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fdt_support: Move of_read_number to fdt_support.h

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This is being done so that it can be used outside 'fdt_support.c'. Making
life more convenient when reading device node properties that can be 32
or 64 bits long.

Signed-off-by: Arnab Basu <arnab.basu@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Arnab Basu 2014-09-08 12:19:58 -07:00 committed by York Sun
parent bb5783224b
commit 08df4a21c7
2 changed files with 9 additions and 9 deletions
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9
common/fdt_support.c
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@ -930,15 +930,6 @@ void fdt_del_node_and_alias(void *blob, const char *alias)
fdt_delprop(blob, off, alias);
}
/* Helper to read a big number; size is in cells (not bytes) */
static inline u64 of_read_number(const fdt32_t *cell, int size)
{
u64 r = 0;
while (size--)
r = (r << 32) | fdt32_to_cpu(*(cell++));
return r;
}
#define PRu64 "%llx"
/* Max address size we deal with */

9
include/fdt_support.h
View File

@ -133,6 +133,15 @@ static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
}
/* Helper to read a big number; size is in cells (not bytes) */
static inline u64 of_read_number(const fdt32_t *cell, int size)
{
u64 r = 0;
while (size--)
r = (r << 32) | fdt32_to_cpu(*(cell++));
return r;
}
#endif /* ifdef CONFIG_OF_LIBFDT */
#ifdef USE_HOSTCC