From: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Date: Wed, 4 May 2016 11:57:50 +0000 (+0530)
Subject: spi: zynqmp: disable clocks in error paths
X-Git-Tag: v4.7-rc1~64^2^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ba412e343d8bd628c1568a9b130210cc7d55e01c;p=platform%2Fkernel%2Flinux-exynos.git

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@xilinx.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

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;
 }