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author | Alessandro Zummo <a.zummo@towertech.it> | 2009-01-06 14:42:21 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-06 15:59:25 -0800 |
commit | bbccf83f6c4e1a0de5bdf51ec9ec708d3a1ce933 (patch) | |
tree | 8c9797c7914b0f7fc78e5878ef33ae5f3219a202 /drivers | |
parent | f60091575d43e5a27b26f4d6fa4251cdd6b9ae8a (diff) | |
download | linux-stable-bbccf83f6c4e1a0de5bdf51ec9ec708d3a1ce933.tar.gz linux-stable-bbccf83f6c4e1a0de5bdf51ec9ec708d3a1ce933.tar.bz2 linux-stable-bbccf83f6c4e1a0de5bdf51ec9ec708d3a1ce933.zip |
rtc: use set_mmss when set_time is not available
Drivers should only need to implement either set_mmss (counter based RTCs)
or set_time (most RTCs). The RTC subsystem will handle them
appropriately.
Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/rtc/interface.c | 11 | ||||
-rw-r--r-- | drivers/rtc/rtc-ds1672.c | 22 | ||||
-rw-r--r-- | drivers/rtc/rtc-ep93xx.c | 13 | ||||
-rw-r--r-- | drivers/rtc/rtc-test.c | 8 |
4 files changed, 9 insertions, 45 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 50482d1321e8..4348c4b0d453 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -50,10 +50,15 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm) if (!rtc->ops) err = -ENODEV; - else if (!rtc->ops->set_time) - err = -EINVAL; - else + else if (rtc->ops->set_time) err = rtc->ops->set_time(rtc->dev.parent, tm); + else if (rtc->ops->set_mmss) { + unsigned long secs; + err = rtc_tm_to_time(tm, &secs); + if (err == 0) + err = rtc->ops->set_mmss(rtc->dev.parent, secs); + } else + err = -EINVAL; mutex_unlock(&rtc->ops_lock); return err; diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c index 4e91419e8911..06dfb54f99b6 100644 --- a/drivers/rtc/rtc-ds1672.c +++ b/drivers/rtc/rtc-ds1672.c @@ -83,32 +83,11 @@ static int ds1672_set_mmss(struct i2c_client *client, unsigned long secs) return 0; } -static int ds1672_set_datetime(struct i2c_client *client, struct rtc_time *tm) -{ - unsigned long secs; - - dev_dbg(&client->dev, - "%s: secs=%d, mins=%d, hours=%d, " - "mday=%d, mon=%d, year=%d, wday=%d\n", - __func__, - tm->tm_sec, tm->tm_min, tm->tm_hour, - tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); - - rtc_tm_to_time(tm, &secs); - - return ds1672_set_mmss(client, secs); -} - static int ds1672_rtc_read_time(struct device *dev, struct rtc_time *tm) { return ds1672_get_datetime(to_i2c_client(dev), tm); } -static int ds1672_rtc_set_time(struct device *dev, struct rtc_time *tm) -{ - return ds1672_set_datetime(to_i2c_client(dev), tm); -} - static int ds1672_rtc_set_mmss(struct device *dev, unsigned long secs) { return ds1672_set_mmss(to_i2c_client(dev), secs); @@ -152,7 +131,6 @@ static DEVICE_ATTR(control, S_IRUGO, show_control, NULL); static const struct rtc_class_ops ds1672_rtc_ops = { .read_time = ds1672_rtc_read_time, - .set_time = ds1672_rtc_set_time, .set_mmss = ds1672_rtc_set_mmss, }; diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c index 36e4ac0bd69c..f7a3283dd029 100644 --- a/drivers/rtc/rtc-ep93xx.c +++ b/drivers/rtc/rtc-ep93xx.c @@ -49,18 +49,6 @@ static int ep93xx_rtc_set_mmss(struct device *dev, unsigned long secs) return 0; } -static int ep93xx_rtc_set_time(struct device *dev, struct rtc_time *tm) -{ - int err; - unsigned long secs; - - err = rtc_tm_to_time(tm, &secs); - if (err != 0) - return err; - - return ep93xx_rtc_set_mmss(dev, secs); -} - static int ep93xx_rtc_proc(struct device *dev, struct seq_file *seq) { unsigned short preload, delete; @@ -75,7 +63,6 @@ static int ep93xx_rtc_proc(struct device *dev, struct seq_file *seq) static const struct rtc_class_ops ep93xx_rtc_ops = { .read_time = ep93xx_rtc_read_time, - .set_time = ep93xx_rtc_set_time, .set_mmss = ep93xx_rtc_set_mmss, .proc = ep93xx_rtc_proc, }; diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c index bc930022004a..e478280ff628 100644 --- a/drivers/rtc/rtc-test.c +++ b/drivers/rtc/rtc-test.c @@ -34,14 +34,9 @@ static int test_rtc_read_time(struct device *dev, return 0; } -static int test_rtc_set_time(struct device *dev, - struct rtc_time *tm) -{ - return 0; -} - static int test_rtc_set_mmss(struct device *dev, unsigned long secs) { + dev_info(dev, "%s, secs = %lu\n", __func__, secs); return 0; } @@ -78,7 +73,6 @@ static int test_rtc_ioctl(struct device *dev, unsigned int cmd, static const struct rtc_class_ops test_rtc_ops = { .proc = test_rtc_proc, .read_time = test_rtc_read_time, - .set_time = test_rtc_set_time, .read_alarm = test_rtc_read_alarm, .set_alarm = test_rtc_set_alarm, .set_mmss = test_rtc_set_mmss, |