2068,7 +2068,7 @@ imx_uart_console_setup(struct console *co, char *options)
 
 	retval = clk_prepare(sport->clk_per);
 	if (retval)
-		clk_disable_unprepare(sport->clk_ipg);
+		clk_unprepare(sport->clk_ipg);
 
 error_console:
 	return retval;
-- 
2.19.1