[PATCH v4 0/5] usb: phy: samsung: Introducing usb phy driver for samsung SoCs

Praveen Paneri p.paneri at samsung.com
Fri Aug 10 03:34:48 EDT 2012


On Fri, Aug 10, 2012 at 12:36 PM, Felipe Balbi <balbi at ti.com> wrote:
> On Fri, Aug 10, 2012 at 12:40:26PM +0530, Praveen Paneri wrote:
>> Changes from v3:
>> Replaced susbsys_initcall()/module_exit() by module_platform_driver().
>> Accordingly in the hsotg driver returned -EPROBE_DEFER until phy driver
>> is registered
>> Removed unnecessary devm_usb_put_phy() call from the hsotg driver remove.
>>
>> Changes from v2:
>> Changed the driver filenames to samsung-usbphy
>> Changed 's3c' to 'samsung' for platform device as well as platform data
>> Moved platform data structure to a separate file
>> Rectified coding style related errors
>>
>> Changes from v1:
>> Rebased patches to latest usb-next branch
>> Changed the name 'sec_usbphy' to 'samsung_usbphy'
>>
>> This patch set introduces a phy driver for samsung SoCs. It uses the existing
>> transceiver infrastructure to provide phy control functions. Use of this driver
>> can be extended for usb host phy as well. Over the period of time all the phy
>> related code for most of the samsung SoCs can be integrated here.
>> Removing the existing phy code from mach-s3c64xx. Same can be done for other SoCs
>> when they start supporting this phy driver.
>> This driver is tested with smdk6410 and Exynos4210(with DT).
>>
>> Praveen Paneri (5):
>>   usb: phy: samsung: Introducing usb phy driver for hsotg
>>   usb: s3c-hsotg: Adding phy driver support
>>   ARM: S3C64XX: Removing old phy setup code
>>   ARM: S3C64XX: Enabling samsung-usbphy driver
>>   ARM: Exynos4210: Enabling samsung-usbphy driver
>
> just one idea. It looks like after introducing the PHY, you converted
> all users to create the phy device. I wonder if you should have a
Not all
> patch 6/6 which will remove pdata->init support from s3c_hsotg.c and
> stick to using phy driver.
This will make the hsotg driver unusable for others (in mach-s5pv210
and mach-exynos) which are not supported in the phy driver as of now.
My idea was to drop the pdata->init when the last user gets the phy
support. Need some time for that :-)

Praveen
>
> --
> balbi



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