From: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
To: Santosh Y <santoshsy@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-scsi@vger.kernel.org, patches@linaro.org,
linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
arnd.bergmann@linaro.org, saugata.das@linaro.org,
dsaxena@linaro.org, stephen.doel@linaro.org, venkat@linaro.org,
ilho215.lee@samsung.com, nala.la@samsung.com,
girish.shivananjappa@linaro.org, vishak.g@samsung.com,
k.rajesh@samsung.com, yejin.moon@samsung.com,
sreekumar.c@samsung.com, vinholikatti@gmail.com,
linkinjeon@gmail.com, michaelc@cs.wisc.edu
Subject: Re: [PATCH v3 1/5] [SCSI] ufshcd: UFS Host controller driver
Date: Mon, 26 Mar 2012 13:32:57 +0900 [thread overview]
Message-ID: <4F6FF179.5090600@toshiba.co.jp> (raw)
In-Reply-To: <1330497714-26504-2-git-send-email-santoshsy@gmail.com>
> > + 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 =
next prev parent reply other threads:[~2012-03-26 5:22 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-29 6:41 [PATCH v3 0/5] [SCSI] ufshcd: UFS Host Controller Driver Santosh Y
2012-02-29 6:41 ` [PATCH v3 1/5] [SCSI] ufshcd: UFS Host controller driver Santosh Y
2012-03-26 4:32 ` KOBAYASHI Yoshitake [this message]
2012-03-27 4:01 ` Santosh Y
2012-02-29 6:41 ` [PATCH v3 2/5] [SCSI] ufshcd: UFS UTP Transfer requests handling Santosh Y
2012-03-26 4:34 ` KOBAYASHI Yoshitake
2012-03-27 4:03 ` Santosh Y
2012-03-27 5:52 ` Santosh Y
2012-03-29 1:40 ` KOBAYASHI Yoshitake
2012-04-10 11:08 ` Venkatraman S
2012-02-29 6:41 ` [PATCH v3 3/5] [SCSI] ufshcd: UFSHCI error handling Santosh Y
2012-02-29 6:41 ` [PATCH v3 4/5] [SCSI] ufshcd: SCSI " Santosh Y
2012-02-29 6:41 ` [PATCH v3 5/5] Documentation: UFS Host Controller Driver Santosh Y
2012-03-22 13:51 ` [PATCH v3 0/5] [SCSI] ufshcd: " James Bottomley
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