diff options
| author | Gary S. Robertson <gary.robertson@linaro.org> | 2015-11-18 16:00:23 -0600 |
|---|---|---|
| committer | Gary S. Robertson <gary.robertson@linaro.org> | 2015-11-18 16:00:23 -0600 |
| commit | fe7e08f8621d68222f1c65599d8c8d10f0cf5164 (patch) | |
| tree | 78b986dce0ca910245ec379c9725033b0b25fddd /drivers/rtc/rtc-s3c.c | |
| parent | 701f68f192e35dfc22c6a456c8a60fb4e9ff7d02 (diff) | |
| parent | 53c3c13396c2a8ee4fd9e83141b3e2b22223e590 (diff) | |
Merge tag 'lsk-v4.1-15.10' of http://git.linaro.org/kernel/linux-linaro-stable into linux-linaro-lng-v4.1linux-lng-4.1.10-2015.11
LSK 15.10 v4.1
Signed-off-by: Gary S. Robertson <gary.robertson@linaro.org>
Conflicts:
linaro/configs/linaro-base.conf
Diffstat (limited to 'drivers/rtc/rtc-s3c.c')
| -rw-r--r-- | drivers/rtc/rtc-s3c.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 76cbad7a99d3..c5a2523b0185 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -39,6 +39,7 @@ struct s3c_rtc { void __iomem *base; struct clk *rtc_clk; struct clk *rtc_src_clk; + bool clk_disabled; struct s3c_rtc_data *data; @@ -71,9 +72,12 @@ static void s3c_rtc_enable_clk(struct s3c_rtc *info) unsigned long irq_flags; spin_lock_irqsave(&info->alarm_clk_lock, irq_flags); - clk_enable(info->rtc_clk); - if (info->data->needs_src_clk) - clk_enable(info->rtc_src_clk); + if (info->clk_disabled) { + clk_enable(info->rtc_clk); + if (info->data->needs_src_clk) + clk_enable(info->rtc_src_clk); + info->clk_disabled = false; + } spin_unlock_irqrestore(&info->alarm_clk_lock, irq_flags); } @@ -82,9 +86,12 @@ static void s3c_rtc_disable_clk(struct s3c_rtc *info) unsigned long irq_flags; spin_lock_irqsave(&info->alarm_clk_lock, irq_flags); - if (info->data->needs_src_clk) - clk_disable(info->rtc_src_clk); - clk_disable(info->rtc_clk); + if (!info->clk_disabled) { + if (info->data->needs_src_clk) + clk_disable(info->rtc_src_clk); + clk_disable(info->rtc_clk); + info->clk_disabled = true; + } spin_unlock_irqrestore(&info->alarm_clk_lock, irq_flags); } @@ -128,6 +135,11 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled) s3c_rtc_disable_clk(info); + if (enabled) + s3c_rtc_enable_clk(info); + else + s3c_rtc_disable_clk(info); + return 0; } |