linux-kernel - Re: [PATCH 0/4] Dove pinctrl fixes and DT enabling

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Message-ID: <20121123141352.GK15800@titan.lakedaemon.net>
Date:	Fri, 23 Nov 2012 09:13:52 -0500
From:	Jason Cooper <jason@...edaemon.net>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Andrew Lunn <andrew@...n.ch>, Axel Lin <axel.lin@...ics.com>,
	linux-kernel@...r.kernel.org,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Subject: Re: [PATCH 0/4] Dove pinctrl fixes and DT enabling

On Fri, Nov 23, 2012 at 08:49:04AM +0100, Linus Walleij wrote:
> On Wed, Nov 21, 2012 at 4:52 PM, Jason Cooper <jason@...edaemon.net> wrote:
> > On Wed, Nov 21, 2012 at 03:45:42PM +0100, Linus Walleij wrote:
> 
> >> So what I mean is that the patches creating pinctrl/mvebu is in the
> >> pinctrl tree, so if patches in the MVEBU tree depend on these,
> >> then it must have pulled in a branch from pinctrl or applied the
> >> same patches in that tree too (which is OK *sometimes*).
> >
> > Yes, Thomas and Gregory informed me of the pinctrl dependency and said
> > they were using for-next from the pinctrl tree.  I've used that branch
> > to merge and build successfully.  Is that ok in practice or is there a
> > more specific branch I should pull in as a dependency?
> 
> Do not use for-next. That is a mix-down for the linux-next tree.

Ok, I wasn't comfortable with that.  Thanks for the explaination.

> It is basically created like this:
> 
> git checkout for-next
> git reset --hard fixes
> git merge devel
> 
> fixes will be based on the latest release candidate and devel on
> something older like -rc1, -rc2.
> 
> If you pull something in it must be from the devel branch.

ok.

> The ebst idea is to take the last commit in the devel branch
> that you need, so the last mvebu commit in that branch.
> This is what the ARM SoC guys usually does.
> 
> So: git pull <pinctrl tree> devel
> git log ...
> <find the commit you need e.g 10930572>
> git checkout -b my-new-mvebu-stuff 10930572
> 
> So you branch off where you have the deps you
> need.

That makes sense.  I also need:

gpiolib: fix bug and clarify OF use of ranges

I'll let you know if I run into any trouble.

thx,

Jason.
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