linux-kernel - Re: [PATCH] powerpc: fsl_rio: Use of_range_to

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Message-Id: <168836201902.50010.6190167965224825737.b4-ty@ellerman.id.au>
Date:   Mon, 03 Jul 2023 15:26:59 +1000
From:   Michael Ellerman <patch-notifications@...erman.id.au>
To:     Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Rob Herring <robh@...nel.org>
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] powerpc: fsl_rio: Use of_range_to_resource() for "ranges" parsing

On Fri, 09 Jun 2023 12:32:44 -0600, Rob Herring wrote:
> "ranges" is a standard property with common parsing functions. Users
> shouldn't be implementing their own parsing of it. Refactor the FSL RapidIO
> "ranges" parsing to use of_range_to_resource() instead.
> 
> One change is the original code would look for "#size-cells" and
> "#address-cells" in the parent node if not found in the port child
> nodes. That is non-standard behavior and not necessary AFAICT. In 2011
> in commit 54986964c13c ("powerpc/85xx: Update SRIO device tree nodes")
> there was an ABI break. The upstream .dts files have been correct since
> at least that point.
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc: fsl_rio: Use of_range_to_resource() for "ranges" parsing
      https://git.kernel.org/powerpc/c/c4ae1799a5a358388acb610512c68666f8758364

cheers