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RTC fixes for 4.6

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A documentation fix for s3c and two fixes for the ds1307.
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Merge tag 'rtc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux

Pull RTC fixes from Alexandre Belloni:
 "A few fixes for the RTC subsystem.  The documentation fix already
  missed 4.5 so I think it is worth taking it now:

  A documentation fix for s3c and two fixes for the ds1307"

* tag 'rtc-4.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: ds1307: Use irq when available for wakeup-source device
  rtc: ds1307: ds3231 temperature s16 overflow
  rtc: s3c: Document in binding that only s3c6410 needs a src clk
This commit is contained in:
Linus Torvalds 2016-04-21 15:41:13 -07:00
commit 5f44abd041
2 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
Documentation/devicetree/bindings/rtc/s3c-rtc.txt
View File

@ -15,9 +15,10 @@ Required properties:
is the rtc tick interrupt. The number of cells representing a interrupt
depends on the parent interrupt controller.
- clocks: Must contain a list of phandle and clock specifier for the rtc
and source clocks.
- clock-names: Must contain "rtc" and "rtc_src" entries sorted in the
same order as the clocks property.
clock and in the case of a s3c6410 compatible controller, also
a source clock.
- clock-names: Must contain "rtc" and for a s3c6410 compatible controller,
a "rtc_src" sorted in the same order as the clocks property.
Example:

6
drivers/rtc/rtc-ds1307.c
View File

@ -863,7 +863,7 @@ out:
* A user-initiated temperature conversion is not started by this function,
* so the temperature is updated once every 64 seconds.
*/
static int ds3231_hwmon_read_temp(struct device *dev, s16 *mC)
static int ds3231_hwmon_read_temp(struct device *dev, s32 *mC)
{
struct ds1307 *ds1307 = dev_get_drvdata(dev);
u8 temp_buf[2];
@ -892,7 +892,7 @@ static ssize_t ds3231_hwmon_show_temp(struct device *dev,
struct device_attribute *attr, char *buf)
{
int ret;
s16 temp;
s32 temp;
ret = ds3231_hwmon_read_temp(dev, &temp);
if (ret)
@ -1531,7 +1531,7 @@ read_rtc:
return PTR_ERR(ds1307->rtc);
}
if (ds1307_can_wakeup_device) {
if (ds1307_can_wakeup_device && ds1307->client->irq <= 0) {
/* Disable request for an IRQ */
want_irq = false;
dev_info(&client->dev, "'wakeup-source' is set, request for an IRQ is disabled!\n");