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>

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);