commit 0ca06664902d82ff0cb962cc4a72f63ab4bf4991
author Atsushi Nemoto <anemo@mba.ocn.ne.jp> Tue Jun 27 02:53:58 2006 -0700
committer Linus Torvalds <torvalds@g5.osdl.org> Tue Jun 27 17:32:39 2006 -0700
tree d2ee0c36e1984a34f13636548ff1432b54addf88
parent 6527c2bdf1f833cc18e8f42bd97973d583e4aa83

[PATCH] RTC: Add a comment for ENOIOCTLCMD in ds1553_rtc_ioctl

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/rtc/rtc-ds1553.c

diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index ecafbad..762521a 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -226,7 +226,7 @@
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 
 	if (pdata->irq < 0)
-		return -ENOIOCTLCMD;
+		return -ENOIOCTLCMD; /* fall back into rtc-dev's emulation */
 	switch (cmd) {
 	case RTC_AIE_OFF:
 		pdata->irqen &= ~RTC_AF;