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2nd set of device tree changes for v3.3

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mergetag object 14c173eb63
 type commit
 tag spi-for-linus
 tagger Grant Likely <[email protected]> 1326520366 -0700
 
 SPI bug fixes for v3.3
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Merge tags 'devicetree-for-linus' and 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6

2nd set of device tree changes and SPI bug fixes for v3.3

* tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  of/irq: Add interrupts-names property to name an irq resource
  of/address: Add reg-names property to name an iomem resource

* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6:
  spi/tegra: depend instead of select TEGRA_SYSTEM_DMA
This commit is contained in:
Linus Torvalds 2012-01-14 13:25:55 -08:00
commit 81d48f0aee
4 changed files with 76 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

16
drivers/of/address.c
View file

@ -14,7 +14,7 @@
static struct of_bus *of_match_bus(struct device_node *np);
static int __of_address_to_resource(struct device_node *dev,
const __be32 *addrp, u64 size, unsigned int flags,
struct resource *r);
const char *name, struct resource *r);
/* Debug utility */
#ifdef DEBUG
@ -215,7 +215,7 @@ int of_pci_address_to_resource(struct device_node *dev, int bar,
addrp = of_get_pci_address(dev, bar, &size, &flags);
if (addrp == NULL)
return -EINVAL;
return __of_address_to_resource(dev, addrp, size, flags, r);
return __of_address_to_resource(dev, addrp, size, flags, NULL, r);
}
EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
#endif /* CONFIG_PCI */
@ -529,7 +529,7 @@ EXPORT_SYMBOL(of_get_address);
static int __of_address_to_resource(struct device_node *dev,
const __be32 *addrp, u64 size, unsigned int flags,
struct resource *r)
const char *name, struct resource *r)
{
u64 taddr;
@ -551,7 +551,8 @@ static int __of_address_to_resource(struct device_node *dev,
r->end = taddr + size - 1;
}
r->flags = flags;
r->name = dev->full_name;
r->name = name ? name : dev->full_name;
return 0;
}
@ -569,11 +570,16 @@ int of_address_to_resource(struct device_node *dev, int index,
const __be32 *addrp;
u64 size;
unsigned int flags;
const char *name = NULL;
addrp = of_get_address(dev, index, &size, &flags);
if (addrp == NULL)
return -EINVAL;
return __of_address_to_resource(dev, addrp, size, flags, r);
/* Get optional "reg-names" property to add a name to a resource */
of_property_read_string_index(dev, "reg-names", index, &name);
return __of_address_to_resource(dev, addrp, size, flags, name, r);
}
EXPORT_SYMBOL_GPL(of_address_to_resource);

11
drivers/of/irq.c
View file

@ -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;