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| author | Nicholas Piggin <npiggin@gmail.com> | 2017-04-19 05:12:18 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-05-09 22:55:58 +1000 |
| commit | ea47dd191d543f81e0912b5dc0471b48346b016e (patch) | |
| tree | 2b3c5bcee2b645be83f5be38a025041817194b06 /include/linux/of_fdt.h | |
| parent | 0b382fb3d905e2754302cf9097ffca13afb8b73f (diff) | |
| download | lwn-ea47dd191d543f81e0912b5dc0471b48346b016e.tar.gz lwn-ea47dd191d543f81e0912b5dc0471b48346b016e.zip | |
of/fdt: introduce of_scan_flat_dt_subnodes and of_get_flat_dt_phandle
Introduce primitives for FDT parsing. These will be used for powerpc
cpufeatures node scanning, which has quite complex structure but should
be processed early.
Cc: devicetree@vger.kernel.org
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'include/linux/of_fdt.h')
| -rw-r--r-- | include/linux/of_fdt.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index 271b3fdf0070..1dfbfd0d8040 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -54,6 +54,11 @@ extern char __dtb_end[]; extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname, int depth, void *data), void *data); +extern int of_scan_flat_dt_subnodes(unsigned long node, + int (*it)(unsigned long node, + const char *uname, + void *data), + void *data); extern int of_get_flat_dt_subnode_by_name(unsigned long node, const char *uname); extern const void *of_get_flat_dt_prop(unsigned long node, const char *name, @@ -62,6 +67,7 @@ extern int of_flat_dt_is_compatible(unsigned long node, const char *name); extern int of_flat_dt_match(unsigned long node, const char *const *matches); extern unsigned long of_get_flat_dt_root(void); extern int of_get_flat_dt_size(void); +extern uint32_t of_get_flat_dt_phandle(unsigned long node); extern int early_init_dt_scan_chosen(unsigned long node, const char *uname, int depth, void *data); |