diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-09 14:55:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-07-09 14:55:28 -0700 |
| commit | 0a2fbf5bd036fba62bf3613817116aae014f3461 (patch) | |
| tree | e8210596d7890c29ea93d3d0db88690a4ca486bb | |
| parent | 13568faf2e3d3df9efabbb20c7a3dbdfd37f42f8 (diff) | |
| download | ltsi-kernel-0a2fbf5bd036fba62bf3613817116aae014f3461.tar.gz | |
add patches.kzm9g/of-address-add-of_find_matching_node_by_address-helper.patch
This fixes a build error
| -rw-r--r-- | patches.kzm9g/of-address-add-of_find_matching_node_by_address-helper.patch | 66 | ||||
| -rw-r--r-- | series | 1 |
2 files changed, 67 insertions, 0 deletions
diff --git a/patches.kzm9g/of-address-add-of_find_matching_node_by_address-helper.patch b/patches.kzm9g/of-address-add-of_find_matching_node_by_address-helper.patch new file mode 100644 index 00000000000000..3b44383d869a99 --- /dev/null +++ b/patches.kzm9g/of-address-add-of_find_matching_node_by_address-helper.patch @@ -0,0 +1,66 @@ +From: Grant Likely <grant.likely@secretlab.ca> +Subject: of/address: Add of_find_matching_node_by_address helper + +of_find_matching_node_by_address() can be used to find a device tree +node for a device at a specific address. + +Signed-off-by: Grant Likely <grant.likely@secretlab.ca> +(cherry picked from commit 90e33f62e027d330485d03598e1b2d8db3ff031c) + +Signed-off-by: Simon Horman <horms@verge.net.au> +--- + drivers/of/address.c | 18 ++++++++++++++++++ + include/linux/of_address.h | 4 ++++ + 2 files changed, 22 insertions(+) + +diff --git a/drivers/of/address.c b/drivers/of/address.c +index b4559c5..da1f4b9 100644 +--- a/drivers/of/address.c ++++ b/drivers/of/address.c +@@ -577,6 +577,24 @@ int of_address_to_resource(struct device_node *dev, int index, + } + EXPORT_SYMBOL_GPL(of_address_to_resource); + ++struct device_node *of_find_matching_node_by_address(struct device_node *from, ++ const struct of_device_id *matches, ++ u64 base_address) ++{ ++ struct device_node *dn = of_find_matching_node(from, matches); ++ struct resource res; ++ ++ while (dn) { ++ if (of_address_to_resource(dn, 0, &res)) ++ continue; ++ if (res.start == base_address) ++ return dn; ++ dn = of_find_matching_node(dn, matches); ++ } ++ ++ return NULL; ++} ++ + + /** + * of_iomap - Maps the memory mapped IO for a given device_node +diff --git a/include/linux/of_address.h b/include/linux/of_address.h +index 2feda6ee..bdfc20d 100644 +--- a/include/linux/of_address.h ++++ b/include/linux/of_address.h +@@ -6,6 +6,10 @@ + extern u64 of_translate_address(struct device_node *np, const __be32 *addr); + extern int of_address_to_resource(struct device_node *dev, int index, + struct resource *r); ++extern struct device_node *of_find_matching_node_by_address( ++ struct device_node *from, ++ const struct of_device_id *matches, ++ u64 base_address); + extern void __iomem *of_iomap(struct device_node *device, int index); + + /* Extract an address from a device, returns the region size and +-- +1.7.10.2.484.gcd07cc5 + +_______________________________________________ +LTSI-dev mailing list +LTSI-dev@lists.linuxfoundation.org +https://lists.linuxfoundation.org/mailman/listinfo/ltsi-dev @@ -728,6 +728,7 @@ patches.kzm9g/0139-ARM-mach-shmobile-armadillo800eva-Add-FSI-WM8978-sup.patch patches.kzm9g/0140-ARM-mach-shmobile-Add-support-for-PINT-though-INTC-m.patch patches.kzm9g/0141-irq-Track-the-owner-of-irq-descriptor.patch patches.kzm9g/0142-irq-add-irq_domain-translation-infrastructure.patch +patches.kzm9g/of-address-add-of_find_matching_node_by_address-helper.patch patches.kzm9g/0143-dt-irq-add-irq_domain_generate_simple-helper.patch patches.kzm9g/0144-irq-Add-declaration-of-irq_domain_simple_ops-to-irqd.patch patches.kzm9g/0145-irq-Fix-check-for-already-initialized-irq_domain-in-.patch |