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Commit c0556d3f authored Apr 22, 2014 by Rob Herring

of/fdt: introduce of_get_flat_dt_size



Add a wrapper function to retrieve the FDT size from the FDT header. This
is primarily to avoid libfdt include paths for the whole kernel.

Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Stephen Chivers <schivers@csc.com>

parent 1d1a661d

drivers/of/fdt.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -553,6 +553,14 @@ unsigned long __init of_get_flat_dt_root(void)
		return 0;
		}

		/**
		* of_get_flat_dt_size - Return the total size of the FDT
		*/
		int __init of_get_flat_dt_size(void)
		{
		return fdt_totalsize(initial_boot_params);
		}

		/**
		* of_get_flat_dt_prop - Given a node in the flat blob, return the property ptr
		*

include/linux/of_fdt.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -92,6 +92,7 @@ extern const void of_get_flat_dt_prop(unsigned long node, const char name,
		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 int early_init_dt_scan_chosen(unsigned long node, const char *uname,
		int depth, void *data);