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authorJeff Garzik <jeff@garzik.org>2007-02-17 15:09:59 -0500
committerJeff Garzik <jeff@garzik.org>2007-02-17 15:09:59 -0500
commit48c871c1f6a7c7044dd76774fb469e65c7e2e4e8 (patch)
treeda3aa535c98cc0957851354ceb0fbff7482d7a9d /include/linux/mc146818rtc.h
parent1a1689344add3333d28d1b5495d8043a3877d01c (diff)
parent4409d28140d9a6e6e3f4f1fdaf7234c4b965d954 (diff)
Merge branch 'gfar' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into upstream
Diffstat (limited to 'include/linux/mc146818rtc.h')
-rw-r--r--include/linux/mc146818rtc.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h
index 432b2fa2492..bdc01127dce 100644
--- a/include/linux/mc146818rtc.h
+++ b/include/linux/mc146818rtc.h
@@ -18,6 +18,16 @@
#ifdef __KERNEL__
#include <linux/spinlock.h> /* spinlock_t */
extern spinlock_t rtc_lock; /* serialize CMOS RAM access */
+
+/* Some RTCs extend the mc146818 register set to support alarms of more
+ * than 24 hours in the future; or dates that include a century code.
+ * This platform_data structure can pass this information to the driver.
+ */
+struct cmos_rtc_board_info {
+ u8 rtc_day_alarm; /* zero, or register index */
+ u8 rtc_mon_alarm; /* zero, or register index */
+ u8 rtc_century; /* zero, or register index */
+};
#endif
/**********************************************************************