diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-05-07 11:27:54 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-07 11:27:54 +0200 |
| commit | 48652ced1533c3372f996a0d83b6e73b1f1c9381 (patch) | |
| tree | 5e17729cfcdc97bf798a17b57cdb888b4ded65b0 /drivers/mtd/nand/orion_nand.c | |
| parent | 99bd5e2f245d8cd17d040c82d40becdb3efd9b69 (diff) | |
| parent | 66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff) | |
Merge commit 'v2.6.34-rc6' into sched/core
Diffstat (limited to 'drivers/mtd/nand/orion_nand.c')
| -rw-r--r-- | drivers/mtd/nand/orion_nand.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index f59c07427af3..d60fc5719fef 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; } |