From: Fabio Estevam <fabio.estevam@xxxxxxx>
We should disable the previously acquired clock when enabling s->clk
fails.
Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
Changes since v1:
- Drop extra empty line (Uwe)
drivers/tty/serial/mxs-auart.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 2f04ec2..680270b 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1543,10 +1543,14 @@ static int mxs_get_clks(struct mxs_auart_port *s,
err = clk_prepare_enable(s->clk);
if (err) {
dev_err(s->dev, "Failed to enable clk!\n");
- return err;
+ goto disable_clk_ahb;
}
return 0;
+
+disable_clk_ahb:
+ clk_disable_unprepare(s->clk_ahb);
+ return err;
}
/*
--
1.9.1
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