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of: Split early_init_dt_scan into two parts

Browse source 
Currently, early_init_dt_scan validates the header, sets the
boot params, and scans for chosen/memory all in one function.
Split this up into two separate functions (validation/setting
boot params in one, scanning in another) to allow for
additional setup between boot params and scanning the memory.

Signed-off-by: Laura Abbott <[email protected]>
Tested-by: Andreas Färber <[email protected]>
[glikely: s/early_init_dt_scan_all/early_init_dt_scan_nodes/]
Signed-off-by: Grant Likely <[email protected]>
This commit is contained in:
Laura Abbott 2014-07-15 10:03:34 -07:00 • committed by Grant Likely
commit 4972a74b88
2 changed files with 19 additions and 1 deletions
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18
drivers/of/fdt.c
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@ -937,7 +937,7 @@ int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base,
}
#endif
bool __init early_init_dt_scan(void *params)
bool __init early_init_dt_verify(void *params)
{
if (!params)
return false;
@ -951,6 +951,12 @@ bool __init early_init_dt_scan(void *params)
return false;
}
return true;
}
void __init early_init_dt_scan_nodes(void)
{
/* Retrieve various information from the /chosen node */
of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
@ -959,7 +965,17 @@ bool __init early_init_dt_scan(void *params)
/* Setup memory, calling early_init_dt_add_memory_arch */
of_scan_flat_dt(early_init_dt_scan_memory, NULL);
}
bool __init early_init_dt_scan(void *params)
{
bool status;
status = early_init_dt_verify(params);
if (!status)
return false;
early_init_dt_scan_nodes();
return true;
}