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serial: imx: fix error handling in console_setup

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[ 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>
This commit is contained in:
Stefan Agner 2018-11-14 18:49:38 +01:00 committed by Greg Kroah-Hartman
parent 3e919ae954
commit b287fd473e
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/imx.c
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@ -1956,7 +1956,7 @@ 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;