Re: [PATCH v3 1/4] usb: otg: Add ulpi viewport access ops

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On Thu, Feb 17, 2011 at 2:31 PM, Greg KH <gregkh@xxxxxxx> wrote:
> On Thu, Feb 17, 2011 at 02:15:01PM -0800, Benoit Goby wrote:
>> diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
>> index 9ffc823..02952c4 100644
>> --- a/drivers/usb/otg/Kconfig
>> +++ b/drivers/usb/otg/Kconfig
>> @@ -49,6 +49,13 @@ config USB_ULPI
>>         Enable this to support ULPI connected USB OTG transceivers which
>>         are likely found on embedded boards.
>>
>> +config USB_ULPI_VIEWPORT
>> +     bool "ULPI Viewport Access Operations"
>> +     depends on USB_ULPI
>> +     help
>> +       Provides read/write operations to the ULPI phy register set for
>> +       controllers with a viewport register (e.g. Chipidea/ARC controllers).
>
> Why would this be a Kconfig option?  Why not just always have this
> option enabled if USB_ULPI is enabled?  How will someone know to enable
> this or not?
>

This is not part of the ulpi spec. You may have a ulpi phy but have a
controller that does not have a viewport register. I will remove the
Kconfig option. Drivers that depend on it should select it, it does
not need to be user configurable.

Thanks,
Benoit
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