linux-kernel - Re: [PATCH v2 3/4] dt-bindings: ufs: mediatek,ufs: add MT8195 compatible and update clock nodes

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Message-ID: <f1589156-7e4a-4f47-88a1-8c51f6594366@collabora.com>
Date: Wed, 23 Jul 2025 10:10:02 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Macpaul Lin (林智斌) <Macpaul.Lin@...iatek.com>,
 Peter Wang (王信友) <peter.wang@...iatek.com>,
 "chu.stanley@...il.com" <chu.stanley@...il.com>,
 "robh@...nel.org" <robh@...nel.org>,
 "James.Bottomley@...senPartnership.com"
 <James.Bottomley@...senPartnership.com>,
 "bvanassche@....org" <bvanassche@....org>,
 "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "conor+dt@...nel.org" <conor+dt@...nel.org>,
 "linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
 "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
 "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
 "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
 "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>,
 "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
 "avri.altman@....com" <avri.altman@....com>,
 "martin.petersen@...cle.com" <martin.petersen@...cle.com>
Cc: "macpaul@...il.com" <macpaul@...il.com>,
 Pablo Sun (孫毓翔) <pablo.sun@...iatek.com>,
 Project_Global_Chrome_Upstream_Group
 <Project_Global_Chrome_Upstream_Group@...iatek.com>,
 Bear Wang (萩原惟德) <bear.wang@...iatek.com>,
 Ramax Lo (羅明遠) <Ramax.Lo@...iatek.com>
Subject: Re: [PATCH v2 3/4] dt-bindings: ufs: mediatek,ufs: add MT8195
 compatible and update clock nodes

Il 23/07/25 09:33, Macpaul Lin (林智斌) ha scritto:
> On Tue, 2025-07-22 at 11:39 +0200, AngeloGioacchino Del Regno wrote:
>>
>> External email : Please do not click links or open attachments until
>> you have verified the sender or the content.
>>
> 
> [snip...]
> 
>> The unipro mp_bclk really is the ufs-sap clock; besides, the standard
>> has clocks
>> for both TX and RX symbols - and also MT8195 (and also MT6991,
>> MT8196, and others)
>> UFS controller do have both TX and RX symbol clocks.
>>
>> Besides, you're also missing the crypto clocks for UFS, which brings
>> the count to
>> 12 total clocks for MT8195.
>>
>> Please, look at my old submission, which actually fixes the
>> compatibles other than
>> adding the right clocks for all UFS controllers in MediaTek
>> platforms.
>>
>> https://lore.kernel.org/all/20240612074309.50278-1-angelogioacchino.delregno@collabora.com/
>>
>> I want to take the occasion to remind everyone that my fixes were
>> discarded because
>> the MediaTek UFS driver maintainer wants to keep the low quality of
>> the driver in
>> favor of easier downstream porting - which is *not* in any way
>> adhering to quality
>> standards that the Linux community deserves.
>>
> 
> Oops, it is sad to hear that.
> MediaTek will raise an internal discussion and hope
> we could get the more specific requirements back to you soon.
> 

Thanks for that.

Cheers,
Angelo