RE: [EXT] [PATCH v4 6/8] scsi: ufs: Add dev ref clock gating wait time support

[Bean Huo (beanhuo)]

Hi,  Can

> 
> In UFS version 3.0, a newly added attribute bRefClkGatingWaitTime defines the
> minimum time for which the reference clock is required by device during
> transition to LS-MODE or HIBERN8 state. Make this change to reflect the new
> requirement by adding delays before turning off the clock.
> 
> Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>
> ---
>  drivers/scsi/ufs/ufs.h    |  3 +++
>  drivers/scsi/ufs/ufshcd.c | 41
> +++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 44 insertions(+)
> 
> diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index
> 3327981..385bac8 100644
> --- a/drivers/scsi/ufs/ufs.h
> +++ b/drivers/scsi/ufs/ufs.h
> @@ -168,6 +168,7 @@ enum attr_idn {
>  	QUERY_ATTR_IDN_FFU_STATUS		= 0x14,
>  	QUERY_ATTR_IDN_PSA_STATE		= 0x15,
>  	QUERY_ATTR_IDN_PSA_DATA_SIZE		= 0x16,
> +	QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME	= 0x17,
>  };
> 
>  /* Descriptor idn for Query requests */ @@ -530,6 +531,8 @@ struct
> ufs_dev_info {
>  	bool f_power_on_wp_en;
>  	/* Keeps information if any of the LU is power on write protected */
>  	bool is_lu_power_on_wp;
> +	u16 spec_version;
> +	u32 clk_gating_wait_us;
>  };
> 
This one also need rebase

Thanks,

//Bean