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SubjectRe: [PATCH 12/15] USB: gadget/freescale: disable non-multiplatform drivers
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.

thanks,

greg k-h


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