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fdt: Export fdtdec_get_number() for general use

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This function is missing a prototype but is more widey useful. Add it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Simon Glass 2015-03-05 12:25:14 -07:00
parent 20806e7484
commit 5f7bfdd630
2 changed files with 12 additions and 1 deletions
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11
include/fdtdec.h
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@ -388,6 +388,17 @@ int fdtdec_get_pci_bar32(const void *blob, int node,
s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
s32 default_val);
/**
* Get a variable-sized number from a property
*
* This reads a number from one or more cells.
*
* @param ptr Pointer to property
* @param cells Number of cells containing the number
* @return the value in the cells
*/
u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells);
/**
* Look up a 64-bit integer property in a node and return it. The property
* must have at least 8 bytes of data (2 cells). The first two cells are

2
lib/fdtdec.c
View file

@ -918,7 +918,7 @@ int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
return 0;
}
static u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells)
u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells)
{
u64 number = 0;