diff options
| author | Andre Sihera <asihera@nvidia.com> | 2011-04-07 20:37:11 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-04-14 21:22:15 -0700 |
| commit | d6ad1d95125bf21ed6c99cc8a633f0a23779d18a (patch) | |
| tree | e700a8b2823e95b9a839a86eea4f28ae46c168a1 /drivers/rtc | |
| parent | 0342de866ae3db18d6c68f4040b9210f54bc3386 (diff) | |
rtc: tps6586x RTC clock fix
Specified OSC_SRC_SEL flag to force clock signal to be taken from
an externally generated source rather than be calculated internally.
This should raise the accuracy to within +/-2 seconds/24 hours.
Bug 811075
Bug 810537
Change-Id: I7b7c4e4d752fdc03b81239f362a1d6f7aa4d3b92
Reviewed-on: http://git-master/r/27222
Reviewed-by: Andre Sihera <asihera@nvidia.com>
Tested-by: Andre Sihera <asihera@nvidia.com>
Reviewed-by: David Schalig <dschalig@nvidia.com>
Reviewed-by: Scott Peterson <speterson@nvidia.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-tps6586x.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-tps6586x.c b/drivers/rtc/rtc-tps6586x.c index b70614fb7d5e..641f1461646d 100644 --- a/drivers/rtc/rtc-tps6586x.c +++ b/drivers/rtc/rtc-tps6586x.c @@ -291,8 +291,9 @@ static int __devinit tps6586x_rtc_probe(struct platform_device *pdev) /* 1 kHz tick mode, enable tick counting */ err = tps6586x_update(tps_dev, RTC_CTRL, - RTC_ENABLE | ((pdata->cl_sel<<CL_SEL_POS)&CL_SEL_MASK), - RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK); + RTC_ENABLE | OSC_SRC_SEL | ((pdata->cl_sel << CL_SEL_POS) & + CL_SEL_MASK), + RTC_ENABLE | OSC_SRC_SEL | PRE_BYPASS | CL_SEL_MASK); if (err < 0) { dev_err(&pdev->dev, "unable to start counter\n"); goto fail; |