From: Benoit Cousson Date: Mon, 5 Dec 2011 14:23:56 +0000 (+0100) Subject: of/irq: Add interrupts-names property to name an irq resource X-Git-Tag: v3.3-rc1~63^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=661db794eb8179c7bea02f159bb691a2fff4a8e0;p=platform%2Fkernel%2Flinux-exynos.git of/irq: Add interrupts-names property to name an irq resource Add a interrupts-names property to allow the possibility to provide a name to any interrupts entries. If the name is available, use it to name the resource, otherwise keep the device full name. Signed-off-by: Benoit Cousson Cc: Grant Likely Cc: Rob Herring [grant.likely: use "interrupt-names" and tidy documentation] Signed-off-by: Grant Likely --- diff --git a/Documentation/devicetree/bindings/resource-names.txt b/Documentation/devicetree/bindings/resource-names.txt index 8405b95..e280fef 100644 --- a/Documentation/devicetree/bindings/resource-names.txt +++ b/Documentation/devicetree/bindings/resource-names.txt @@ -32,6 +32,8 @@ l4-abe { <1 0x10 0x10>, <1 0x20 0x10>; reg-names = "mpu", "dat", "dma", "dma_dat"; + interrupts = <11>, <12>; + interrupt-names = "rx", "tx"; }; timer { @@ -47,4 +49,6 @@ usb { reg = <0x4a064000 0x800>, <0x4a064800 0x200>, <0x4a064c00 0x200>; reg-names = "config", "ohci", "ehci"; + interrupts = <14>, <15>; + interrupt-names = "ohci", "ehci"; }; diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 0f0cfa3..9cf0060 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -341,9 +341,18 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) /* Only dereference the resource if both the * resource and the irq are valid. */ if (r && irq) { + const char *name = NULL; + + /* + * Get optional "interrupts-names" property to add a name + * to the resource. + */ + of_property_read_string_index(dev, "interrupt-names", index, + &name); + r->start = r->end = irq; r->flags = IORESOURCE_IRQ; - r->name = dev->full_name; + r->name = name ? name : dev->full_name; } return irq;