From f19866e5cb04f8f007cb422132ea4611cdacc8e3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Thu, 8 Oct 2015 08:28:26 -0300 Subject: Linux-libre 4.2.3-gnu --- drivers/rtc/rtc-s3c.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) (limited to 'drivers/rtc/rtc-s3c.c') diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index a0f832362..2e709e239 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; } -- cgit v1.2.3