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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2024-11-22 11:14:47 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-11-25 23:32:50 +0100 |
| commit | 692f983b2dc933f9c4f6255dc0a5f3df42110a2a (patch) | |
| tree | c0b909f261c9bdba24246cf42b88ad34f87c41e7 /drivers/rtc | |
| parent | m68k: mvme147, mvme16x: Adopt rtc-m48t59 platform driver (diff) | |
| download | linux-692f983b2dc933f9c4f6255dc0a5f3df42110a2a.tar.xz linux-692f983b2dc933f9c4f6255dc0a5f3df42110a2a.zip | |
rtc: rzn1: drop superfluous wday calculation
The week register simply counts from 0 to 6 where the numbers do not
even represent a specific weekday. So we can adopt 'tm_wday' numbering
of the RTC core without converting it.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20241122101448.4374-2-wsa+renesas@sang-engineering.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-rzn1.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/drivers/rtc/rtc-rzn1.c b/drivers/rtc/rtc-rzn1.c index b0ea2847e982..4ae6e349faa0 100644 --- a/drivers/rtc/rtc-rzn1.c +++ b/drivers/rtc/rtc-rzn1.c @@ -75,19 +75,6 @@ static void rzn1_rtc_get_time_snapshot(struct rzn1_rtc *rtc, struct rtc_time *tm tm->tm_year = readl(rtc->base + RZN1_RTC_YEARC); } -static unsigned int rzn1_rtc_tm_to_wday(struct rtc_time *tm) -{ - time64_t time; - unsigned int days; - u32 secs; - - time = rtc_tm_to_time64(tm); - days = div_s64_rem(time, 86400, &secs); - - /* day of the week, 1970-01-01 was a Thursday */ - return (days + 4) % 7; -} - static int rzn1_rtc_read_time(struct device *dev, struct rtc_time *tm) { struct rzn1_rtc *rtc = dev_get_drvdata(dev); @@ -109,7 +96,6 @@ static int rzn1_rtc_read_time(struct device *dev, struct rtc_time *tm) tm->tm_sec = bcd2bin(tm->tm_sec); tm->tm_min = bcd2bin(tm->tm_min); tm->tm_hour = bcd2bin(tm->tm_hour); - tm->tm_wday = bcd2bin(tm->tm_wday); tm->tm_mday = bcd2bin(tm->tm_mday); tm->tm_mon = bcd2bin(tm->tm_mon) - 1; tm->tm_year = bcd2bin(tm->tm_year) + 100; @@ -126,7 +112,6 @@ static int rzn1_rtc_set_time(struct device *dev, struct rtc_time *tm) tm->tm_sec = bin2bcd(tm->tm_sec); tm->tm_min = bin2bcd(tm->tm_min); tm->tm_hour = bin2bcd(tm->tm_hour); - tm->tm_wday = bin2bcd(rzn1_rtc_tm_to_wday(tm)); tm->tm_mday = bin2bcd(tm->tm_mday); tm->tm_mon = bin2bcd(tm->tm_mon + 1); tm->tm_year = bin2bcd(tm->tm_year - 100); |