linux-kernel - Re: [PATCH] watchdog: rti_wdt: Use of_reserved_mem_region_to

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Message-ID: <5ca32e96-e6ea-4525-aa90-87a83ac6354f@roeck-us.net>
Date: Thu, 3 Jul 2025 16:15:18 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: Wim Van Sebroeck <wim@...ux-watchdog.org>,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] watchdog: rti_wdt: Use
 of_reserved_mem_region_to_resource() for "memory-region"

On Thu, Jul 03, 2025 at 01:35:18PM -0500, Rob Herring (Arm) wrote:
> Use the newly added of_reserved_mem_region_to_resource() function to
> handle "memory-region" properties.
> 
> The error handling is a bit different. "memory-region" is optional, so
> failed lookup is not an error. But then an error in
> of_address_to_resource() is treated as an error. However, that
> distinction is not really important. Either the region is available
> and usable or it is not. So now, it is just
> of_reserved_mem_region_to_resource() which is checked for an error.
> 
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>

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