This is a note to let you know that I've just added the patch titled
serial: 8250_uniphier: call clk_disable_unprepare() on failure path
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
serial-8250_uniphier-call-clk_disable_unprepare-on-failure-path.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e70e69bf205e6d1f742f1cf1935b155417c9e29a Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
Date: Fri, 24 Jul 2015 15:58:28 +0900
Subject: serial: 8250_uniphier: call clk_disable_unprepare() on failure path
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;
}
Patches currently in stable-queue which might be from yamada.masahiro@xxxxxxxxxxxxx are
queue-4.2/serial-8250_uniphier-call-clk_disable_unprepare-on-failure-path.patch
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