[PATCH] scsi: ufs: remove the duplicated checking for supporting clkscaling

[PATCH] scsi: ufs: remove the duplicated checking for supporting clkscaling

[Jaehoon Chung]

There are same conditions for checking whether supporting clkscaling or
not.
When ufshcd is supporting clkscaling, active_reqs should be decreased by
two.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
---
 drivers/scsi/ufs/ufshcd.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index dc6efbd..f2cbc71 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4598,8 +4598,6 @@ static void __ufshcd_transfer_req_compl(struct ufs_hba *hba,
 		}
 		if (ufshcd_is_clkscaling_supported(hba))
 			hba->clk_scaling.active_reqs--;
-		if (ufshcd_is_clkscaling_supported(hba))
-			hba->clk_scaling.active_reqs--;
 	}
 
 	/* clear corresponding bits of completed commands */
-- 
2.10.2

Re: [PATCH] scsi: ufs: remove the duplicated checking for supporting clkscaling

[Bartlomiej Zolnierkiewicz]

Hi,

On Tuesday, March 21, 2017 09:19:57 PM Jaehoon Chung wrote:
> There are same conditions for checking whether supporting clkscaling or
> not.
> When ufshcd is supporting clkscaling, active_reqs should be decreased by
> two.

I guess you meant "one" here, not "two"?

> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
> ---
>  drivers/scsi/ufs/ufshcd.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index dc6efbd..f2cbc71 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -4598,8 +4598,6 @@ static void __ufshcd_transfer_req_compl(struct ufs_hba *hba,
>  		}
>  		if (ufshcd_is_clkscaling_supported(hba))
>  			hba->clk_scaling.active_reqs--;
> -		if (ufshcd_is_clkscaling_supported(hba))
> -			hba->clk_scaling.active_reqs--;
>  	}
>  
>  	/* clear corresponding bits of completed commands */

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

Re: [PATCH] scsi: ufs: remove the duplicated checking for supporting clkscaling

[Subhash Jadavani]

On 2017-03-21 05:19, Jaehoon Chung wrote:
> There are same conditions for checking whether supporting clkscaling or
> not.
> When ufshcd is supporting clkscaling, active_reqs should be decreased 
> by
> two.
> 
> Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
> ---
>  drivers/scsi/ufs/ufshcd.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index dc6efbd..f2cbc71 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -4598,8 +4598,6 @@ static void __ufshcd_transfer_req_compl(struct
> ufs_hba *hba,
>  		}
>  		if (ufshcd_is_clkscaling_supported(hba))
>  			hba->clk_scaling.active_reqs--;
> -		if (ufshcd_is_clkscaling_supported(hba))
> -			hba->clk_scaling.active_reqs--;
>  	}
> 
>  	/* clear corresponding bits of completed commands */

Looks good to me.
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>

-- 
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

Re: [PATCH] scsi: ufs: remove the duplicated checking for supporting clkscaling

[Martin K. Petersen]

Jaehoon Chung <jh80.chung@samsung.com> writes:

Jaehoon,

> There are same conditions for checking whether supporting clkscaling
> or not.  When ufshcd is supporting clkscaling, active_reqs should be
> decreased by two.

Applied to 4.11/scsi-fixes.

Thank you!

-- 
Martin K. Petersen	Oracle Linux Engineering