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| author | Paul Mundt <lethal@linux-sh.org> | 2010-05-20 11:57:38 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2010-05-20 11:57:38 +0900 |
| commit | ffee72d4681c8777918268a96aef42bdeb6c367b (patch) | |
| tree | 4baf91483886d561c198ed0524ab54b783273e86 /drivers/mtd/nand/orion_nand.c | |
| parent | fb54d268329846aa13b2bc44a64d90e9b7131192 (diff) | |
| parent | f72caf7e496465182eeda842ac66a5e75404ddf1 (diff) | |
| download | kernel_goldelico_gta04-ffee72d4681c8777918268a96aef42bdeb6c367b.zip kernel_goldelico_gta04-ffee72d4681c8777918268a96aef42bdeb6c367b.tar.gz kernel_goldelico_gta04-ffee72d4681c8777918268a96aef42bdeb6c367b.tar.bz2 | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 f59c074..d60fc57 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; } |