From: "Peter Wang (王信友)" <peter.wang@mediatek.com>
To: "mani@kernel.org" <mani@kernel.org>,
"shengchao.guo@oss.qualcomm.com" <shengchao.guo@oss.qualcomm.com>
Cc: "CC Chou (周志杰)" <cc.chou@mediatek.com>,
"jejb@linux.ibm.com" <jejb@linux.ibm.com>,
"bvanassche@acm.org" <bvanassche@acm.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"Eddie Huang (黃智傑)" <eddie.huang@mediatek.com>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"Chaotian Jing (井朝天)" <Chaotian.Jing@mediatek.com>,
"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>,
"Naomi Chu (朱詠田)" <Naomi.Chu@mediatek.com>,
"Alice Chao (趙珮均)" <Alice.Chao@mediatek.com>,
"Ed Tsai (蔡宗軒)" <Ed.Tsai@mediatek.com>,
wsd_upstream <wsd_upstream@mediatek.com>,
"avri.altman@wdc.com" <avri.altman@wdc.com>,
"martin.petersen@oracle.com" <martin.petersen@oracle.com>,
"Chun-Hung Wu (巫駿宏)" <Chun-hung.Wu@mediatek.com>,
"Tun-yu Yu (游敦聿)" <Tun-yu.Yu@mediatek.com>
Subject: Re: [PATCH v1] ufs: core: Remove unnecessary block I/O quiesce for clock scaling
Date: Thu, 23 Jul 2026 13:22:57 +0000 [thread overview]
Message-ID: <7c55a405dcc3a0a80931263bf1807c815e78efea.camel@mediatek.com> (raw)
In-Reply-To: <yyocxatyi7bitvehm2fgltxpayomt3d6r5zyr2ugbehkvsowcz@cg4if4zdqgbu>
On Thu, 2026-07-23 at 14:39 +0200, Manivannan Sadhasivam wrote:
> Qcom Host Controllers doesn't support scaling clocks when the traffic
> is
> ongoing. So this patch certainly cannot work on our platforms.
>
> If you want to pursue, you should limit this change to MediaTek
> platforms. But
> nevertheless, this patch should be reverted as it breaks UFS on all
> Qcom
> platforms.
>
> - Mani
>
Hi Mani,
This patch is based on the JEDEC specification. As all SoCs
should follow this spec, I have not applied it solely to
MediaTek's platform. However, I think reverting it is okay.
I will consider how to revise it later.
Thanks
Peter
next prev parent reply other threads:[~2026-07-23 13:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-04 13:33 [PATCH v1] ufs: core: Remove unnecessary block I/O quiesce for clock scaling peter.wang
2026-06-10 19:47 ` Bart Van Assche
2026-07-12 19:59 ` Martin K. Petersen
2026-07-21 6:58 ` Shawn Guo
2026-07-21 12:54 ` Peter Wang (王信友)
2026-07-22 2:25 ` Shawn Guo
2026-07-23 12:39 ` Manivannan Sadhasivam
2026-07-23 13:22 ` Peter Wang (王信友) [this message]
2026-07-23 13:57 ` Manivannan Sadhasivam
2026-07-23 14:22 ` Manivannan Sadhasivam
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