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authorIngo Molnar <mingo@elte.hu>2010-05-13 08:11:26 +0200
committerIngo Molnar <mingo@elte.hu>2010-05-13 08:11:29 +0200
commitad56b0797e67df5e04b2f1a1e02900145c5c16f2 (patch)
tree1569bed80a4de531afb88cac9d60ef8bd0aa89f2 /drivers/mtd/nand/orion_nand.c
parent668eb65f092902eb7dd526af73d4a7f025a94612 (diff)
parentb57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff)
Merge commit 'v2.6.34-rc7' into tracing/core
Merge reason: Update from -rc5 to -rc7. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/mtd/nand/orion_nand.c')
-rw-r--r--drivers/mtd/nand/orion_nand.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index f59c07427af..d60fc5719fe 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/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;
}