From: broonie@opensource•wolfsonmicro.com (Mark Brown)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 5/8] mfd: Provide the PRCMU with its own IRQ domain
Date: Tue, 21 Aug 2012 12:03:29 +0100 [thread overview]
Message-ID: <20120821110329.GA7995@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <20120821105413.GD26899@gmail.com>
On Tue, Aug 21, 2012 at 11:54:14AM +0100, Lee Jones wrote:
> On Tue, Aug 21, 2012 at 10:50:27AM +0100, Mark Brown wrote:
> > What makes you say this? This is just a convenience for finding a
> > domain, irqdomains are *completely* indepentant of device tree.
> How can you say that? I think you mean _can_ be independent of DT. If
> that's what you mean then yes, that's true. All I'm saying is we need
No, I really mean what I'm saying. Device tree builds on irqdomains,
not the other way around.
> another way to get hold of the domain, because the only way to obtain
> it without having direct access is via a device node.
This doesn't actually hold.
> > > - I know that you have interest in pushing the functionality into the
> > > IRQ domain subsystem, but I'm struggling to see how. It's calling into
> > > the IRQ domain where we're seeing issues in the first place, specifically
> > > irq_create_mapping(). How about if we passed 'irq_domain' as a parameter
> > > when requesting the IRQ? That way we can pass the correct IRQ without
> > > worry of conversion. If 'irq_domain' is !NULL the IRQ management subsystem
> > > can do the necessary conversions. If 'irq_domain' is NULL it continues to
> > > use the requested IRQ as a virq.
> > This is totally orthogonal to doing the mapping in the MFD subsystem
> > which is the issue here.
> Again, I only mentioned this because you said you wanted it to be handled
> by the irqdomain.
The *mapping* should be being handled in irqdomain.
> I'll code up the second suggestion now.
I've already done this.
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next prev parent reply other threads:[~2012-08-21 11:03 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-09 15:53 [PATCH 0/8] Changes surrounding IRQs and IRQ domains Lee Jones
2012-08-09 15:53 ` [PATCH 1/8] of/irq: Create stub for of_irq_find_parent when !CONFIG_OF Lee Jones
2012-08-09 16:20 ` Rob Herring
2012-08-09 19:44 ` Lee Jones
2012-08-09 19:53 ` Rob Herring
2012-08-14 8:17 ` Linus Walleij
2012-08-09 15:53 ` [PATCH 2/8] irqdomain: Take interrupt-parent property into account if specified Lee Jones
2012-08-14 8:19 ` Linus Walleij
2012-08-31 9:44 ` Lee Jones
2012-08-31 13:58 ` Rob Herring
2012-08-09 15:53 ` [PATCH 3/8] ARM: ux500: Identify the PRCMU as an interrupt controller Lee Jones
2012-08-14 8:19 ` Linus Walleij
2012-08-09 15:53 ` [PATCH 4/8] ARM: ux500: Force AB8500 to use the GIC as its " Lee Jones
2012-08-14 8:20 ` Linus Walleij
2012-08-09 15:53 ` [PATCH 5/8] mfd: Provide the PRCMU with its own IRQ domain Lee Jones
2012-08-14 8:29 ` Linus Walleij
2012-08-14 9:42 ` Arnd Bergmann
2012-08-14 10:44 ` Linus Walleij
2012-08-20 8:36 ` Lee Jones
2012-08-20 12:10 ` Mark Brown
2012-08-20 12:55 ` Lee Jones
2012-08-20 16:29 ` Mark Brown
2012-08-20 16:49 ` Lee Jones
2012-08-20 17:51 ` Mark Brown
2012-08-21 8:56 ` Lee Jones
2012-08-21 9:50 ` Mark Brown
2012-08-21 10:54 ` Lee Jones
2012-08-21 11:03 ` Mark Brown [this message]
2012-08-21 12:02 ` Lee Jones
2012-08-21 16:52 ` Mark Brown
2012-08-22 8:17 ` Lee Jones
2012-08-22 11:19 ` Mark Brown
2012-08-22 11:55 ` Lee Jones
2012-08-22 15:48 ` Mark Brown
2012-08-20 9:36 ` Lee Jones
2012-08-20 10:49 ` Lee Jones
2012-08-09 15:53 ` [PATCH 6/8] mfd: Use interrupt-parent as IRQ controller if specified in DT Lee Jones
2012-08-14 8:22 ` Linus Walleij
2012-08-09 15:53 ` [PATCH 7/8] mfd: Use the AB8500's IRQ domain to convert hwirq to virq Lee Jones
2012-08-14 8:25 ` Linus Walleij
2012-09-19 0:00 ` Samuel Ortiz
2012-08-09 15:53 ` [PATCH 8/8] input: ab8500-ponkey: Rely on MFD core to convert IRQs to virtual Lee Jones
2012-08-14 8:31 ` Linus Walleij
2012-08-21 9:23 ` Lee Jones
2012-08-21 16:42 ` Dmitry Torokhov
2012-08-30 13:12 ` Lee Jones
2012-08-30 23:02 ` Dmitry Torokhov
2012-08-30 23:03 ` Dmitry Torokhov
2012-08-31 7:31 ` Lee Jones
2012-08-31 14:50 ` Dmitry Torokhov
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