From: robherring2@gmail.com (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/3] ARM: gic: add OF based initialization
Date: Wed, 21 Sep 2011 12:55:59 -0500 [thread overview]
Message-ID: <4E7A252F.2000402@gmail.com> (raw)
In-Reply-To: <4E7A1BCA.1090006@ti.com>
Benoit,
On 09/21/2011 12:15 PM, Cousson, Benoit wrote:
> Hi Rob,
>
> I'm testing that series with OMAP4 but have some issues for the moment :-(
>
> [ 0.000000] WARNING: at kernel/irq/irqdomain.c:34 gic_of_init+0x10c/0x180()
> [ 0.000000] error: irq_desc already assigned to a domain
> [ 0.000000] Modules linked in:
> [ 0.000000] [<c001b284>] (unwind_backtrace+0x0/0xf0) from [<c0051c34>] (warn_slowpath_common+0x4c/0x64)
> [ 0.000000] [<c0051c34>] (warn_slowpath_common+0x4c/0x64) from [<c0051ce0>] (warn_slowpath_fmt+0x30/0x40)
> [ 0.000000] [<c0051ce0>] (warn_slowpath_fmt+0x30/0x40) from [<c05f6874>] (gic_of_init+0x10c/0x180)
> [ 0.000000] [<c05f6874>] (gic_of_init+0x10c/0x180) from [<c05fa2e0>] (omap_gic_of_init+0x8/0x28)
> [ 0.000000] [<c05fa2e0>] (omap_gic_of_init+0x8/0x28) from [<c0616b44>] (of_irq_init+0x148/0x28c)
> [ 0.000000] [<c0616b44>] (of_irq_init+0x148/0x28c) from [<c05f3074>] (init_IRQ+0x14/0x1c)
> [ 0.000000] [<c05f3074>] (init_IRQ+0x14/0x1c) from [<c05f0650>] (start_kernel+0x184/0x2fc)
> [ 0.000000] [<c05f0650>] (start_kernel+0x184/0x2fc) from [<80008040>] (0x80008040)
>
> I'm not super familiar with all the irq stuff but I'm wondering if there is not something wrong with the test that print that message:
>
> void irq_domain_add(struct irq_domain *domain)
> {
> struct irq_data *d;
> int hwirq;
>
> /*
> * This assumes that the irq_domain owner has already allocated
> * the irq_descs. This block will be removed when support for dynamic
> * allocation of irq_descs is added to irq_domain.
> */
> for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
> d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
> if (d || d->domain) {
> /* things are broken; just report, don't clean up */
> WARN(1, "error: irq_desc already assigned to a domain");
> return;
> }
> [...]
>
> Is the (d || d->domain) correct? Shouldn't it be (d && d->domain)?
>
> But since that used to work properly, I have some doubt. Moreover the driver will not even get the proper interrupt later...
>
> Do you have any clue?
I fixed that in the prior series and tglx picked it up, so I did not
repost. It should hit mainline for 3.1, but I haven't verified if it is
in yet. Sorry for the confusion, I should have mentioned that.
Rob
next prev parent reply other threads:[~2011-09-21 17:55 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-20 20:24 [PATCH 0/3] GIC OF bindings Rob Herring
2011-09-20 20:24 ` [PATCH 1/3] of/irq: of_irq_find_parent: check for parent equal to child Rob Herring
2011-09-20 21:01 ` Grant Likely
2011-09-20 20:24 ` [PATCH 2/3] of/irq: introduce of_irq_init Rob Herring
2011-09-20 23:00 ` Grant Likely
2011-09-21 10:01 ` Jamie Iles
2011-09-23 2:21 ` [PATCH v3] " Rob Herring
2011-09-23 5:14 ` Grant Likely
2011-09-26 19:24 ` [PATCH v4] " Rob Herring
2011-09-27 1:53 ` Grant Likely
2011-09-27 13:03 ` Rob Herring
2011-09-27 21:24 ` Grant Likely
2011-09-20 20:24 ` [PATCH 3/3] ARM: gic: add OF based initialization Rob Herring
2011-09-20 23:08 ` Grant Likely
2011-09-21 1:54 ` Rob Herring
2011-09-21 17:15 ` Cousson, Benoit
2011-09-21 17:55 ` Rob Herring [this message]
2011-09-21 19:28 ` Cousson, Benoit
2011-09-21 20:27 ` Cousson, Benoit
2011-09-26 19:57 ` Jamie Iles
2011-09-26 20:49 ` Rob Herring
2011-09-26 21:11 ` Jamie Iles
2011-09-26 21:32 ` Rob Herring
2011-09-26 22:00 ` Jamie Iles
2011-09-26 22:29 ` Jamie Iles
2011-09-21 2:49 ` [PATCH 0/3] GIC OF bindings David Miller
2011-09-21 4:14 ` Grant Likely
2011-09-21 4:58 ` Mitch Bradley
2011-09-21 5:21 ` David Miller
2011-09-21 7:11 ` Mitch Bradley
2011-09-21 5:16 ` Segher Boessenkool
2011-09-21 9:43 ` Shawn Guo
-- strict thread matches above, loose matches on Subject: below --
2011-09-30 19:27 Rob Herring
2011-09-30 19:28 ` [PATCH 3/3] ARM: gic: add OF based initialization Rob Herring
2011-10-04 23:44 ` Grant Likely
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