From a18ae87e48c36cf21abb282542b67496b3d9c1be Mon Sep 17 00:00:00 2001
From: Paulius Zaleckas <paulius.zaleckas@gmail.com>
Date: Fri, 23 Apr 2010 13:17:47 -0400
Subject: [PATCH] --- yaml --- r: 190191 b: refs/heads/master c:
 a88a2b886404b1cfc109125b1cba4775e8682955 h: refs/heads/master i:   190189:
 26c40097c1bcc603adedc9eaf8143d524425a936   190187:
 8a7f0d0cb604773f19c079f1c76b5a83c69b43d6   190183:
 1199380abe9deb00c2321ae8fbdcd6b8bd003501   190175:
 646b84bad5727ad855d36bf2e037fbc701d1e2c6 v: v3

---
 [refs]                              | 2 +-
 trunk/drivers/mtd/nand/orion_nand.c | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 12f6673fe03b..c01dae8c33fa 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e59464c735db19619cde2aa331609adb02005f5b
+refs/heads/master: a88a2b886404b1cfc109125b1cba4775e8682955
diff --git a/trunk/drivers/mtd/nand/orion_nand.c b/trunk/drivers/mtd/nand/orion_nand.c
index f59c07427af3..d60fc5719fef 100644
--- a/trunk/drivers/mtd/nand/orion_nand.c
+++ b/trunk/drivers/mtd/nand/orion_nand.c
@@ -60,7 +60,13 @@ static void orion_nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)
 	}
 	buf64 = (uint64_t *)buf;
 	while (i < len/8) {
-		uint64_t x;
+		/*
+		 * Since GCC has no proper constraint (PR 43518)
+		 * force x variable to r2/r3 registers as ldrd instruction
+		 * requires first register to be even.
+		 */
+		register uint64_t x asm ("r2");
+
 		asm volatile ("ldrd\t%0, [%1]" : "=&r" (x) : "r" (io_base));
 		buf64[i++] = x;
 	}