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From: Stanley Chu <stanley.chu@mediatek.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	"James E.J. Bottomley" <jejb@linux.ibm.com>,
	"Martin K. Petersen" <martin.petersen@oracle.com>,
	Can Guo <cang@codeaurora.org>,
	Asutosh Das <asutoshd@codeaurora.org>,
	Bean Huo <beanhuo@micron.com>, <linux-scsi@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>
Subject: Re: [PATCH] scsi: ufs: Adjust logic in common ADAPT helper
Date: Sun, 22 Nov 2020 00:23:07 +0800	[thread overview]
Message-ID: <1605975787.10232.0.camel@mtkswgap22> (raw)
In-Reply-To: <20201121044810.507288-1-bjorn.andersson@linaro.org>

On Fri, 2020-11-20 at 20:48 -0800, Bjorn Andersson wrote:
> The introduction of ufshcd_dme_configure_adapt() refactored out
> duplication from the Mediatek and Qualcomm drivers.
> 
> Both these implementations had the logic of:
>     gear_tx == UFS_HS_G4 => PA_INITIAL_ADAPT
>     gear_tx != UFS_HS_G4 => PA_NO_ADAPT
> 
> but now both implementations pass PA_INITIAL_ADAPT as "adapt_val" and if
> gear_tx is not UFS_HS_G4 that is replaced with PA_INITIAL_ADAPT. In
> other words, it's PA_INITIAL_ADAPT in both above cases.
> 
> The result is that e.g. Qualcomm SM8150 has no longer functional UFS, so
> adjust the logic to match the previous implementation.
> 
> Fixes: fc85a74e28fe ("scsi: ufs: Refactor ADAPT configuration function")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Thanks for the fix.

Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>

  reply	other threads:[~2020-11-21 16:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-21  4:48 [PATCH] scsi: ufs: Adjust logic in common ADAPT helper Bjorn Andersson
2020-11-21 16:23 ` Stanley Chu [this message]
2020-11-23  1:25 ` Can Guo
2020-11-24  3:08 ` Martin K. Petersen
2020-12-01  5:04 ` Martin K. Petersen
2020-12-29 20:15 ` patchwork-bot+linux-arm-msm

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