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of/flattree: Eliminate need to provide early_init_dt_scan_chosen_arch

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This patch refactors the early init parsing of the chosen node so that
architectures aren't forced to provide an empty implementation of
early_init_dt_scan_chosen_arch.  Instead, if an architecture wants to
do something different, it can either use a wrapper function around
early_init_dt_scan_chosen(), or it can replace it altogether.

This patch was written in preparation to adding device tree support to
both x86 ad MIPS.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: David Daney <ddaney@caviumnetworks.com>
This commit is contained in:
Grant Likely 2010-10-20 11:45:14 -06:00
parent 7096d04221
commit 32c97689c4
4 changed files with 11 additions and 10 deletions
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2
include/linux/of_fdt.h
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@ -72,7 +72,7 @@ extern void *of_get_flat_dt_prop(unsigned long node, const char *name,
unsigned long *size);
extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
extern unsigned long of_get_flat_dt_root(void);
extern void early_init_dt_scan_chosen_arch(unsigned long node);
extern int early_init_dt_scan_chosen(unsigned long node, const char *uname,
int depth, void *data);
extern void early_init_dt_check_for_initrd(unsigned long node);