[U-Boot] [PATCH v8] usb: align buffers at cacheline

Tom Warren
2012-04-02T15:59:53Z

Marek, Puneet, et al.,

> -----Original Message-----
> From: Marek Vasut [mailto:marex at denx.de]
> Sent: Monday, March 19, 2012 8:47 AM
> To: Tom Warren
> Cc: Puneet Saxena; Mike Frysinger; u-boot at lists.denx.de; sjg at chromium.org;
> linux at bohmer.net; trini at ti.com; albert.u.boot at aribaud.net
> Subject: Re: [PATCH v8] usb: align buffers at cacheline
>
> Dear Tom Warren,
>
> > Marek,
> >
> > > -----Original Message-----
> > > From: Marek Vasut [mailto:marek.vasut at gmail.com]
> > > Sent: Monday, March 19, 2012 7:43 AM
> > > To: Puneet Saxena
> > > Cc: Mike Frysinger; u-boot at lists.denx.de; sjg at chromium.org;
> > > linux at bohmer.net; trini at ti.com; Tom Warren
> > > Subject: Re: [PATCH v8] usb: align buffers at cacheline
> > >
> > > Dear Puneet Saxena,
> > >
> > > > Hi Marek,
> > > > I adapted my patch for git://git.denx.de/u-boot-usb.git master branch.
> > > > As the build for target "Seaboard" is broken once I enable USB in
> > > > Seaboard.h, I am unable to test my changes on "u-boot-usb".
> > >
> > > u-boot-usb is forked off the mainline u-boot.git ... tegra stuff
> > > likely isn't pulled there. Simon, can you tell me when this is gonna be
> there?
> >
> > Simon's USB/fdt patch set will be pulled into -arm first, then -main,
> > when he adapts the 'panic' putc patchset (implement pre-console putc
> > for fdt
> > warning) to meet with Wolfgang's approval. Once that's done (hopefully
> > early this week), I can submit another pull request to finally get
> > this series in.
> >
> > Simon - can we have an ETA?
>
> I'd love to see some ETA on u-boot-arm push from Albert Aribaud :-( Albert,
> how're you doing ?
>
> Thanks!
>

u-boot-tegra/master has the fdt/USB patches, and has been pulled into ARM master.

We need the cacheline/buffer alignment patch now, to remove the volcanic spew whenever you do any USB commands.

Can you guys (Puneet & Marek, and Mike/Simon if necessary) work together to get this in soon?

Thanks,

Tom
> >
> > Tom
> >
> > > > I would have to merge lots of changes from "denx-uboot-tegra" to
> > > > make it working for "u-boot-usb.git" master branch.
> > > > I can send the adapted patch if it's needed.
> > >
> > > The problem I see is that there are important USB patches in
> > > mainline, though they are not in -tegra. So the approach I'd take if
> > > I were you would be to rebase -tegra atop of mainline for yourself
> > > and then apply your patch. Does that work for you?
> > >
> > > > Thanks,
> > > > Puneet
> > >
> > > Thanks!
> > >
> > > Best regards,
> > > Marek Vasut
>
> Best regards,
> Marek Vasut
--
nvpublic