linux-kernel - Re: [PATCH v2] scsi: ufs: Use pre-calculated offsets in ufshcd_init

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Message-ID: <2291e38f-1482-47f2-9c23-dfd259f53824@acm.org>
Date: Tue, 1 Oct 2024 10:19:14 -0700
From: Bart Van Assche <bvanassche@....org>
To: Avri Altman <Avri.Altman@....com>,
 "Martin K . Petersen" <martin.petersen@...cle.com>
Cc: "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "stable@...r.kernel.org" <stable@...r.kernel.org>,
 Alim Akhtar <alim.akhtar@...sung.com>, Daejun Park <daejun7.park@...sung.com>
Subject: Re: [PATCH v2] scsi: ufs: Use pre-calculated offsets in
 ufshcd_init_lrb

On 10/1/24 12:19 AM, Avri Altman wrote:
> Bart - How do you want to proceed with this fix?

Since this patch affects the Exynos UFSHCI, I think we need feedback
from the maintainers of the Exynos UFSHCI code.

Personally I'm hesitant to proceed with this patch. As you may know the
android-mainline kernel tracks the upstream kernel very closely.
Currently that kernel branch is only one week behind Linus' master
branch. The android-mainline kernel boots fine on Pixel 6 devices. These
devices have an Exynos UFS host controller. Since this patch modifies
the behavior for the Exynos UFS host controller there is a potential
that it will break the support for that controller.

Thanks,

Bart.