From: Bart Van Assche <bvanassche@acm.org>
To: Ziqi Chen <quic_ziqichen@quicinc.com>,
quic_cang@quicinc.com, mani@kernel.org, beanhuo@micron.com,
avri.altman@wdc.com, junwoo80.lee@samsung.com,
martin.petersen@oracle.com, quic_nguyenb@quicinc.com,
quic_nitirawa@quicinc.com, quic_rampraka@quicinc.com
Cc: linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org,
Alim Akhtar <alim.akhtar@samsung.com>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Peter Wang <peter.wang@mediatek.com>,
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
Eric Biggers <ebiggers@google.com>,
Minwoo Im <minwoo.im@samsung.com>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 3/8] scsi: ufs: core: Add a vop to map clock frequency to gear speed
Date: Wed, 5 Feb 2025 10:03:26 -0800 [thread overview]
Message-ID: <8eb1563d-b2a4-41e5-ace1-7632cdf71d30@acm.org> (raw)
In-Reply-To: <20250203081109.1614395-4-quic_ziqichen@quicinc.com>
On 2/3/25 12:11 AM, Ziqi Chen wrote:
> Add a vop to map UFS host controller clock frequencies to the maximum
> supported UFS high speed gear speeds. During clock scaling, we can map the
> target clock frequency, demanded by devfreq, to the maximum supported gear
> speed, so that devfreq can scale the gear to the highest gear speed
> supported at the target clock frequency, instead of just scaling up/down
> the gear between the min and max gear speeds.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
next prev parent reply other threads:[~2025-02-05 18:03 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-03 8:11 [PATCH v3 0/8] Support Multi-frequency scale for UFS Ziqi Chen
2025-02-03 8:11 ` [PATCH v3 1/8] scsi: ufs: core: Pass target_freq to clk_scale_notify() vop Ziqi Chen
2025-02-03 9:37 ` Bean Huo
2025-02-06 7:32 ` Ziqi Chen
2025-02-05 18:02 ` Bart Van Assche
2025-02-03 8:11 ` [PATCH v3 2/8] scsi: ufs: qcom: Pass target_freq to clk scale pre and post change Ziqi Chen
2025-02-03 10:09 ` Bean Huo
2025-02-03 8:11 ` [PATCH v3 3/8] scsi: ufs: core: Add a vop to map clock frequency to gear speed Ziqi Chen
2025-02-03 12:55 ` Bean Huo
2025-02-06 7:47 ` Ziqi Chen
2025-02-05 18:03 ` Bart Van Assche [this message]
2025-02-03 8:11 ` [PATCH v3 4/8] scsi: ufs: qcom: Implement the freq_to_gear_speed() vop Ziqi Chen
2025-02-03 13:22 ` Bean Huo
2025-02-03 8:11 ` [PATCH v3 5/8] scsi: ufs: core: Enable multi-level gear scaling Ziqi Chen
2025-02-05 18:04 ` Bart Van Assche
2025-02-05 20:01 ` Bean Huo
2025-02-06 7:56 ` Ziqi Chen
2025-02-03 8:11 ` [PATCH v3 6/8] scsi: ufs: core: Check if scaling up is required when disable clkscale Ziqi Chen
2025-02-05 18:05 ` Bart Van Assche
2025-02-03 8:11 ` [PATCH v3 7/8] scsi: ufs: core: Toggle Write Booster during clock scaling base on gear speed Ziqi Chen
2025-02-05 18:09 ` Bart Van Assche
2025-02-06 7:53 ` Ziqi Chen
2025-02-05 20:03 ` Bean Huo
2025-02-06 7:57 ` Ziqi Chen
2025-02-03 8:11 ` [PATCH v3 8/8] ABI: sysfs-driver-ufs: Add missing UFS sysfs attributes Ziqi Chen
2025-02-05 18:12 ` Bart Van Assche
2025-02-06 7:54 ` Ziqi Chen
2025-02-06 9:53 ` [PATCH v3 0/8] Support Multi-frequency scale for UFS neil.armstrong
2025-02-07 3:29 ` Ziqi Chen
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