This patch fixes unconditional initialization failure on non-exynos3250
SoCs. Commit df9e26d093d33a097c5558aab017dd2f540ccfe5 ("rtc: s3c: add support 
for RTC of Exynos3250 SoC") introduced rtc source clock support,
but also added initialization failure on SoCs, which doesn't need such
clock.

Signed-off-by: Marek Szyprowski <m.szyprow...@samsung.com>
---
 drivers/rtc/rtc-s3c.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index a6b1252c9941..806072238c00 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -535,13 +535,15 @@ static int s3c_rtc_probe(struct platform_device *pdev)
        }
        clk_prepare_enable(info->rtc_clk);
 
-       info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src");
-       if (IS_ERR(info->rtc_src_clk)) {
-               dev_err(&pdev->dev, "failed to find rtc source clock\n");
-               return PTR_ERR(info->rtc_src_clk);
+       if (info->data->needs_src_clk) {
+               info->rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src");
+               if (IS_ERR(info->rtc_src_clk)) {
+                       dev_err(&pdev->dev,
+                               "failed to find rtc source clock\n");
+                       return PTR_ERR(info->rtc_src_clk);
+               }
+               clk_prepare_enable(info->rtc_src_clk);
        }
-       clk_prepare_enable(info->rtc_src_clk);
-
 
        /* check to see if everything is setup correctly */
        if (info->data->enable)
-- 
1.9.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to