public inbox for linux-scsi@vger.kernel.org
 help / color / mirror / Atom feed
From: "Peter Wang (王信友)" <peter.wang@mediatek.com>
To: "beanhuo@micron.com" <beanhuo@micron.com>,
	"avri.altman@wdc.com" <avri.altman@wdc.com>,
	"quic_rampraka@quicinc.com" <quic_rampraka@quicinc.com>,
	"quic_cang@quicinc.com" <quic_cang@quicinc.com>,
	"quic_nguyenb@quicinc.com" <quic_nguyenb@quicinc.com>,
	"quic_nitirawa@quicinc.com" <quic_nitirawa@quicinc.com>,
	"bvanassche@acm.org" <bvanassche@acm.org>,
	"quic_ziqichen@quicinc.com" <quic_ziqichen@quicinc.com>,
	"junwoo80.lee@samsung.com" <junwoo80.lee@samsung.com>,
	"mani@kernel.org" <mani@kernel.org>,
	"martin.petersen@oracle.com" <martin.petersen@oracle.com>
Cc: "ahalaney@redhat.com" <ahalaney@redhat.com>,
	"ebiggers@google.com" <ebiggers@google.com>,
	"neil.armstrong@linaro.org" <neil.armstrong@linaro.org>,
	"chu.stanley@gmail.com" <chu.stanley@gmail.com>,
	"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
	"manivannan.sadhasivam@linaro.org"
	<manivannan.sadhasivam@linaro.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"alim.akhtar@samsung.com" <alim.akhtar@samsung.com>,
	"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
	"minwoo.im@samsung.com" <minwoo.im@samsung.com>,
	"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
	"James.Bottomley@HansenPartnership.com"
	<James.Bottomley@HansenPartnership.com>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>
Subject: Re: [PATCH v5 1/8] scsi: ufs: core: Pass target_freq to clk_scale_notify() vop
Date: Fri, 14 Feb 2025 05:52:38 +0000	[thread overview]
Message-ID: <8e2b992282751b6c052d72f15641294ac47c3861.camel@mediatek.com> (raw)
In-Reply-To: <20250213080008.2984807-2-quic_ziqichen@quicinc.com>

On Thu, 2025-02-13 at 16:00 +0800, Ziqi Chen wrote:
> 
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> From: Can Guo <quic_cang@quicinc.com>
> 
> Instead of only two frequencies, if OPP V2 is used, the UFS devfreq
> clock
> scaling may scale the clock among multiple frequencies, so just
> passing
> up/down to vop clk_scale_notify() is not enough to cover the
> intermediate
> clock freqs between the min and max freqs. Hence pass the target_freq
> ,
> which will be used in successive commits, to clk_scale_notify() to
> allow
> the vop to perform corresponding configurations with regard to the
> clock
> freqs.
> 
> Signed-off-by: Can Guo <quic_cang@quicinc.com>
> Co-developed-by: Ziqi Chen <quic_ziqichen@quicinc.com>
> Signed-off-by: Ziqi Chen <quic_ziqichen@quicinc.com>
> Reviewed-by: Bean Huo <beanhuo@micron.com>
> Reviewed-by: Bart Van Assche <bvanassche@acm.org>
> Tested-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
> 
> v1 -> v2:
> Modify commit message to make it more clear.
> 
> v2 -> v3:
> Change 'vops' to 'vop' in commit message.
> 
> v4 -> v5:
> keep the indentation consistent for clk_scale_notify() definition.
> 
> 

Reviewed-by: Peter Wang <peter.wang@mediatek.com>



  reply	other threads:[~2025-02-14  5:52 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-13  8:00 [PATCH v5 0/8] Support Multi-frequency scale for UFS Ziqi Chen
2025-02-13  8:00 ` [PATCH v5 1/8] scsi: ufs: core: Pass target_freq to clk_scale_notify() vop Ziqi Chen
2025-02-14  5:52   ` Peter Wang (王信友) [this message]
2025-02-13  8:00 ` [PATCH v5 2/8] scsi: ufs: qcom: Pass target_freq to clk scale pre and post change Ziqi Chen
2025-02-14  5:53   ` Peter Wang (王信友)
2025-02-13  8:00 ` [PATCH v5 3/8] scsi: ufs: core: Add a vop to map clock frequency to gear speed Ziqi Chen
2025-02-14  5:54   ` Peter Wang (王信友)
2025-02-13  8:00 ` [PATCH v5 4/8] scsi: ufs: qcom: Implement the freq_to_gear_speed() vop Ziqi Chen
2025-02-14  5:54   ` Peter Wang (王信友)
2025-02-13  8:00 ` [PATCH v5 5/8] scsi: ufs: core: Enable multi-level gear scaling Ziqi Chen
2025-02-14  5:55   ` Peter Wang (王信友)
2025-04-24 15:35   ` Neil Armstrong
2025-04-25  7:29     ` Ziqi Chen
2025-04-25  7:43       ` neil.armstrong
2025-04-29 10:23         ` Ziqi Chen
2025-04-29 12:25           ` neil.armstrong
2025-02-13  8:00 ` [PATCH v5 6/8] scsi: ufs: core: Check if scaling up is required when disable clkscale Ziqi Chen
2025-02-13  8:00 ` [PATCH v5 7/8] scsi: ufs: core: Toggle Write Booster during clock scaling base on gear speed Ziqi Chen
2025-02-13  8:00 ` [PATCH v5 8/8] ABI: sysfs-driver-ufs: Add missing UFS sysfs attributes Ziqi Chen
2025-02-21  3:13 ` [PATCH v5 0/8] Support Multi-frequency scale for UFS Martin K. Petersen
2025-02-25  0:32 ` Martin K. Petersen
2025-04-25 19:48 ` Luca Weiss
2025-04-27  8:14   ` Ziqi Chen
2025-04-28  8:06     ` Ziqi Chen
2025-04-28 11:26       ` Luca Weiss

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=8e2b992282751b6c052d72f15641294ac47c3861.camel@mediatek.com \
    --to=peter.wang@mediatek.com \
    --cc=James.Bottomley@HansenPartnership.com \
    --cc=ahalaney@redhat.com \
    --cc=alim.akhtar@samsung.com \
    --cc=angelogioacchino.delregno@collabora.com \
    --cc=avri.altman@wdc.com \
    --cc=beanhuo@micron.com \
    --cc=bvanassche@acm.org \
    --cc=chu.stanley@gmail.com \
    --cc=ebiggers@google.com \
    --cc=junwoo80.lee@samsung.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=mani@kernel.org \
    --cc=manivannan.sadhasivam@linaro.org \
    --cc=martin.petersen@oracle.com \
    --cc=matthias.bgg@gmail.com \
    --cc=minwoo.im@samsung.com \
    --cc=neil.armstrong@linaro.org \
    --cc=quic_cang@quicinc.com \
    --cc=quic_nguyenb@quicinc.com \
    --cc=quic_nitirawa@quicinc.com \
    --cc=quic_rampraka@quicinc.com \
    --cc=quic_ziqichen@quicinc.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox