Re: [PATCH v12 6/9] dmtimer: switch-over to platform device driver

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* G, Manjunath Kondaiah <manjugk@xxxxxx> [110311 04:45]:
> On Fri, Mar 11, 2011 at 11:05:25AM +0530, DebBarma, Tarun Kanti wrote:
> > [...]
> > > > >
> > > > > * Tarun Kanti DebBarma <tarun.kanti@xxxxxx> [110308 15:41]:
> > > > > > switch-over to platform device driver through following changes:
> > > > > > (a) initiate dmtimer early initialization from omap2_gp_timer_init()
> > > > > > in timer-gp.c. This is equivalent of timer_init()->timer->init().
> > > > > > (b) modify plat-omap/dmtimer routines to use new register map and
> > > > > > platform data.
> > > > >
> > > > > This patch breaks booting for 2420 and makes boot hang early
> > > > > on 2430. Note that to test with omap-for-linus branch you need
> > > > > to disable the following in omap2plus_defconfig:
> > > > >
> > > > > CONFIG_ARCH_OMAP3
> > > > > CONFIG_ARCH_OMAP4
> > > > > CONFIG_CPU_32v6K
> > > > I disabled above options on omap-for-linus *WITHOUT* my patch series.
> > > > I am still seeing crash. Here is the log.
> > > > I tried on two different setups. Not sure if I am missing something.
> > > 
> > > Hmm sounds like H4 needs some attention. Can you try the following
> > > completely untested patch?
> > 
> > This works fine!
> 
> I tried to use below patch for booting  OMAP2420 H4 on top of:
> git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git
> Branch: omap-for-linus
> commit 94a06b74e724caabcf0464c81527cfbcae0c8aff
> Merge: 0dde52a 9062511
> Author: Tony Lindgren <tony@xxxxxxxxxxx>
> Merge branch 'for_2.6.39/pm-misc' of
> ssh://master.kernel.org/pub/scm/linux/kernel/git/khilman/linux-omap-pm
> into omap-for-linus
> 
> Looks like it stops after uncompressing kernel. Same setup works fine
> with tag v2.6.37.

See the mails earlier in this thread on what you currently need to
disable in .config in omap-for-linus branch to boot omap2 machines.
This will get sorted out in mainline when Russell's ARMv6K related
patches get merged during the merge window.

Tony
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