From mboxrd@z Thu Jan 1 00:00:00 1970 From: lee.jones@linaro.org (Lee Jones) Date: Thu, 9 Aug 2012 20:44:05 +0100 Subject: [PATCH 1/8] of/irq: Create stub for of_irq_find_parent when !CONFIG_OF In-Reply-To: <5023E366.9010603@gmail.com> References: <1344527635-6163-1-git-send-email-lee.jones@linaro.org> <1344527635-6163-2-git-send-email-lee.jones@linaro.org> <5023E366.9010603@gmail.com> Message-ID: <20120809194403.GB9966@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > > CC: devicetree-discuss at lists.ozlabs.org > > Signed-off-by: Lee Jones > > --- > > 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