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From: Palash Kambar <palash.kambar@oss.qualcomm.com>
To: Bart Van Assche <bvanassche@acm.org>,
	mani@kernel.org, James.Bottomley@HansenPartnership.com,
	martin.petersen@oracle.com
Cc: linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-kernel@vger.kernel.org, nitin.rawat@oss.qualcomm.com
Subject: Re: [PATCH v1 1/2] ufs: core: Configure only active lanes during link
Date: Thu, 26 Mar 2026 21:47:21 +0530	[thread overview]
Message-ID: <93eacde8-41a4-44a2-a427-31e56cde9da0@oss.qualcomm.com> (raw)
In-Reply-To: <7922d339-5e85-4b12-9e32-f095e10b1211@acm.org>



On 3/23/2026 9:13 PM, Bart Van Assche wrote:
> On 3/10/26 11:09 PM, palash.kambar@oss.qualcomm.com wrote:
>> [ ... ]
>> +static int ufshcd_get_connected_tx_lanes(struct ufs_hba *hba, u32 *tx_lanes)
>> +{
>> +    return ufshcd_dme_get(hba,
>> +                  UIC_ARG_MIB(PA_CONNECTEDTXDATALANES), tx_lanes);
>> +}
>> +
>> +static int ufshcd_get_connected_rx_lanes(struct ufs_hba *hba, u32 *rx_lanes)
>> +{
>> +    return ufshcd_dme_get(hba,
>> +                  UIC_ARG_MIB(PA_CONNECTEDRXDATALANES), rx_lanes);
>> +}
> 
> The body of the above two functions is very short. Please remove these
> functions and instead inline these function into their only caller.

Sure Bart, will address this.
> 
>> +static void ufshcd_validate_link_params(struct ufs_hba *hba)
>> +{
>> +    int val = 0;
>> +
>> +    if (ufshcd_get_connected_tx_lanes(hba, &val))
>> +        return;
> 
> Shouldn't it be reported if ufshcd_get_connected_tx_lanes() fails?
> 
>> +    if (ufshcd_get_connected_rx_lanes(hba, &val))
>> +        return;
> 
> Same question here - shouldn't it be reported if
> ufshcd_get_connected_rx_lanes() fails?
> 
> Why does this patch only call dev_err() in case of a mismatch instead of adjusting hba->lanes_per_direction or making initialization fail?

Idea was just to warn and catch the failure scenario. But I agree on your feedback. Will fix it.

> 
> Thanks,
> 
> Bart.


  reply	other threads:[~2026-03-26 16:17 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-11  6:09 [PATCH v1 0/2] Add post change sequence for link start notify palash.kambar
2026-03-11  6:09 ` [PATCH v1 1/2] ufs: core: Configure only active lanes during link palash.kambar
2026-03-11  6:53   ` Shawn Lin
2026-03-23 13:14     ` Palash Kambar
2026-03-23 15:43   ` Bart Van Assche
2026-03-26 16:17     ` Palash Kambar [this message]
2026-03-11  6:09 ` [PATCH v1 2/2] ufs: ufs-qcom: Enable Auto Hibern8 clock request support palash.kambar

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