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authorJean-Baptiste Maneyrol <jean-baptiste.maneyrol@teamlog.com>2006-09-30 23:28:12 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:25 -0700
commit1713e903c680de4934837689abecc5df02f463ac (patch)
treecc1677465cc57c2a0202eadd27a4a86baccf2850 /drivers
parent365e02237b164701897244aab7412b21c5e622af (diff)
[PATCH] rtc driver rtc-pcf8563 century bit inversed
The century bit PCF8563_MO_C in the month register is misinterpreted. It is set to 1 for the 20th century and 0 for 21th, and the driver is expecting the opposite behavior. Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/rtc/rtc-pcf8563.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index ba9a583b7b6..bd431064303 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -95,7 +95,7 @@ static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm)
tm->tm_wday = buf[PCF8563_REG_DW] & 0x07;
tm->tm_mon = BCD2BIN(buf[PCF8563_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */
tm->tm_year = BCD2BIN(buf[PCF8563_REG_YR])
- + (buf[PCF8563_REG_MO] & PCF8563_MO_C ? 100 : 0);
+ + (buf[PCF8563_REG_MO] & PCF8563_MO_C ? 0 : 100);
dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, "
"mday=%d, mon=%d, year=%d, wday=%d\n",
@@ -135,7 +135,7 @@ static int pcf8563_set_datetime(struct i2c_client *client, struct rtc_time *tm)
/* year and century */
buf[PCF8563_REG_YR] = BIN2BCD(tm->tm_year % 100);
- if (tm->tm_year / 100)
+ if (tm->tm_year < 100)
buf[PCF8563_REG_MO] |= PCF8563_MO_C;
buf[PCF8563_REG_DW] = tm->tm_wday & 0x07;