linux-kernel - Re: [PATCH V3 0/4] [SCSI] ufs: Adds glue drivers to ufshcd

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Message-ID: <CANfBPZ-amdTBXMbj0E2SrMHBjHFnd8cuC4ASoygkbXC+5oeAGg@mail.gmail.com>
Date:	Thu, 26 Jul 2012 16:02:58 +0530
From:	"S, Venkatraman" <svenkatr@...com>
To:	Vinayak Holikatti <vinholikatti@...il.com>
Cc:	James.Bottomley@...senpartnership.com, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, patches@...aro.org,
	linux-samsung-soc@...r.kernel.org, arnd@...aro.org,
	girish.shivananjappa@...aro.org, saugata.das@...aro.org,
	vishak.g@...sung.com, venkat@...aro.org, k.rajesh@...sung.com,
	dsaxena@...aro.org, ilho215.lee@...sung.com, nala.la@...sung.com,
	sreekumar.c@...sung.com
Subject: Re: [PATCH V3 0/4] [SCSI] ufs: Adds glue drivers to ufshcd

On Thu, Jul 26, 2012 at 2:12 PM, Vinayak Holikatti
<vinholikatti@...il.com> wrote:
> This patch set adds following features
>  - Seggregate PCI specific code in ufshcd.c
>  - Adds PCI glue driver ufshcd-pci.c and ufshcd.c become core module
>  - Adds Platform glue driver ufshcd-pltfrm.c
>  - Update correct transfer size in Command UPIU
>
> Vinayak Holikatti (4):
>   [SCSI] drivers/scsi/ufs: Seggregate PCI Specific Code
>   [SCSI] drivers/scsi/ufs: Separate PCI code into glue driver
>   [SCSI] ufs: Add Platform glue driver for ufshcd
>   [SCSI] ufs: Correct the expected data transfer size
>
>  drivers/scsi/ufs/Kconfig         |   37 +++-
>  drivers/scsi/ufs/Makefile        |    2 +
>  drivers/scsi/ufs/ufshcd-pci.c    |  228 ++++++++++++++++++++
>  drivers/scsi/ufs/ufshcd-pltfrm.c |  222 ++++++++++++++++++++
>  drivers/scsi/ufs/ufshcd.c        |  422 ++++++--------------------------------
>  drivers/scsi/ufs/ufshcd.h        |  206 +++++++++++++++++++
>  drivers/scsi/ufs/ufshcd_common.h |   53 +++++
>  7 files changed, 813 insertions(+), 357 deletions(-)

Two minor observations..
1) If both pci and platform have to do the exact same thing in their
_suspend() and _resume() routines, perhaps there is scope for making
them as common (the steps outlined in them should be done in core
ufshcd) ?

2) Need to include ufshcd_common.h in ufshcd.c so that the prototypes
are supplied for the exported functions.
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