linux-kernel - [PATCH] ufs: core: add caps UFSHCD_CAP_MCQ

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Message-Id: <20250421135812.644-1-tanghuan@vivo.com>
Date: Mon, 21 Apr 2025 21:58:12 +0800
From: Huan Tang <tanghuan@...o.com>
To: bvanassche@...o.com
Cc: James.Bottomley@...senPartnership.com,
	alim.akhtar@...sung.com,
	avri.altman@....com,
	ebiggers@...gle.com,
	linux-kernel@...r.kernel.org,
	linux-scsi@...r.kernel.org,
	manivannan.sadhasivam@...aro.org,
	martin.petersen@...cle.com,
	minwoo.im@...sung.com,
	opensource.kernel@...o.com,
	peter.wang@...iatek.com,
	quic_nguyenb@...cinc.com
Subject: [PATCH] ufs: core: add caps UFSHCD_CAP_MCQ_EN

> Add caps UFSHCD_CAP_MCQ_EN(default enable), then host driver to
> control the on/off of MCQ; Sometimes, we don't want to enable
> MCQ and want to disable it through the host driver, for example,
> ufs-qcom.c .

Hi Bart sir,

Sorry to disturb you!
Some phones use the qcom SM7750 platform, but I don't want to use MCQ; currently, to turn it off, I have to break GKI, so I want to add a way to control MCQ on/off, so that I can turn it off in ufs-qcom.c

Thanks
Huan