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authorRussell King <rmk+kernel@arm.linux.org.uk>2014-06-21 11:32:23 +0100
committerMark Brown <broonie@linaro.org>2014-06-21 12:00:36 +0100
commitc85012addd800d8fd135b9a871d5ce9b8e8c4081 (patch)
treecc5e6c320bfb34a59955733b9065bfe688be45c2 /drivers/spi/spi-orion.c
parent7171511eaec5bf23fb06078f59784a3a0626b38f (diff)
spi: spi-orion: check return value from clk_prepare()/clk_enable()
clk_prepare()/clk_enable() can fail, and it's return value should be checked. Add the proper checking, and while we're here, convert to clk_prepare_enable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-orion.c')
-rw-r--r--drivers/spi/spi-orion.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index d018a4aac3a1..24844984ef36 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -382,8 +382,10 @@ static int orion_spi_probe(struct platform_device *pdev)
goto out;
}
- clk_prepare(spi->clk);
- clk_enable(spi->clk);
+ status = clk_prepare_enable(spi->clk);
+ if (status)
+ goto out;
+
tclk_hz = clk_get_rate(spi->clk);
master->max_speed_hz = DIV_ROUND_UP(tclk_hz, 4);
master->min_speed_hz = DIV_ROUND_UP(tclk_hz, 30);