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author | Kumar Gala <galak@kernel.crashing.org> | 2008-01-25 04:41:05 (GMT) |
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committer | Kumar Gala <galak@kernel.crashing.org> | 2008-01-27 20:07:37 (GMT) |
commit | b3bea15d29799797d1486aeddf883404a2e05c81 (patch) | |
tree | d8ddcaa66e27a0b367d50c9d32e389c41d580322 /arch/powerpc/boot/libfdt-wrapper.c | |
parent | 03a16b27bd30f22d88f570585551925248469f84 (diff) | |
download | linux-fsl-qoriq-b3bea15d29799797d1486aeddf883404a2e05c81.tar.xz |
[POWERPC] bootwrapper: Add find_node_by_compatible
Add the ability to find a device node by just what its compatible with.
This is useful in cases that we don't have a prop to find the node with.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/boot/libfdt-wrapper.c')
-rw-r--r-- | arch/powerpc/boot/libfdt-wrapper.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/boot/libfdt-wrapper.c b/arch/powerpc/boot/libfdt-wrapper.c index 97af36c..59016be 100644 --- a/arch/powerpc/boot/libfdt-wrapper.c +++ b/arch/powerpc/boot/libfdt-wrapper.c @@ -133,6 +133,14 @@ static void *fdt_wrapper_find_node_by_prop_value(const void *prev, return offset_devp(offset); } +static void *fdt_wrapper_find_node_by_compatible(const void *prev, + const char *val) +{ + int offset = fdt_node_offset_by_compatible(fdt, devp_offset_find(prev), + val); + return offset_devp(offset); +} + static char *fdt_wrapper_get_path(const void *devp, char *buf, int len) { int rc; @@ -164,6 +172,7 @@ void fdt_init(void *blob) dt_ops.get_parent = fdt_wrapper_get_parent; dt_ops.create_node = fdt_wrapper_create_node; dt_ops.find_node_by_prop_value = fdt_wrapper_find_node_by_prop_value; + dt_ops.find_node_by_compatible = fdt_wrapper_find_node_by_compatible; dt_ops.get_path = fdt_wrapper_get_path; dt_ops.finalize = fdt_wrapper_finalize; |