Re: [PATCH v2] scsi: ufs: Give clk scaling min gear a value

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On Wed 27 Jan 20:49 CST 2021, Can Guo wrote:

> The initialization of clk_scaling.min_gear was removed by mistake. This
> change adds it back, otherwise clock scaling down would fail.
> 

Thanks for the patch Can, it solves the problem I'm seeing!

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Tested-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>


And perhaps a:

Reported-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> Fixes: 4543d9d78227 ("scsi: ufs: Refactor ufshcd_init/exit_clk_scaling/gating()")
> 
> Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>
> ---
>  drivers/scsi/ufs/ufshcd.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 36bcbb3..8ef6796 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -1602,6 +1602,9 @@ static void ufshcd_init_clk_scaling(struct ufs_hba *hba)
>  	if (!ufshcd_is_clkscaling_supported(hba))
>  		return;
>  
> +	if (!hba->clk_scaling.min_gear)
> +		hba->clk_scaling.min_gear = UFS_HS_G1;
> +
>  	INIT_WORK(&hba->clk_scaling.suspend_work,
>  		  ufshcd_clk_scaling_suspend_work);
>  	INIT_WORK(&hba->clk_scaling.resume_work,
> -- 
> Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
> 



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