linux-kernel - [PATCH] spi: zynqmp: disable clocks in error paths

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Date:	Wed, 4 May 2016 17:27:50 +0530
From:	Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>
To:	<linux-spi@...r.kernel.org>
CC:	<linux-kernel@...r.kernel.org>, <michal.simek@...inx.com>,
	<broonie@...nel.org>, Shubhrajyoti Datta <shubhraj@...inx.com>
Subject: [PATCH] spi: zynqmp: disable clocks in error paths

The if pclk enable fails the refclk is not disabled.
Fix the same.

Signed-off-by: Shubhrajyoti Datta <shubhraj@...inx.com>
---
 drivers/spi/spi-zynqmp-gqspi.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index aab9b49..18aeace 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -360,7 +360,7 @@ static int zynqmp_prepare_transfer_hardware(struct spi_master *master)
 
 	ret = clk_enable(xqspi->refclk);
 	if (ret)
-		goto clk_err;
+		return ret;
 
 	ret = clk_enable(xqspi->pclk);
 	if (ret)
@@ -369,6 +369,7 @@ static int zynqmp_prepare_transfer_hardware(struct spi_master *master)
 	zynqmp_gqspi_write(xqspi, GQSPI_EN_OFST, GQSPI_EN_MASK);
 	return 0;
 clk_err:
+	clk_disable(xqspi->refclk);
 	return ret;
 }
 
-- 
1.7.1