diff options
| -rw-r--r-- | drivers/rtc/rtc-s3c.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 0b495e8b8e6..8fff2d9363e 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -47,6 +47,7 @@ struct s3c_rtc_drv_data { * of these rtc blocks in */ static struct clk *rtc_clk; +static struct clk *rtc_src_clk; static void __iomem *s3c_rtc_base; static int s3c_rtc_alarmno = NO_IRQ; static int s3c_rtc_tickno = NO_IRQ; @@ -425,6 +426,7 @@ static int s3c_rtc_remove(struct platform_device *dev) s3c_rtc_setaie(&dev->dev, 0); + clk_disable_unprepare(rtc_src_clk); clk_unprepare(rtc_clk); rtc_clk = NULL; @@ -483,7 +485,7 @@ static int s3c_rtc_probe(struct platform_device *pdev) rtc_clk = devm_clk_get(&pdev->dev, "rtc"); if (IS_ERR(rtc_clk)) { - dev_err(&pdev->dev, "failed to find rtc clock source\n"); + dev_err(&pdev->dev, "failed to find rtc gate clock\n"); ret = PTR_ERR(rtc_clk); rtc_clk = NULL; return ret; @@ -491,6 +493,14 @@ static int s3c_rtc_probe(struct platform_device *pdev) clk_prepare_enable(rtc_clk); + rtc_src_clk = devm_clk_get(&pdev->dev, "rtc_src_clk"); + if (IS_ERR(rtc_src_clk)) { + dev_warn(&pdev->dev, "failed to find rtc source clock\n"); + rtc_src_clk = NULL; + } + + clk_prepare_enable(rtc_src_clk); + /* check to see if everything is setup correctly */ s3c_rtc_enable(pdev, 1); @@ -568,6 +578,7 @@ static int s3c_rtc_probe(struct platform_device *pdev) err_nortc: s3c_rtc_enable(pdev, 0); + clk_disable_unprepare(rtc_src_clk); clk_disable_unprepare(rtc_clk); return ret; |