On Thursday 28 August 2008, Arnd Bergmann wrote:
> If the gadget hardware drivers were registering the device with a
> gadget_bus_type, you could still enforce the "only one protocol"
> rule by binding every protocol to every device in that bus type.
And you'd have to rewrite all the gadget driver
On Thursday 28 August 2008, Arnd Bergmann wrote:
> > +/*-
> > + Gadget driver register and unregister.
> > +
> > --*/
> > +int usb_gadget_register_dri
On Tue, 2008-09-02 at 15:35 +0800, Li Yang wrote:
> On Tue, Sep 2, 2008 at 1:11 AM, Anton Vorontsov
> <[EMAIL PROTECTED]> wrote:
> > On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
> >> Some of Freescale SoC chips have a QE or CPM co-processor which
> >> supports full speed USB. The drive
On Tue, Sep 2, 2008 at 1:11 AM, Anton Vorontsov
<[EMAIL PROTECTED]> wrote:
> On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
>> Some of Freescale SoC chips have a QE or CPM co-processor which
>> supports full speed USB. The driver adds device mode support
>> of both QE and CPM USB control
On Mon, Sep 1, 2008 at 9:52 PM, Anton Vorontsov
<[EMAIL PROTECTED]> wrote:
> On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
>> Some of Freescale SoC chips have a QE or CPM co-processor which
>> supports full speed USB. The driver adds device mode support
>> of both QE and CPM USB control
On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
> Some of Freescale SoC chips have a QE or CPM co-processor which
> supports full speed USB. The driver adds device mode support
> of both QE and CPM USB controller to Linux USB gadget. The
> driver is tested with MPC8360 and MPC8272, and s
On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
> Some of Freescale SoC chips have a QE or CPM co-processor which
> supports full speed USB. The driver adds device mode support
> of both QE and CPM USB controller to Linux USB gadget. The
> driver is tested with MPC8360 and MPC8272, and s
On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
> Some of Freescale SoC chips have a QE or CPM co-processor which
> supports full speed USB. The driver adds device mode support
> of both QE and CPM USB controller to Linux USB gadget. The
> driver is tested with MPC8360 and MPC8272, and s
On Fri, 29 Aug 2008, Arnd Bergmann wrote:
> On Friday 29 August 2008, Alan Stern wrote:
> > I thought you _were_ arguing against that. Unless I misunderstood,
> > your original complaint was that since each peripheral controller
> > driver defines usb_gadget_{un}register_driver, there can be only
On Friday 29 August 2008, Alan Stern wrote:
> I thought you _were_ arguing against that. Unless I misunderstood,
> your original complaint was that since each peripheral controller
> driver defines usb_gadget_{un}register_driver, there can be only one
> controller driver loaded at a time.
That's
On Fri, 29 Aug 2008, Arnd Bergmann wrote:
> On Friday 29 August 2008, Alan Stern wrote:
> > > The standard requires that there can only be one protocol handler
> > > per physical interface, which is a reasonable limitation.
> >
> > No, you've got it exactly backward. There can be multiple protoc
On Friday 29 August 2008, Alan Stern wrote:
> > The standard requires that there can only be one protocol handler
> > per physical interface, which is a reasonable limitation.
>
> No, you've got it exactly backward. There can be multiple protocol
> handlers per physical interface, but there must
On Fri, 29 Aug 2008, Arnd Bergmann wrote:
> > > Does building a kernel image that can run on different hardware without
> > > rebuilding also violate the "relevant standards"?
> >
> > No. That isn't what Arnd was concerned about. He noted that even if
> > you did build multiple modules, only
On Thu, 2008-08-28 at 11:39 -0500, Scott Wood wrote:
> On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
> > +config USB_GADGET_FSL_QE
> > + boolean "Freescale QE/CPM USB Device Controller"
> > + depends on FSL_SOC && (QUICC_ENGINE || CPM)
> > + help
> > + Some of Freescale PowerP
On Friday 29 August 2008, Li Yang wrote:
>
> > Not a problem, but an observation: Most new code uses work queues instead
> > of tasklets these days, which gives you more predictable real time
> > latencies.
> > If you don't have a specific reason to prefer a tasklet, just use
> > a workqueue here.
On Thu, 2008-08-28 at 17:04 +0200, Arnd Bergmann wrote:
> On Thursday 28 August 2008, Li Yang wrote:
> > Some of Freescale SoC chips have a QE or CPM co-processor which
> > supports full speed USB. The driver adds device mode support
> > of both QE and CPM USB controller to Linux USB gadget. The
Alan Stern wrote:
This was done deliberately. The relevant standards state that a USB
device can have no more than one peripheral interface.
Does building a kernel image that can run on different hardware without
rebuilding also violate the "relevant standards"?
And who's to say that there
On Thursday 28 August 2008, Alan Stern wrote:
> On Thu, 28 Aug 2008, Scott Wood wrote:
>
> > Alan Stern wrote:
> > > This was done deliberately. The relevant standards state that a USB
> > > device can have no more than one peripheral interface.
> >
> > Does building a kernel image that can run
On Thu, 28 Aug 2008, Scott Wood wrote:
> Alan Stern wrote:
> > This was done deliberately. The relevant standards state that a USB
> > device can have no more than one peripheral interface.
>
> Does building a kernel image that can run on different hardware without
> rebuilding also violate the
On Thu, 28 Aug 2008, Arnd Bergmann wrote:
> Not addressing this driver in particular, but the USB gadget layer in
> general: This is a horrible interface, since every gadget driver exports
> the same symbols, you can never build a kernel that includes more than
> one gadget driver. Even if the dri
On Thu, Aug 28, 2008 at 05:43:33PM +0800, Li Yang wrote:
> +config USB_GADGET_FSL_QE
> + boolean "Freescale QE/CPM USB Device Controller"
> + depends on FSL_SOC && (QUICC_ENGINE || CPM)
> + help
> +Some of Freescale PowerPC processors have a Full Speed
> +QE/CPM2 USB con
On Thursday 28 August 2008, Li Yang wrote:
> Some of Freescale SoC chips have a QE or CPM co-processor which
> supports full speed USB. The driver adds device mode support
> of both QE and CPM USB controller to Linux USB gadget. The
> driver is tested with MPC8360 and MPC8272, and should work wit
On Wed, Aug 06, 2008 at 03:16:40PM +0800, Li Yang wrote:
> Some of Freescale SoC chips have a QE or CPM co-processor which
> supports full speed USB. The driver adds device mode support
> of both QE and CPM USB controller to Linux USB gadget. The
> driver is tested with MPC8360 and MPC8272, and s
On Wed, Aug 6, 2008 at 2:16 AM, Li Yang <[EMAIL PROTECTED]> wrote:
> +/*-
> + * Mask definitions for usb BD *
> + **/
> +#de
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