[PATCH] powerpc/prom: Use DRCONF flags while processing detected LMBs

Anshuman Khandual khandual at linux.vnet.ibm.com
Thu Aug 6 23:05:07 AEST 2015


This patch just replaces hard coded values with existing
DRCONF flags while procesing detected LMBs from the device
tree. This does not change any functionality.

Signed-off-by: Anshuman Khandual <khandual at linux.vnet.ibm.com>
---
 arch/powerpc/kernel/prom.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 8b888b1..70a8cab 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -476,9 +476,10 @@ 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;
-- 
2.1.0



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