Thread (12 messages) flat view 12 messages, 5 authors, 2017-08-06
STALE3316d

[PATCH 1/4] powerpc/prom: avoid endian conversions for linux, memory-limit node

From: Hari Bathini <hidden>
Date: 2017-08-03 09:24:50
Subsystem: linux for powerpc (32-bit and 64-bit), the rest · Maintainers: Madhavan Srinivasan, Linus Torvalds

As linux,memory-limit node is set and also later used by the kernel,
avoid endian conversions for this property.

Fixes: 493adffcb43f ("powerpc: Make prom_init.c endian safe")
Cc: stable@vger.kernel.org # 3.12+
Cc: Anton Blanchard <redacted>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Hari Bathini <redacted>
---
 arch/powerpc/kernel/prom_init.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 613f79f..723df83 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -3180,9 +3180,8 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
 	 * Fill in some infos for use by the kernel later on
 	 */
 	if (prom_memory_limit) {
-		__be64 val = cpu_to_be64(prom_memory_limit);
 		prom_setprop(prom.chosen, "/chosen", "linux,memory-limit",
-			     &val, sizeof(val));
+			     &prom_memory_limit, sizeof(prom_memory_limit));
 	}
 #ifdef CONFIG_PPC64
 	if (prom_iommu_off)
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