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| author | Grant Likely <grant.likely@secretlab.ca> | 2009-10-15 10:58:04 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2009-10-15 10:58:04 -0600 |
| commit | 8482f56803b9498af84bc09e7bc769a5924f6443 (patch) | |
| tree | 9951afd8639d8e389d3ace2bd1a4c5bf79ed1b71 /include/linux/of_fdt.h | |
| parent | 526b5b3ed97bac22ed0c9feed97adcdc3a25244c (diff) | |
| download | lwn-8482f56803b9498af84bc09e7bc769a5924f6443.tar.gz lwn-8482f56803b9498af84bc09e7bc769a5924f6443.zip | |
of: merge of_*_flat_dt*() functions
Merge common flattened device tree code between Microblaze and PowerPC
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stephen Neuendorffer <stephen.neuendorffer@xilinx.com>
Acked-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'include/linux/of_fdt.h')
| -rw-r--r-- | include/linux/of_fdt.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index b37ad3a973b9..b363eadea819 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -12,6 +12,9 @@ #ifndef _LINUX_OF_FDT_H #define _LINUX_OF_FDT_H +#include <linux/types.h> +#include <linux/init.h> + /* Definitions used by the flattened device tree */ #define OF_DT_HEADER 0xd00dfeed /* marker */ #define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ @@ -54,5 +57,16 @@ struct boot_param_header { u32 dt_struct_size; /* size of the DT structure block */ }; +/* For scanning the flat device-tree at boot time */ +extern int __init of_scan_flat_dt(int (*it)(unsigned long node, + const char *uname, int depth, + void *data), + void *data); +extern void __init *of_get_flat_dt_prop(unsigned long node, const char *name, + unsigned long *size); +extern int __init of_flat_dt_is_compatible(unsigned long node, + const char *name); +extern unsigned long __init of_get_flat_dt_root(void); + #endif /* __ASSEMBLY__ */ #endif /* _LINUX_OF_FDT_H */ |