[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <8592b4ab-3277-d8ef-a227-91ad30f05328@gmail.com>
Date: Thu, 27 Apr 2017 18:28:11 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: Eric Anholt <eric@...olt.net>, Wim Van Sebroeck <wim@...ana.be>,
Guenter Roeck <linux@...ck-us.net>,
linux-watchdog@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
bcm-kernel-feedback-list@...adcom.com, Ray Jui <rjui@...adcom.com>,
Scott Branden <sbranden@...adcom.com>
Subject: Re: [PATCH] watchdog: bcm281xx: Fix use of uninitialized spinlock.
On 04/27/2017 06:02 PM, Eric Anholt wrote:
> 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@...olt.net>
Fixes: 6adb730dc208 ("watchdog: bcm281xx: Watchdog Driver")
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
> ---
> 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;
>
--
Florian
Powered by blists - more mailing lists