spi/bcm63xx-hsspi: check result of clk_prepare_enable

Ensure we notice if the clock cannot be enabled for any reason and pass
the error down.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c
index 6a763a8a8a5e..949dfb57fe89 100644
--- a/drivers/spi/spi-bcm63xx-hsspi.c
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -351,7 +351,9 @@ static int bcm63xx_hsspi_probe(struct platform_device *pdev)
         if (!rate)
                 return -EINVAL;
 
-        clk_prepare_enable(clk);
+        ret = clk_prepare_enable(clk);
+        if (ret)
+                return ret;
 
         master = spi_alloc_master(&pdev->dev, sizeof(*bs));
         if (!master) {