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powerpc/prom: Use DRCONF flags while processing detected LMBs 

Replace hard coded values with existing DRCONF flags while procesing
detected LMBs from the device tree. Does not change any functionality.

Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Anshuman Khandual 2015-08-06 18:35:07 +05:30 committed by Michael Ellerman
parent 8218a3031c
commit 9afac93343
1 changed files with 4 additions and 3 deletions
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7
arch/powerpc/kernel/prom.c
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@ -472,9 +472,10 @@ static int __init early_init_dt_scan_drconf_memory(unsigned long node)
flags = of_read_number(&dm[3], 1);
/* skip DRC index, pad, assoc. list index, flags */
dm += 4;
/* skip this block if the reserved bit is set in flags (0x80)
or if the block is not assigned to this partition (0x8) */
if ((flags & 0x80) || !(flags & 0x8))
/* skip this block if the reserved bit is set in flags
or if the block is not assigned to this partition */
if ((flags & DRCONF_MEM_RESERVED) ||
!(flags & DRCONF_MEM_ASSIGNED))
continue;
size = memblock_size;
rngs = 1;