From bb914088bd8a91c382f54d469367b2e5508b5493 Mon Sep 17 00:00:00 2001
From: Chris Packham <chris.packham@alliedtelesis.co.nz>
Date: Fri, 13 Mar 2020 16:13:12 +1300
Subject: [PATCH] watchdog: orion: use 0 for unset heartbeat
Git-commit: bb914088bd8a91c382f54d469367b2e5508b5493
Patch-mainline: v5.7-rc1
References: git-fixes

If the heartbeat module param is not specified we would get an error
message

  watchdog: f1020300.watchdog: driver supplied timeout (4294967295) out of range
  watchdog: f1020300.watchdog: falling back to default timeout (171)

This is because we were initialising heartbeat to -1. By removing the
initialisation (thus letting the C run time initialise it to 0) we
silence the warning message and the default timeout is still used.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200313031312.1485-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/watchdog/orion_wdt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -47,7 +47,7 @@
 #define WDT_A370_EXPIRED	BIT(31)
 
 static bool nowayout = WATCHDOG_NOWAYOUT;
-static int heartbeat = -1;		/* module parameter (seconds) */
+static int heartbeat;		/* module parameter (seconds) */
 
 struct orion_watchdog;