linux-kernel - Re: [PATCH] ufs: scsi: core: Send a NOP OUT to device before disabling AHIT

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Message-ID: <2699d51bce81bd68fd1552a1ea17bc4bd773c7e9.camel@mediatek.com>
Date: Wed, 18 Jun 2025 04:08:09 +0000
From: Peter Wang (王信友) <peter.wang@...iatek.com>
To: "avri.altman@....com" <avri.altman@....com>, "ebiggers@...gle.com"
	<ebiggers@...gle.com>, "neil.armstrong@...aro.org"
	<neil.armstrong@...aro.org>, "quic_cang@...cinc.com" <quic_cang@...cinc.com>,
	"quic_nguyenb@...cinc.com" <quic_nguyenb@...cinc.com>, "bvanassche@....org"
	<bvanassche@....org>, "mrigankac@...gle.com" <mrigankac@...gle.com>,
	"alim.akhtar@...sung.com" <alim.akhtar@...sung.com>, "mani@...nel.org"
	<mani@...nel.org>
CC: "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"manugautam@...gle.com" <manugautam@...gle.com>, "vamshigajjela@...gle.com"
	<vamshigajjela@...gle.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ufs: scsi: core: Send a NOP OUT to device before
 disabling AHIT

On Tue, 2025-06-17 at 07:37 +0000, Mriganka Chakravarty wrote:
> Synopsis databook recommends that the host must send a NOP OUT to
> device
> before disabling AHIT(setting AHIT.AH8ITV to 0), if already
> programmed
> to a non-zero value.
> 
> Signed-off-by: Mriganka Chakravarty <mrigankac@...gle.com>

Hi Mriganka,

Please do not add a quirk without adding a user that needs the quirk.

Thanks.
Peter