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Date:	Tue, 27 Mar 2012 09:31:37 +0530
From:	Santosh Y <santoshsy@...il.com>
To:	KOBAYASHI Yoshitake <yoshitake.kobayashi@...hiba.co.jp>
Cc:	James Bottomley <James.Bottomley@...senpartnership.com>,
	linux-scsi@...r.kernel.org, patches@...aro.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	arnd.bergmann@...aro.org, saugata.das@...aro.org,
	dsaxena@...aro.org, stephen.doel@...aro.org, venkat@...aro.org,
	ilho215.lee@...sung.com, nala.la@...sung.com,
	girish.shivananjappa@...aro.org, vishak.g@...sung.com,
	k.rajesh@...sung.com, yejin.moon@...sung.com,
	sreekumar.c@...sung.com, vinholikatti@...il.com,
	linkinjeon@...il.com, michaelc@...wisc.edu
Subject: Re: [PATCH v3 1/5] [SCSI] ufshcd: UFS Host controller driver

On Mon, Mar 26, 2012 at 10:02 AM, KOBAYASHI Yoshitake
<yoshitake.kobayashi@...hiba.co.jp> wrote:
>> > +        utrdlp[i].response_upiu_length =
>> > +                cpu_to_le16(ALIGNED_UPIU_SIZE);
>
>
> Response UPIU Length(RUL) shows the response UPIU length in Dword.
> (JEDEC Standard No.223 6.2.1 UTP Transfer Request Descriptor)
> The following will be correct.
>
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
> index 07ec973..feffe65 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -836,7 +836,7 @@ static void ufshcd_host_memory_configure(struct ufs_hba
> *hba)
>                utrdlp[i].prd_table_offset =
>                                cpu_to_le16((prdt_offset >> 2));
>                utrdlp[i].response_upiu_length =
> -                               cpu_to_le16(ALIGNED_UPIU_SIZE);
> +                               cpu_to_le16(ALIGNED_UPIU_SIZE >> 2);
>
>
>                hba->lrb[i].utr_descriptor_ptr = (utrdlp + i);
>                hba->lrb[i].ucd_cmd_ptr =
>

Thanks, i'll update it.

-- 
~Santosh
--
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