From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Tue, 27 Jun 2006 09:53:58 +0000 (-0700)
Subject: [PATCH] RTC: Add a comment for ENOIOCTLCMD in ds1553_rtc_ioctl
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0ca06664902d82ff0cb962cc4a72f63ab4bf4991;p=openwrt%2Fstaging%2Fblogic.git

[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>
---

diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index ecafbad41a24..762521a1419c 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -226,7 +226,7 @@ static int ds1553_rtc_ioctl(struct device *dev, unsigned int cmd,
 	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;