diff options
Diffstat (limited to 'drivers/rtc/rtc-s3c.c')
| -rw-r--r-- | drivers/rtc/rtc-s3c.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 0b495e8b8e6..4958a363b2c 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -48,8 +48,8 @@ struct s3c_rtc_drv_data { static struct clk *rtc_clk; static void __iomem *s3c_rtc_base; -static int s3c_rtc_alarmno = NO_IRQ; -static int s3c_rtc_tickno = NO_IRQ; +static int s3c_rtc_alarmno; +static int s3c_rtc_tickno; static enum s3c_cpu_type s3c_rtc_cpu_type; static DEFINE_SPINLOCK(s3c_rtc_pie_lock); @@ -421,8 +421,6 @@ static void s3c_rtc_enable(struct platform_device *pdev, int en) static int s3c_rtc_remove(struct platform_device *dev) { - platform_set_drvdata(dev, NULL); - s3c_rtc_setaie(&dev->dev, 0); clk_unprepare(rtc_clk); @@ -549,23 +547,20 @@ static int s3c_rtc_probe(struct platform_device *pdev) 0, "s3c2410-rtc alarm", rtc); if (ret) { dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret); - goto err_alarm_irq; + goto err_nortc; } ret = devm_request_irq(&pdev->dev, s3c_rtc_tickno, s3c_rtc_tickirq, 0, "s3c2410-rtc tick", rtc); if (ret) { dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret); - goto err_alarm_irq; + goto err_nortc; } clk_disable(rtc_clk); return 0; - err_alarm_irq: - platform_set_drvdata(pdev, NULL); - err_nortc: s3c_rtc_enable(pdev, 0); clk_disable_unprepare(rtc_clk); @@ -585,10 +580,12 @@ static int s3c_rtc_suspend(struct device *dev) clk_enable(rtc_clk); /* save TICNT for anyone using periodic interrupts */ - ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT); if (s3c_rtc_cpu_type == TYPE_S3C64XX) { ticnt_en_save = readw(s3c_rtc_base + S3C2410_RTCCON); ticnt_en_save &= S3C64XX_RTCCON_TICEN; + ticnt_save = readl(s3c_rtc_base + S3C2410_TICNT); + } else { + ticnt_save = readb(s3c_rtc_base + S3C2410_TICNT); } s3c_rtc_enable(pdev, 0); @@ -610,10 +607,15 @@ static int s3c_rtc_resume(struct device *dev) clk_enable(rtc_clk); s3c_rtc_enable(pdev, 1); - writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT); - if (s3c_rtc_cpu_type == TYPE_S3C64XX && ticnt_en_save) { - tmp = readw(s3c_rtc_base + S3C2410_RTCCON); - writew(tmp | ticnt_en_save, s3c_rtc_base + S3C2410_RTCCON); + if (s3c_rtc_cpu_type == TYPE_S3C64XX) { + writel(ticnt_save, s3c_rtc_base + S3C2410_TICNT); + if (ticnt_en_save) { + tmp = readw(s3c_rtc_base + S3C2410_RTCCON); + writew(tmp | ticnt_en_save, + s3c_rtc_base + S3C2410_RTCCON); + } + } else { + writeb(ticnt_save, s3c_rtc_base + S3C2410_TICNT); } if (device_may_wakeup(dev) && wake_en) { |