[PATCH] EDAC: Kconfig dependency changes

[linux-2.6-omap-h63xx.git] / drivers / char / rtc.c

diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index a7f099fb7dfed7b86d3d386baa85018215d07b35..7cac6d05d72353da0c69c883d1806e59cc50aa8e 100644 (file)
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -46,10 +46,10 @@
  *      1.11a   Daniele Bellucci: Audit create_proc_read_entry in rtc_init
  *     1.12    Venkatesh Pallipadi: Hooks for emulating rtc on HPET base-timer
  *             CONFIG_HPET_EMULATE_RTC
- *
+ *     1.12ac  Alan Cox: Allow read access to the day of week register
  */
 
-#define RTC_VERSION            "1.12"
+#define RTC_VERSION            "1.12ac"
 
 #define RTC_IO_EXTENT  0x8
 
@@ -1250,9 +1250,9 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 
        /*
         * Only the values that we read from the RTC are set. We leave
-        * tm_wday, tm_yday and tm_isdst untouched. Even though the
-        * RTC has RTC_DAY_OF_WEEK, we ignore it, as it is only updated
-        * by the RTC when initially set to a non-zero value.
+        * tm_wday, tm_yday and tm_isdst untouched. Note that while the
+        * RTC has RTC_DAY_OF_WEEK, we should usually ignore it, as it is
+        * only updated by the RTC when initially set to a non-zero value.
         */
        spin_lock_irq(&rtc_lock);
        rtc_tm->tm_sec = CMOS_READ(RTC_SECONDS);
@@ -1261,6 +1261,9 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
        rtc_tm->tm_mday = CMOS_READ(RTC_DAY_OF_MONTH);
        rtc_tm->tm_mon = CMOS_READ(RTC_MONTH);
        rtc_tm->tm_year = CMOS_READ(RTC_YEAR);
+       /* Only set from 2.6.16 onwards */
+       rtc_tm->tm_wday = CMOS_READ(RTC_DAY_OF_WEEK);
+
 #ifdef CONFIG_MACH_DECSTATION
        real_year = CMOS_READ(RTC_DEC_YEAR);
 #endif
@@ -1275,6 +1278,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
                BCD_TO_BIN(rtc_tm->tm_mday);
                BCD_TO_BIN(rtc_tm->tm_mon);
                BCD_TO_BIN(rtc_tm->tm_year);
+               BCD_TO_BIN(rtc_tm->tm_wday);
        }
 
 #ifdef CONFIG_MACH_DECSTATION