diff options
| author | Benoit Cousson <b-cousson@ti.com> | 2011-12-05 18:23:56 +0400 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-01-04 11:33:15 +0400 |
| commit | 661db794eb8179c7bea02f159bb691a2fff4a8e0 (patch) | |
| tree | 810f4b85c9089c3fd51dcb1d1f9b872c62972f6c | |
| parent | 35f3da32af0e8970cc41288d4a7e3bd32399900e (diff) | |
| download | linux-661db794eb8179c7bea02f159bb691a2fff4a8e0.tar.xz | |
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 <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Rob Herring <rob.herring@calxeda.com>
[grant.likely: use "interrupt-names" and tidy documentation]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| -rw-r--r-- | Documentation/devicetree/bindings/resource-names.txt | 4 | ||||
| -rw-r--r-- | drivers/of/irq.c | 11 |
2 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/resource-names.txt b/Documentation/devicetree/bindings/resource-names.txt index 8405b956acaa..e280fef6f265 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 0f0cfa3bca30..9cf00602f566 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; |