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From: Bart Van Assche <bvanassche@acm.org>
To: Nitin Rawat <quic_nitirawa@quicinc.com>,
	mani@kernel.org, James.Bottomley@HansenPartnership.com,
	martin.petersen@oracle.com, avri.altman@wdc.com,
	ebiggers@google.com, neil.armstrong@linaro.org,
	konrad.dybcio@oss.qualcomm.com
Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-scsi@vger.kernel.org
Subject: Re: [PATCH V2 2/3] scsi: ufs: core: Add ufshcd_dme_rmw to modify DME attributes
Date: Mon, 7 Jul 2025 14:09:30 -0700	[thread overview]
Message-ID: <39018410-4208-4ab6-bf74-7dbd32bdd10a@acm.org> (raw)
In-Reply-To: <20250707210300.561-3-quic_nitirawa@quicinc.com>

On 7/7/25 2:02 PM, Nitin Rawat wrote:
> +/**
> + * ufshcd_dme_rmw - get modify set a dme attribute
> + * @hba - per adapter instance
> + * @mask - mask to apply on read value
> + * @val - actual value to write
> + * @attr - dme attribute
> + */
> +static inline int ufshcd_dme_rmw(struct ufs_hba *hba, u32 mask,
> +				 u32 val, u32 attr)
> +{
> +	u32 cfg = 0;
> +	int err = 0;

I don't think that it is necessary to zero-initialize 'err' because the
next statement overwrites the value of 'err'.

> +
> +	err = ufshcd_dme_get(hba, UIC_ARG_MIB(attr), &cfg);
> +	if (err)
> +		goto out;
> +
> +	cfg &= ~mask;
> +	cfg |= (val & mask);
> +
> +	err = ufshcd_dme_set(hba, UIC_ARG_MIB(attr), cfg);
> +
> +out:
> +	return err;
> +}
Since this code is not performance-critical, please move the function
definition into source file ufshcd.c.

Thanks,

Bart.

  reply	other threads:[~2025-07-07 21:09 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-07 21:02 [PATCH V2 0/3] scsi: ufs: qcom: Align programming sequence as per HW spec Nitin Rawat
2025-07-07 21:02 ` [PATCH V2 1/3] scsi: ufs: ufs-qcom: Update esi_vec_mask for HW major version >= 6 Nitin Rawat
2025-07-08  7:51   ` Manivannan Sadhasivam
2025-07-08  7:53   ` Manivannan Sadhasivam
2025-07-08 16:18     ` Bart Van Assche
2025-07-14 17:25       ` Martin K. Petersen
2025-07-14 17:28         ` Bart Van Assche
2025-07-14 17:35           ` Martin K. Petersen
2025-07-07 21:02 ` [PATCH V2 2/3] scsi: ufs: core: Add ufshcd_dme_rmw to modify DME attributes Nitin Rawat
2025-07-07 21:09   ` Bart Van Assche [this message]
2025-07-08  7:59   ` Manivannan Sadhasivam
2025-07-07 21:03 ` [PATCH V2 3/3] scsi: ufs: qcom: Enable QUnipro Internal Clock Gating Nitin Rawat
2025-07-08  8:03   ` Manivannan Sadhasivam

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