From: Stefan Agner <stefan@agner.ch>
Date: Wed, 14 Nov 2018 17:49:38 +0000 (+0100)
Subject: serial: imx: fix error handling in console_setup
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=317bddbcf375f2a567b0fd4faa693241fc3e2169;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

serial: imx: fix error handling in console_setup

[ Upstream commit 63fd4b94b948c14eeb27a3bbf50ea0f7f0593bad ]

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@agner.ch>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0d82be145c68..6d596c635159 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1943,7 +1943,7 @@ imx_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;