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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


  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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