linux-kernel - [PATCH] serial: 8250_uniphier: call clk_disable

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Message-Id: <1437721108-19037-1-git-send-email-yamada.masahiro@socionext.com>
Date:	Fri, 24 Jul 2015 15:58:28 +0900
From:	Masahiro Yamada <yamada.masahiro@...ionext.com>
To:	linux-serial@...r.kernel.org
Cc:	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Jiri Slaby <jslaby@...e.com>, linux-kernel@...r.kernel.org,
	Matthias Brugger <matthias.bgg@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] serial: 8250_uniphier: call clk_disable_unprepare() on failure path

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@...ionext.com>
---

 drivers/tty/serial/8250/8250_uniphier.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c
index 7d79425..d11621e 100644
--- 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 platform_device *pdev)
 	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;
 	}
 
-- 
1.9.1

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