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watchdog: orion: use 0 for unset heartbeat

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commit bb914088bd upstream.

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>
Signed-off-by: Marek Behún <kabel@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chris Packham 2020-03-13 16:13:12 +13:00 committed by Greg Kroah-Hartman
parent 9acf1c10f1
commit 10b77e16b3
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/orion_wdt.c
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@ -52,7 +52,7 @@
#define WDT_A370_RATIO (1 << WDT_A370_RATIO_SHIFT)
static bool nowayout = WATCHDOG_NOWAYOUT;
static int heartbeat = -1; /* module parameter (seconds) */
static int heartbeat; /* module parameter (seconds) */
struct orion_watchdog;