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| author | Ralf Baechle <ralf@linux-mips.org> | 2013-02-21 12:51:33 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-02-21 12:51:33 +0100 |
| commit | 8bfc245f9ad7bd4e461179e4e7852ef99b8b6144 (patch) | |
| tree | 0ad091f645fbc8318634599d278966a53d3922ee /drivers/rtc/rtc-pl031.c | |
| parent | 612663a974065c3445e641d046769fe4c55a6438 (diff) | |
| parent | 535237cecab2b078114be712c67e89a0db61965f (diff) | |
| download | talos-op-linux-8bfc245f9ad7bd4e461179e4e7852ef99b8b6144.tar.gz talos-op-linux-8bfc245f9ad7bd4e461179e4e7852ef99b8b6144.zip | |
Merge branch 'mips-next-3.9' of git://git.linux-mips.org/pub/scm/john/linux-john into mips-for-linux-next
Diffstat (limited to 'drivers/rtc/rtc-pl031.c')
| -rw-r--r-- | drivers/rtc/rtc-pl031.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index 08378e3cc21c..10c1a3454e48 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -44,6 +44,7 @@ #define RTC_YMR 0x34 /* Year match register */ #define RTC_YLR 0x38 /* Year data load register */ +#define RTC_CR_EN (1 << 0) /* counter enable bit */ #define RTC_CR_CWEN (1 << 26) /* Clockwatch enable bit */ #define RTC_TCR_EN (1 << 1) /* Periodic timer enable bit */ @@ -320,7 +321,7 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) struct pl031_local *ldata; struct pl031_vendor_data *vendor = id->data; struct rtc_class_ops *ops = &vendor->ops; - unsigned long time; + unsigned long time, data; ret = amba_request_regions(adev, NULL); if (ret) @@ -345,10 +346,11 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) dev_dbg(&adev->dev, "designer ID = 0x%02x\n", amba_manf(adev)); dev_dbg(&adev->dev, "revision = 0x%01x\n", amba_rev(adev)); + data = readl(ldata->base + RTC_CR); /* Enable the clockwatch on ST Variants */ if (vendor->clockwatch) - writel(readl(ldata->base + RTC_CR) | RTC_CR_CWEN, - ldata->base + RTC_CR); + data |= RTC_CR_CWEN; + writel(data | RTC_CR_EN, ldata->base + RTC_CR); /* * On ST PL031 variants, the RTC reset value does not provide correct |
