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: <845f204b2b2e39b794cdb9c0f3293dc8cba7286a.camel@mediatek.com>
Date: Wed, 23 Jul 2025 07:33:54 +0000
From: Macpaul Lin (林智斌) <Macpaul.Lin@...iatek.com>
To: 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>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, "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

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.

> Cheers,
> Angelo