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

From: S, Venkatraman
Date: Thu Jul 26 2012 - 07:35:20 EST


On Thu, Jul 26, 2012 at 4:42 PM, vinayak holikatti
<vinholikatti@xxxxxxxxx> wrote:
> On Thu, Jul 26, 2012 at 4:02 PM, S, Venkatraman <svenkatr@xxxxxx> wrote:
>> On Thu, Jul 26, 2012 at 2:12 PM, Vinayak Holikatti
>> <vinholikatti@xxxxxxxxx> 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) ?
> Both will not have to do the exact same thing. We have plan to implement
> ufshcd_suspend and ufshcd_resume which will be generic and will be part
> of ufshcd core, as you said.

Thanks. The comments in the driver files don't reflect this; it'd be
wise to create
the placeholder for core_suspend()/resume() in ufshcd.c, instead of
the platform drivers.

>>
>> 2) Need to include ufshcd_common.h in ufshcd.c so that the prototypes
>> are supplied for the exported functions.
> Thank you, I will make necessary changes in next version of patches.
>
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