Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
rtc: mpc5121: let the core handle the alarm resolution
Set RTC_FEATURE_ALARM_RES_MINUTE, so the core knows alarms have a
resolution of a minute. Also, the core will properly round down the alarm
instead of up.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220309162301.61679-4-alexandre.belloni@bootlin.com
+1
-14
+1
-14
drivers/rtc/rtc-mpc5121.c
+1
-14
drivers/rtc/rtc-mpc5121.c
···
210
210
struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev);
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211
struct mpc5121_rtc_regs __iomem *regs = rtc->regs;
212
212
213
-
/*
214
-
* the alarm has no seconds so deal with it
215
-
*/
216
-
if (alarm->time.tm_sec) {
217
-
alarm->time.tm_sec = 0;
218
-
alarm->time.tm_min++;
219
-
if (alarm->time.tm_min >= 60) {
220
-
alarm->time.tm_min = 0;
221
-
alarm->time.tm_hour++;
222
-
if (alarm->time.tm_hour >= 24)
223
-
alarm->time.tm_hour = 0;
224
-
}
225
-
}
226
-
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213
alarm->time.tm_mday = -1;
228
214
alarm->time.tm_mon = -1;
229
215
alarm->time.tm_year = -1;
···
335
349
}
336
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rtc->rtc->ops = &mpc5200_rtc_ops;
352
+
set_bit(RTC_FEATURE_ALARM_RES_MINUTE, rtc->rtc->features);
338
353
rtc->rtc->uie_unsupported = 1;
339
354
rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_0000;
340
355
rtc->rtc->range_max = 65733206399ULL; /* 4052-12-31 23:59:59 */