From: Ziqi Chen <quic_ziqichen@quicinc.com>
To: Bart Van Assche <bvanassche@acm.org>, <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>,
Andrew Halaney <ahalaney@redhat.com>,
Eric Biggers <ebiggers@google.com>,
Minwoo Im <minwoo.im@samsung.com>,
"open list" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v3 7/8] scsi: ufs: core: Toggle Write Booster during clock scaling base on gear speed
Date: Thu, 6 Feb 2025 15:53:02 +0800 [thread overview]
Message-ID: <feff073b-452f-48d3-b5a8-c308c59baec8@quicinc.com> (raw)
In-Reply-To: <e0a30d55-5319-48e7-a121-04db8a393f39@acm.org>
On 2/6/2025 2:09 AM, Bart Van Assche wrote:
> On 2/3/25 12:11 AM, Ziqi Chen wrote:
>> - /* Enable Write Booster if we have scaled up else disable it */
>> - if (ufshcd_enable_wb_if_scaling_up(hba) && !err)
>> - ufshcd_wb_toggle(hba, scale_up);
>> + /* Enable Write Booster if current gear requires it else disable
>> it */
>> + if (ufshcd_enable_wb_if_scaling_up(hba) && !err) {
>> + bool wb_en = false;
>> +
>> + wb_en = hba->pwr_info.gear_rx >= hba->clk_scaling.wb_gear ?
>> true : false;
>> + ufshcd_wb_toggle(hba, wb_en);
>> + }
>
> Both the " = false" initialization and the "? true : false" part are
> unnecessary. Please remove the "wb_en" variable entirely, e.g. as follows:
>
> if (ufshcd_enable_wb_if_scaling_up(hba) && !err)
> ufshcd_wb_toggle(hba, hba->pwr_info.gear_rx >=
> hba->clk_scaling.wb_gear);
>
> Otherwise this patch looks good to me.
>
> Thanks,
>
> Bart.
Sure , Bart. Your suggestion looks nice. let me apply it in next
version, thank you~
-Ziqi
next prev parent reply other threads:[~2025-02-06 7:54 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 [this message]
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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