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,
Keoseong Park <keosung.park@samsung.com>,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 8/8] ABI: sysfs-driver-ufs: Add missing UFS sysfs attributes
Date: Wed, 5 Feb 2025 10:12:49 -0800 [thread overview]
Message-ID: <07c3d640-d2d7-4edb-b62e-0926e5e7c7c8@acm.org> (raw)
In-Reply-To: <20250203081109.1614395-9-quic_ziqichen@quicinc.com>
On 2/3/25 12:11 AM, Ziqi Chen wrote:
Please change the patch title from "Add missing UFS sysfs attributes"
into "Add missing UFS sysfs attribute documentation". This patch does
not add any sysfs attributes - it adds missing documentation.
> +What: /sys/bus/platform/drivers/ufshcd/*/clkscale_enable
> +What: /sys/bus/platform/devices/*.ufs/clkscale_enable
> +Date: January 2025
> +Contact: Ziqi Chen <quic_ziqichen@quicinc.com>
> +Description:
> + This file shows whether the UFS clock scaling is enabled or not.
> + And it can be used to enable/disable the clock scaling by writing
> + 1 or 0 to this file.
> +
> + The file is read/write.
> +
> +What: /sys/bus/platform/drivers/ufshcd/*/clkgate_enable
> +What: /sys/bus/platform/devices/*.ufs/clkgate_enable
> +Date: January 2025
> +Contact: Ziqi Chen <quic_ziqichen@quicinc.com>
> +Description:
> + This file shows whether the UFS clock gating is enabled or not.
> + And it can be used to enable/disable the clock gating by writing
> + 1 or 0 to this file.
> +
> + The file is read/write.
> +
> +What: /sys/bus/platform/drivers/ufshcd/*/clkgate_delay_ms
> +What: /sys/bus/platform/devices/*.ufs/clkgate_delay_ms
> +Date: January 2025
> +Contact: Ziqi Chen <quic_ziqichen@quicinc.com>
> +Description:
> + This file shows and sets the number of milliseconds of idle time
> + before the UFS driver start to perform clock gating. This can
^^^^^
starts
> + prevent the UFS from frequently performing clock gate/ungate.
^^^^^^^
gating/ungating
> +
> + The file is read/write.
Please change the word "file" into "attribute" to make the sysfs
attribute documentation consistent with the sysfs documentation for
other kernel drivers.
Thanks,
Bart.
next prev parent reply other threads:[~2025-02-05 18:13 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
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 [this message]
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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