diff options
author | Jonas Bonn <jonas@southpole.se> | 2010-07-23 17:19:35 (GMT) |
---|---|---|
committer | Grant Likely <grant.likely@secretlab.ca> | 2010-07-24 15:58:22 (GMT) |
commit | c608558407aa64d2b98d58bfc116e95c0afb357e (patch) | |
tree | 1dba985555b1fff5ce587c6368f47383ba00ebd4 | |
parent | de48e369e8ea3a773cb2f959b76fcfad9966f4a0 (diff) | |
download | linux-fsl-qoriq-c608558407aa64d2b98d58bfc116e95c0afb357e.tar.xz |
of: make of_find_device_by_node generic
There's no need for this function to be architecture specific and all four
architectures defining it had the same definition. The function has been
moved to drivers/of/platform.c.
Signed-off-by: Jonas Bonn <jonas@southpole.se>
[grant.likely@secretlab.ca: moved to drivers/of/platform.c, simplified code, and added kerneldoc comment]
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | arch/microblaze/kernel/of_platform.c | 16 | ||||
-rw-r--r-- | arch/powerpc/kernel/of_platform.c | 16 | ||||
-rw-r--r-- | arch/sparc/kernel/of_device_common.c | 20 | ||||
-rw-r--r-- | drivers/of/platform.c | 20 |
4 files changed, 20 insertions, 52 deletions
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c index c664b27..6cffadb 100644 --- a/arch/microblaze/kernel/of_platform.c +++ b/arch/microblaze/kernel/of_platform.c @@ -47,19 +47,3 @@ const struct of_device_id of_default_bus_ids[] = { { .type = "simple", }, {}, }; - -static int of_dev_node_match(struct device *dev, void *data) -{ - return to_platform_device(dev)->dev.of_node == data; -} - -struct platform_device *of_find_device_by_node(struct device_node *np) -{ - struct device *dev; - - dev = bus_find_device(&platform_bus_type, NULL, np, of_dev_node_match); - if (dev) - return to_platform_device(dev); - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_node); diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index 84439d1..760a7af 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -52,22 +52,6 @@ const struct of_device_id of_default_bus_ids[] = { {}, }; -static int of_dev_node_match(struct device *dev, void *data) -{ - return to_platform_device(dev)->dev.of_node == data; -} - -struct platform_device *of_find_device_by_node(struct device_node *np) -{ - struct device *dev; - - dev = bus_find_device(&platform_bus_type, NULL, np, of_dev_node_match); - if (dev) - return to_platform_device(dev); - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_node); - #ifdef CONFIG_PPC_OF_PLATFORM_PCI /* The probing of PCI controllers from of_platform is currently diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c index e80729b..49ddff5 100644 --- a/arch/sparc/kernel/of_device_common.c +++ b/arch/sparc/kernel/of_device_common.c @@ -11,26 +11,6 @@ #include "of_device_common.h" -static int node_match(struct device *dev, void *data) -{ - struct platform_device *op = to_platform_device(dev); - struct device_node *dp = data; - - return (op->dev.of_node == dp); -} - -struct platform_device *of_find_device_by_node(struct device_node *dp) -{ - struct device *dev = bus_find_device(&platform_bus_type, NULL, - dp, node_match); - - if (dev) - return to_platform_device(dev); - - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_node); - unsigned int irq_of_parse_and_map(struct device_node *node, int index) { struct platform_device *op = of_find_device_by_node(node); diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 9f3840c..f79f40b 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -22,6 +22,26 @@ #include <linux/of_platform.h> #include <linux/platform_device.h> +static int of_dev_node_match(struct device *dev, void *data) +{ + return dev->of_node == data; +} + +/** + * of_find_device_by_node - Find the platform_device associated with a node + * @np: Pointer to device tree node + * + * Returns platform_device pointer, or NULL if not found + */ +struct platform_device *of_find_device_by_node(struct device_node *np) +{ + struct device *dev; + + dev = bus_find_device(&platform_bus_type, NULL, np, of_dev_node_match); + return dev ? to_platform_device(dev) : NULL; +} +EXPORT_SYMBOL(of_find_device_by_node); + static int platform_driver_probe_shim(struct platform_device *pdev) { struct platform_driver *pdrv; |