linux-kernel - [PATCH 1/2] watchdog: it8712f_wdt: Add comments for config/control register names

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Date:	Thu, 30 Sep 2010 17:08:03 +0300
From:	Timo Juhani Lindfors <timo.lindfors@....fi>
To:	linux-watchdog@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Timo Juhani Lindfors <timo.lindfors@....fi>
Subject: [PATCH 1/2] watchdog: it8712f_wdt: Add comments for config/control register names

Signed-off-by: Timo Juhani Lindfors <timo.lindfors@....fi>
---
 drivers/watchdog/it8712f_wdt.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c
index f52c162..b08fae6 100644
--- a/drivers/watchdog/it8712f_wdt.c
+++ b/drivers/watchdog/it8712f_wdt.c
@@ -75,15 +75,15 @@ static unsigned short address;
 #define WDT_CONFIG	0x72	/* WDT Register: Configuration */
 #define WDT_TIMEOUT	0x73	/* WDT Register: Timeout Value */
 
-#define WDT_RESET_GAME	0x10
-#define WDT_RESET_KBD	0x20
-#define WDT_RESET_MOUSE	0x40
-#define WDT_RESET_CIR	0x80
+#define WDT_RESET_GAME	0x10	/* Reset timer on read or write to game port */
+#define WDT_RESET_KBD	0x20	/* Reset timer on keyboard interrupt */
+#define WDT_RESET_MOUSE	0x40	/* Reset timer on mouse interrupt */
+#define WDT_RESET_CIR	0x80	/* Reset timer on consumer IR interrupt */
 
 #define WDT_UNIT_SEC	0x80	/* If 0 in MINUTES */
 
-#define WDT_OUT_PWROK	0x10
-#define WDT_OUT_KRST	0x40
+#define WDT_OUT_PWROK	0x10	/* Pulse PWROK on timeout */
+#define WDT_OUT_KRST	0x40	/* Pulse reset on timeout */
 
 static int superio_inb(int reg)
 {
-- 
1.7.1

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