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SubjectRe: [PATCH 12/15] USB: gadget/freescale: disable non-multiplatform drivers
On Tue, Feb 05, 2013 at 05:55:11PM -0800, Greg Kroah-Hartman wrote:
> On Tue, Feb 05, 2013 at 10:54:00PM +0000, Arnd Bergmann wrote:
> > On Tuesday 05 February 2013, Felipe Balbi wrote:
> > > [linus/master] Merge branch 'fix-max-write' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm
> > >
> > > It's building find for me:
> > >
> > > $ crossmake drivers/usb/gadget/fsl_udc_core.o \
> > > drivers/usb/gadget/fsl_mxc_udc.o > /dev/null
> > >
> > > (crossmake is an alias to make ARCH=arm)
> > >
> > > Arnd, are you maybe missing a merge of v3.8-rc6 ?
> > >
> > > I can see that imx_udc.c is broken still, but there are no maintainers
> > > for that driver. I'm adding Sascha to Cc list, maybe he knows someone
> > > who can help, but if this driver isn't fixed in 2 merge windows, I will
> > > schedule for removal from tree and someone else will have to
> > > re-introduce it later without all the bogus includes.
> >
> > Ah, I see what happened now: I submitted a patch that lumped together
> > two patches, disabling both fsl_mxc_udc and imx_udc. You already had
> > a fix for the first one, so I dropped my patch, but now I see the
> > build error for the second one that my patch was avoiding.
> >
> > The last patch to imx_udc that seems to have seen more than just
> > build testing was probably "USB: gadget: imx_udc: don't queue more
> > data when zlp is to be sent", while fsl_mxc_udc looks actively
> > maintained. It's not completely clear to me whether these
> > are actually two drivers for the same hardware, of whether
> > imx_udc is the i.mx1 variant and fsl_mxc_udc is the i.mx2 variant.
> >
> > What I can say is that no platform in the kernel currently defines
> > an "imx_udc" platform_device, so it is certainly unused, and has
> > been since at least e08300043e in 2010.
> >
> > I would suggest that we mark the imx_udc driver as 'depends on
> > BROKEN' right away, since no in-tree user needs it, and any
> > out of tree user is already broken in 3.8. I also wouldn't
> > mind removing the driver unless the imx maintainers have
> > a plan for it.
>
> Sure, someone just send me a patch for that and I'll be glad to mark it
> BROKEN.

coming in a minute

--
balbi
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