[PATCH 1/2] rtc: omap: check for clk_prepare_enable() error

[Andreas Platschek]

clk_prepare_enable() returns an error -> check it.

Signed-off-by: Andreas Platschek <andreas.platsc...@opentech.at>
---
 drivers/rtc/rtc-omap.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 1d666ac9ef70..ad309feb7d11 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -748,8 +748,15 @@ static int omap_rtc_probe(struct platform_device *pdev)
        else
                rtc->clk = devm_clk_get(&pdev->dev, "int-clk");
 
-       if (!IS_ERR(rtc->clk))
-               clk_prepare_enable(rtc->clk);
+       if (!IS_ERR(rtc->clk)) {
+               ret = clk_prepare_enable(rtc->clk);
+               if (ret) {
+                       dev_err(&pdev->dev,
+                               "Failed to enable rtc clk (%u)\n", ret);
+                       return ret;
+               }
+       }
+
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        rtc->base = devm_ioremap_resource(&pdev->dev, res);
-- 
2.11.0