| commit | fbbf53f70225c82ba877de780486be5bc81b29e2 | |
| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | |
| Fri, 6 Nov 2015 16:37:56 +0000 (6 17:37 +0100) | ||
| committer | Alexandre Belloni <alexandre.belloni@free-electrons.com> | |
| Mon, 11 Jan 2016 19:19:54 +0000 (11 20:19 +0100) | ||
| tree | db1b469aefb12d9df8425d9b2450970becbcccb1 | treesnapshot (tar.gz zip) |
| parent | c60faa3afad0e926e63a39894489b64e9a8165df | commitdiff |
rtc: pcf8523: refuse to write dates later than 2099
When the chip increments the YEAR register and it already holds
bin2bcd(99) it reads as 0 afterwards. With this behaviour the last valid
day (without trickery) that has a representation is 2099-12-31 23:59:59.
So refuse to write later dates.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
When the chip increments the YEAR register and it already holds
bin2bcd(99) it reads as 0 afterwards. With this behaviour the last valid
day (without trickery) that has a representation is 2099-12-31 23:59:59.
So refuse to write later dates.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
| drivers/rtc/rtc-pcf8523.c | diffblobblamehistory |