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From: tony@atomide•com (Tony Lindgren)
To: linux-arm-kernel@lists•infradead.org
Subject: [BISECTED] 3.10-rc1 OMAP1 GPIO IRQ regression
Date: Mon, 24 Jun 2013 00:21:12 -0700	[thread overview]
Message-ID: <20130624072112.GQ5523@atomide.com> (raw)
In-Reply-To: <CAAwP0s00RwP7jCMF1O8j8Ndhu=VfD2dMA5fzr6jWvQ7PziXBCw@mail.gmail.com>

* Javier Martinez Canillas <martinez.javier@gmail•com> [130623 18:08]:
> On Mon, Jun 24, 2013 at 1:43 AM, Aaro Koskinen <aaro.koskinen@iki•fi> wrote:
> > Hi,
> >
> > On Mon, Jun 24, 2013 at 01:06:37AM +0200, Javier Martinez Canillas wrote:
> >> On Mon, Jun 24, 2013 at 12:16 AM, Aaro Koskinen <aaro.koskinen@iki•fi> wrote:
> >> > What is the status of this patch? We're already at 3.10-rc7 and GPIO
> >> > IRQs are still broken on OMAP1.
> >
> > [...]
> >
> >> There is a problem with this patch.
> >
> > [...]
> >
> >> So I think that the correct solution is to add SPARSE_IRQ support to
> >> omap1 and not reverting Jon's patch. Of course this may not be
> >> possible since we are so close to 3.10 and most OMAP patches already
> >> merged for 3.11 but we should definitely try to have this at least for
> >> 3.12. Otherwise we won't be able to move to DT-only booting for
> >> OMAP2+.
> >
> > OMAP1 does not use DT. So we could put this code under #ifdef
> > CONFIG_ARCH_OMAP1 or similar. It's just a few lines of code. OMAP2+
> > work should not regress OMAP1.
> >
> > Demanding SPARSE_IRQ support for OMAP1 should have been discussed before
> > these changes were made. It's not reasonable to assume such things can
> > be made during rc-cycle. Also, now, I don't think it's reasonable to
> > wait for that to be done, as it would take until 3.12 or even later to
> > get OMAP1 functional again.
> >
> > A.
> 
> Hi,
> 
> Yes, since we are so late in the -rc cycle and OMAP1 is currently
> broken I agree that the only sensible solution is to revert the patch
> for now.

Agreed.
 
> I just wanted to point out the issue that keeping the OMAP GPIO driver
> using legacy mapping domain represents a blocker to have GPIO-IRQ
> working with Device Tree for OMAP2+

Yes. We can do the ifdef Aaro suggested, and let's also plan on
converting omap1 to use SPARSE_IRQ. But with the ifdef we can cut
away the dependency between these two.

Regards,

Tony

  reply	other threads:[~2013-06-24  7:21 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-13 20:53 [BISECTED] 3.10-rc1 OMAP1 GPIO IRQ regression Aaro Koskinen
2013-05-16 18:09 ` Tony Lindgren
2013-05-16 21:00   ` Aaro Koskinen
2013-05-16 21:44     ` Tony Lindgren
2013-05-20 17:46       ` Tony Lindgren
2013-05-21 17:39         ` Aaro Koskinen
2013-05-21 19:37           ` Jon Hunter
2013-05-22 21:20             ` Aaro Koskinen
2013-05-23 19:02               ` Jon Hunter
2013-05-23 20:13                 ` Aaro Koskinen
2013-05-28 18:41                   ` Jon Hunter
2013-05-26 19:07                 ` Aaro Koskinen
2013-05-28 18:42                   ` Jon Hunter
2013-05-29 18:55                     ` Aaro Koskinen
2013-05-29 21:29                       ` Jon Hunter
2013-05-29 22:41                         ` Jon Hunter
2013-06-05 22:33         ` Grant Likely
2013-06-06 15:53           ` Tony Lindgren
2013-06-23 22:16             ` Aaro Koskinen
2013-06-23 23:06               ` Javier Martinez Canillas
2013-06-23 23:43                 ` Aaro Koskinen
2013-06-24  1:01                   ` Javier Martinez Canillas
2013-06-24  7:21                     ` Tony Lindgren [this message]
2013-06-24 15:35                       ` Javier Martinez Canillas
2013-06-25 18:14                         ` Aaro Koskinen
2013-06-24 15:53                       ` Grant Likely
2013-06-25  7:04                         ` Tony Lindgren
2013-06-25 11:49                           ` Grant Likely
2013-06-26  7:06                             ` Tony Lindgren

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