[PATCH] SPI: spi-orion: check return value from clk_prepare()/clk_enable()

[Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>]

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@xxxxxxxxxxxxxxxx>
---
Patch generated against v3.15

 drivers/spi/spi-orion.c | 6 ++++--
 1 file 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);
-- 
1.8.3.1

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