From: Lee Jones <lee.jones@linaro.org>
To: Rob Herring <robherring2@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linus.walleij@stericsson.com,
arnd@arndb.de, devicetree-discuss@lists.ozlabs.org,
broonie@opensource.wolfsonmicro.com,
STEricsson_nomadik_linux@list.st.com
Subject: Re: [PATCH 1/8] of/irq: Create stub for of_irq_find_parent when !CONFIG_OF
Date: Thu, 9 Aug 2012 20:44:05 +0100 [thread overview]
Message-ID: <20120809194403.GB9966@gmail.com> (raw)
In-Reply-To: <5023E366.9010603@gmail.com>
On Thu, Aug 09, 2012 at 11:20:54AM -0500, Rob Herring wrote:
> On 08/09/2012 10:53 AM, Lee Jones wrote:
> > of_irq_find_parent is a handy function to use outside the confines of
> > the Open Firmware subsystem. One such use-case is when the IRQ Domain
> > wishes to find an IRQ domain for a given device node. Currently it can
> > not take any notice of the 'interrupt-parent' property. Instead it
> > just uses the first IRQ controller as it climbs the Device Tree. If
> > we were to use this as a precursor the resultant controller is more
> > likely to be correct.
>
> Where are you using this? I don't have all the patches in the series.
Sorry Rob. Here:
https://lkml.org/lkml/2012/8/9/373
> > CC: Rob Herring <rob.herring@calxeda.com>
> > CC: devicetree-discuss@lists.ozlabs.org
> > Signed-off-by: Lee Jones <lee.jones@linaro.org>
> > ---
> > include/linux/of_irq.h | 5 +++++
> > 1 file changed, 5 insertions(+)
> >
> > diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
> > index 1717cd9..b8e2411 100644
> > --- a/include/linux/of_irq.h
> > +++ b/include/linux/of_irq.h
> > @@ -83,6 +83,11 @@ static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
> > {
> > return 0;
> > }
> > +
> > +static inline void *of_irq_find_parent(struct device_node *child)
> > +{
> > + return NULL;
> > +}
> > #endif /* !CONFIG_OF */
> >
> > #endif /* __OF_IRQ_H */
> >
>
--
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2012-08-09 19:44 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 [this message]
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
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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