linux-kernel - Re: [PATCH v2 1/3] scsi: ufs: core: Add ufshcd_is_ufs_dev

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Date:   Wed, 22 Nov 2023 09:43:19 -0800
From:   Bart Van Assche <bvanassche@....org>
To:     Bean Huo <beanhuo@...pp.de>, avri.altman@....com,
        alim.akhtar@...sung.com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, mani@...nel.org, quic_cang@...cinc.com,
        quic_asutoshd@...cinc.com, beanhuo@...ron.com, thomas@...ch.de
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        mikebi@...ron.com, lporzio@...ron.com
Subject: Re: [PATCH v2 1/3] scsi: ufs: core: Add ufshcd_is_ufs_dev_busy()

On 11/22/23 09:25, Bean Huo wrote:
> --- a/include/ufs/ufshcd.h
> +++ b/include/ufs/ufshcd.h
> @@ -126,7 +126,6 @@ enum uic_link_state {
>   	((h)->curr_dev_pwr_mode == UFS_POWERDOWN_PWR_MODE)
>   #define ufshcd_is_ufs_dev_deepsleep(h) \
>   	((h)->curr_dev_pwr_mode == UFS_DEEPSLEEP_PWR_MODE)
> -
>   /*
>    * UFS Power management levels.
>    * Each level is in increasing order of power savings, except DeepSleep
> @@ -1408,6 +1407,13 @@ static inline int ufshcd_vops_phy_initialization(struct ufs_hba *hba)
>   	return 0;
>   }
>   
> +static inline bool ufshcd_is_ufs_dev_busy(struct ufs_hba *hba)
> +{
> +	return (hba->clk_gating.active_reqs || hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL ||
> +		hba->outstanding_reqs || hba->outstanding_tasks || hba->active_uic_cmd ||
> +		hba->uic_async_done);
> +}

Since the above function is only used in drivers/ufs/core/ufshcd.c,
please move it back to that source file. The public header file
include/ufs/ufshcd.h is for definitions and declarations used by both
the UFS driver core and the UFS driver host files.

Thanks,

Bart.