Re: [PATCHv5 4/4] usb: gadget: get rid ofUSB_GADGET_{DUAL,SUPER}SPEED

From: Felipe Balbi
Date: Mon Oct 10 2011 - 02:02:49 EST


On Fri, Aug 26, 2011 at 03:18:37PM +0200, Michal Nazarewicz wrote:
> From: Michal Nazarewicz <mina86@xxxxxxxxxx>
>
> This commit removes USB_GADGET_DUALSPEED and USB_GADGET_SUPERSPEED
> Kconfig options. Since now kernel allows many UDC drivers to be
> compiled, those options may turn to no longer be valid. For
> instance, if someone decides to build UDC that supports super
> speed and UDC that supports high speed only, the latter will be
> "assumed" to support super speed since USB_GADGET_SUPERSPEED will
> be selected by the former.
>
> The test of whether CONFIG_USB_GADGET_*SPEED was defined was just
> an optimisation which removed otherwise dead code (ie. if UDC is
> not dual speed, there is no need to handle cases that can happen
> if speed is high). This commit removes those checks.

and here.

--
balbi

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