[PATCH] watchdog: bcm281xx: Fix use of uninitialized spinlock.
From: Eric Anholt
Date: Thu Apr 27 2017 - 21:02:47 EST
The bcm_kona_wdt_set_resolution_reg() call takes the spinlock, so
initialize it earlier. Fixes a warning at boot with lock debugging
enabled.
Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
---
drivers/watchdog/bcm_kona_wdt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c
index 6fce17d5b9f1..a5775dfd8d5f 100644
--- a/drivers/watchdog/bcm_kona_wdt.c
+++ b/drivers/watchdog/bcm_kona_wdt.c
@@ -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;
--
2.11.0