Re: [PATCH v2 1/3] dt-bindings: net: qcom,ethqos: Drop fallback compatible for qcom,qcs615-ethqos

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On Wed, Dec 25, 2024 at 04:58:20PM +0800, Yijie Yang wrote:
> 
> 
> On 2024-12-24 17:02, Krzysztof Kozlowski wrote:
> > On 24/12/2024 04:07, Yijie Yang wrote:
> > > The core version of EMAC on qcs615 has minor differences compared to that
> > > on sm8150. During the bring-up routine, the loopback bit needs to be set,
> > > and the Power-On Reset (POR) status of the registers isn't entirely
> > > consistent with sm8150 either.
> > > Therefore, it should be treated as a separate entity rather than a
> > > fallback option.
> > 
> > ... and explanation of ABI impact? You were asked about this last time,
> > so this is supposed to end up here.
> 
> I actually replied to this query last time, but maybe it wasn't clear.
> Firstly, no one is using Ethernet on this platform yet. Secondly, the
> previous fallback to sm8150 is incorrect and causes packet loss. Instead, it
> should fall back to qcs404.

One of the purposes of the commit message is to answer questions
reviews might have. You were even asked this question, so that should
of been a clue to include the answer in the commit message.

	Andrew




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