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watchdog: bcm281xx: Fix use of uninitialized spinlock.

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The bcm_kona_wdt_set_resolution_reg() call takes the spinlock, so
initialize it earlier.  Fixes a warning at boot with lock debugging
enabled.

Fixes: 6adb730dc2 ("watchdog: bcm281xx: Watchdog Driver")
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Eric Anholt 2017-04-27 18:02:32 -07:00 committed by Wim Van Sebroeck
parent 07441a7dd1
commit fedf266f99
1 changed files with 2 additions and 1 deletions
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3
drivers/watchdog/bcm_kona_wdt.c
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@ -304,6 +304,8 @@ static int bcm_kona_wdt_probe(struct platform_device *pdev)
if (!wdt)
return -ENOMEM;
spin_lock_init(&wdt->lock);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
wdt->base = devm_ioremap_resource(dev, res);
if (IS_ERR(wdt->base))
@ -316,7 +318,6 @@ static int bcm_kona_wdt_probe(struct platform_device *pdev)
return ret;
}
spin_lock_init(&wdt->lock);
platform_set_drvdata(pdev, wdt);
watchdog_set_drvdata(&bcm_kona_wdt_wdd, wdt);
bcm_kona_wdt_wdd.parent = &pdev->dev;