Re: [PATCH 1/8] of/irq: Create stub for of_irq_find_parent when !CONFIG_OF

On Thu, Aug 09, 2012 at 11:20:54AM -0500, Rob Herring wrote:

On 08/09/2012 10:53 AM, Lee Jones wrote:

quoted

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

quoted

CC: Rob Herring <redacted>
CC: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Lee Jones <redacted>
---
 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
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