Re: [PATCH] usb: bdc: Remove the BDC PCI driver

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On Mon, Jan 18, 2021 at 01:54:16PM +0100, Patrik Jakobsson wrote:
> On Mon, Jan 18, 2021 at 1:22 PM Felipe Balbi <balbi@xxxxxxxxxx> wrote:
> >
> >
> > Hi,
> >
> > Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> writes:
> > >> Al Cooper <alcooperx@xxxxxxxxx> writes:
> > >> > The BDC PCI driver was only used for design verification with
> > >> > an PCI/FPGA board. The board no longer exists and is not in use
> > >> > anywhere. All instances of this core now exist as a memory mapped
> > >> > device on the platform bus.
> > >> >
> > >> > NOTE: This only removes the PCI driver and does not remove the
> > >> > platform driver.
> > >> >
> > >> > Signed-off-by: Al Cooper <alcooperx@xxxxxxxxx>
> > >>
> > >> It sounds like it could be used for pre-silicon verification of newer
> > >> Core Releases, much like Synopsys still uses the HAPS (with mainline
> > >> linux, mind you) for silicon validation.
> > >>
> > >> Why would we delete this small shim if it *could* still be useful?
> > >
> > > It ends up conflicting with the PCI id of a device that is actually in
> > > the wild (a camera on Apple laptops).  So it's good to drop this driver
> > > so the wrong driver doesn't get constantly bound to the wrong device.
> >
> > I see. Oh well...
> 
> It would also help if this got disabled in stable so existing kernels
> stop loading bdc.
> 
> Can this patch go directly into stable or should I send a patch that
> adds "depends on BROKEN"?

A patch for that, that I can take now for 5.11-final and backport to
stable kernels would be fine.

thanks,

greg k-h



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