[PATCH v2 05/12] usb: chipidea: add imx driver binding

[Felipe Balbi]

On Wed, May 23, 2012 at 04:02:21PM +0300, Alexander Shishkin wrote:
> Richard Zhao <linuxzsc at gmail.com> writes:
> 
> > On Tue, May 22, 2012 at 01:41:30PM +0300, Alexander Shishkin wrote:
> >> Felipe Balbi <balbi at ti.com> writes:
> >> 
> >> > On Tue, May 22, 2012 at 06:31:40PM +0800, Richard Zhao wrote:
> >> >> On Tue, May 22, 2012 at 01:06:26PM +0300, Felipe Balbi wrote:
> >> >> > Hi,
> >> >> > 
> >> >> > On Tue, May 22, 2012 at 12:56:52PM +0300, Alexander Shishkin wrote:
> >> >> > > > Do you think it's a good idea to let user select binding driver directly
> >> >> > > > and the binding driver config depends on chipidea config?
> >> >> > > 
> >> >> > > I don't have a strong opinion on this, although I prefer it the way it
> >> >> > > is now, because, imo:
> >> >> > > 
> >> >> > >   * in case of =m (and that's the only sane way of compiling it anyway),
> >> >> > >     these all are compiled as modules, which you simply don't install if
> >> >> > >     you don't want them;
> >> >> > >   * all of them get compile-tested every time you change something in
> >> >> > >     the driver, which is a good thing;
> >> >> > 
> >> >> > only true for $(ARCH) builds. I would like to see these drivers being
> >> >> > compile tested on linux-next on all arches. Thus the patches I just
> >> >> > sent.
> >> >> The idea is great. But
> >> >> - how can I make sure it pass for all arch? There' 27 folder in arch/.
> >> >> - it's hard to predict one driver depends on what.
> >> >> - for embedded kernel, people like built-in drivers, and people will
> >> >>   have things they don't need at all.
> >> >
> >> > that's true to some extent, but until we know for sure that all of that
> >> > is compiling fine and all dependencies are properly handled, I wouldn't
> >> > like to see Kconfig or Makefile being abused. That has happened before
> >> > and will happen again if we allow it.
> >> >
> >> > My suggestion to Alex is to remove all dependencies for at least a
> >> > couple of merge windows and only add dependencies for stuff which
> >> > actually matters; like only building the PCI glue layer when CONFIG_PCI
> >> > is defined instead of when ARCH_X86 is defined and so on.
> >> 
> >> That's what I mean to do as well. I wouldn't dream of making something
> >> like this x86 specific. :)
> > Alex, Have you made the decision that remove all dependencies and leave
> > only ones that has to be there? If yes, I'll try the way, though I don't
> > feel good about that.
> 
> Yes, I like Felipe's suggestion. Currently (with Felipe's patches from
> yesterday), there is only one dependency (PCI for ci13xxx_pci, which is
> ok). So let's try to keep it that way.
> 
> I'll push the patches to my tree on github [1] soon, which I propose to
> use for all chipidea-related patches.
> 
> [1] git://github.com/virtuoso/linux-ci.git

you should add it to MAINTAINERS file.

T: git git://github.com/virtuoso/linux-ci.git

-- 
balbi
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