linux-kernel - Re: [PATCH 2/3] watchdog: sama5d4_wdt: add support for sama7g5-wdt

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Date:   Thu, 27 May 2021 09:55:06 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Eugen Hristev <eugen.hristev@...rochip.com>
Cc:     wim@...ux-watchdog.org, robh+dt@...nel.org,
        nicolas.ferre@...rochip.com, linux-watchdog@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] watchdog: sama5d4_wdt: add support for sama7g5-wdt

On Thu, May 27, 2021 at 01:01:19PM +0300, Eugen Hristev wrote:
> Add support for compatible sama7g5-wdt.
> The sama7g5 wdt is the same hardware block as on sam9x60.
> Adapt the driver to use the sam9x60/sama7g5 variant if either
> of the two compatibles are selected (sam9x60-wdt/sama7g5-wdt).
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>

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

> ---
>  drivers/watchdog/sama5d4_wdt.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/watchdog/sama5d4_wdt.c b/drivers/watchdog/sama5d4_wdt.c
> index e5d11d6a2600..ec20ad4e534f 100644
> --- a/drivers/watchdog/sama5d4_wdt.c
> +++ b/drivers/watchdog/sama5d4_wdt.c
> @@ -268,8 +268,10 @@ static int sama5d4_wdt_probe(struct platform_device *pdev)
>  	wdd->min_timeout = MIN_WDT_TIMEOUT;
>  	wdd->max_timeout = MAX_WDT_TIMEOUT;
>  	wdt->last_ping = jiffies;
> -	wdt->sam9x60_support = of_device_is_compatible(dev->of_node,
> -						       "microchip,sam9x60-wdt");
> +
> +	if (of_device_is_compatible(dev->of_node, "microchip,sam9x60-wdt") ||
> +	    of_device_is_compatible(dev->of_node, "microchip,sama7g5-wdt"))
> +		wdt->sam9x60_support = true;
>  
>  	watchdog_set_drvdata(wdd, wdt);
>  
> @@ -329,6 +331,10 @@ static const struct of_device_id sama5d4_wdt_of_match[] = {
>  	{
>  		.compatible = "microchip,sam9x60-wdt",
>  	},
> +	{
> +		.compatible = "microchip,sama7g5-wdt",
> +	},
> +
>  	{ }
>  };
>  MODULE_DEVICE_TABLE(of, sama5d4_wdt_of_match);
> -- 
> 2.25.1
>