4.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
commit e70e69bf205e6d1f742f1cf1935b155417c9e29a upstream.
If serial8250_register_8250_port() fails, disable and unprepare the
clock before exiting.
Fixes: 1a8d2903cb6a ("serial: 8250_uniphier: add UniPhier serial driver")
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_uniphier.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/tty/serial/8250/8250_uniphier.c
+++ b/drivers/tty/serial/8250/8250_uniphier.c
@@ -218,6 +218,7 @@ static int uniphier_uart_probe(struct pl
ret = serial8250_register_8250_port(&up);
if (ret < 0) {
dev_err(dev, "failed to register 8250 port\n");
+ clk_disable_unprepare(priv->clk);
return ret;
}
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