Re: [BUILD BREAK] usb: gadget: fsl_mxc_udc can't compile on current v3.8-rc3

[Felipe Balbi <balbi@ti.com>]

[-- Attachment #1: Type: text/plain, Size: 2281 bytes --]

Hi,

On Fri, Jan 11, 2013 at 09:24:16AM +0000, Li Yang-R58472 wrote:
> 
> 
> > -----Original Message-----
> > From: Felipe Balbi [mailto:balbi@ti.com]
> > Sent: Friday, January 11, 2013 4:41 PM
> > To: Chen Peter-B29397
> > Cc: balbi@ti.com; kernel@pengutronix.de; Li Yang-R58472; Greg KH; linux-
> > usb@vger.kernel.org; linuxppc-dev@lists.ozlabs.org
> > Subject: Re: [BUILD BREAK] usb: gadget: fsl_mxc_udc can't compile on
> > current v3.8-rc3
> > 
> > Hi,
> > 
> > On Fri, Jan 11, 2013 at 08:35:29AM +0000, Chen Peter-B29397 wrote:
> > > > > I am working on it, but there are two versions, this one and
> > chipidea's.
> > > > >
> > > > > Anyway, I will send a patch to fix this problem.
> > > >
> > > > if you're already using chipidea, then send me a patch removing this
> > > > driver and focus your effort on chipidea.
> > > >
> > > Added Sascha
> > >
> > > Now, not all of FSL i.mx USB can move to use chipidea due to some
> > > platform and USB PHY problem.
> > 
> > then we need to target fixing those problems and moving to chipidea
> > completely at some point. There's no reason to duplicate efforts if we
> > already have a re-usable driver in tree, right ?
> > 
> > Let's fix this build break and focus on making sure all i.MX platforms
> > can use chipidea so we can drop fsl udc on next merge window. That would
> > be a great patchset to see.
> 
> I do agree that we need move to use the chipidea driver and eventually
> remove the fsl udc driver, but there were many users of the current
> driver such as PowerPC and Coldfire platforms besides the i.MX
> platforms.  The support for them with chipidea driver could also be
> broken for now.  I would suggest to have a transitional period that
> both drivers are kept while new development be based on the new
> driver.

right, right. That can be done as long as 'transitional period' isn't 20
years. At least make a plan to remove fsl udc, if it doesn't happen in
the next 4 merge windows, I will remove it myself to force people to
reuse other drivers. There is no reason to keep both drivers around.

> Added Ramneek.  What do you think of the current status for chipidea
> driver on PowerPC platforms?

that would be great to know, indeed.

-- 
balbi

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 836 bytes --]