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| author |   Shannon Zhao <shannon.zhao@linaro.org> | 2016-04-07 20:03:33 +0800 |
|---|---|---|
| committer |   David Vrabel <david.vrabel@citrix.com> | 2016-07-06 10:34:46 +0100 |
| commit | 9c6098685a1d5df72da61ff7838ebb1524796869 (patch) | |
| tree | 4e24b0c39329c6de73c6394387f3ec3e9af8adea /include/linux/of_fdt.h | |
| parent | ARM64: XEN: Add a function to initialize Xen specific UEFI runtime services (diff) | |
| download | wireguard-linux-9c6098685a1d5df72da61ff7838ebb1524796869.tar.xz wireguard-linux-9c6098685a1d5df72da61ff7838ebb1524796869.zip | |
FDT: Add a helper to get the subnode by given name
Sometimes it needs to check if there is a subnode of given node in FDT
by given name. Introduce this helper to get the subnode if it exists.
CC: Rob Herring <robh@kernel.org>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Julien Grall <julien.grall@arm.com>
Diffstat (limited to 'include/linux/of_fdt.h')
| -rw-r--r-- | include/linux/of_fdt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index 901ec01c9fba..26c3302ae58f 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -53,6 +53,8 @@ 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_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, int *size); extern int of_flat_dt_is_compatible(unsigned long node, const char *name); |