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>

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4bb43c0..bef76c5 100644 (file)
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -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;