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>,
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<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>
next prev parent 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
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