linux-kernel - Re: [PATCH 1/9] watchdog: of_xilinx

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Date:   Mon, 15 Mar 2021 19:21:48 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Srinivas Neeli <srinivas.neeli@...inx.com>,
        michal.simek@...inx.com, shubhrajyoti.datta@...inx.com,
        sgoud@...inx.com
Cc:     wim@...ux-watchdog.org, linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        git@...inx.com, Srinivas Goud <srinivas.goud@...inx.com>
Subject: Re: [PATCH 1/9] watchdog: of_xilinx_wdt: Add comment to spinlock

On 3/15/21 3:46 AM, Srinivas Neeli wrote:
> From: Srinivas Goud <srinivas.goud@...inx.com>
> 
> Based on checkpatch every spinlock should be documented.
> The patch is fixing this issue:
> ./scripts/checkpatch.pl --strict -f drivers/watchdog/of_xilinx_wdt.c
> CHECK: spinlock_t definition without comment
> +	spinlock_t spinlock;
> 
> Signed-off-by: Srinivas Goud <srinivas.goud@...inx.com>
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> Signed-off-by: Srinivas Neeli <srinivas.neeli@...inx.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/watchdog/of_xilinx_wdt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
> index 7fe4f7c3f7ce..00549164b3d7 100644
> --- a/drivers/watchdog/of_xilinx_wdt.c
> +++ b/drivers/watchdog/of_xilinx_wdt.c
> @@ -40,7 +40,7 @@
>  struct xwdt_device {
>  	void __iomem *base;
>  	u32 wdt_interval;
> -	spinlock_t spinlock;
> +	spinlock_t spinlock; /* spinlock for register handling */
>  	struct watchdog_device xilinx_wdt_wdd;
>  	struct clk		*clk;
>  };
>