diff options
| author | Grant Grundler <grundler@google.com> | 2009-04-08 14:12:49 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-04-08 14:12:49 +0200 |
| commit | edafcf73dca2f9531c78eec130df84a8c9654b3b (patch) | |
| tree | 71f01d37becfe14c2f26f9cee2ea5f6af03112e0 /drivers/ide/scc_pata.c | |
| parent | d18812070efc658267f7573eec5ce7810128bfeb (diff) | |
| download | linux-edafcf73dca2f9531c78eec130df84a8c9654b3b.tar.bz2 | |
ide: remove wmb() from ide-dma-sff.c and scc_pata.c
This patch:
o replaces "mask" variable in ide_dma_end() with #define.
o removes use of wmb() in ide-dma-sff.c and scc_pata.c.
o is not tested - I don't have (or want) the HW.
Signed-off-by: Grant Grundler <grundler@google.com>
Cc: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/scc_pata.c')
| -rw-r--r-- | drivers/ide/scc_pata.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c index 6d8dbd9c10bc..55e48db7d1be 100644 --- a/drivers/ide/scc_pata.c +++ b/drivers/ide/scc_pata.c @@ -337,7 +337,6 @@ static void scc_dma_start(ide_drive_t *drive) /* start DMA */ scc_ide_outb(dma_cmd | 1, hwif->dma_base); - wmb(); } static int __scc_dma_end(ide_drive_t *drive) @@ -354,7 +353,6 @@ static int __scc_dma_end(ide_drive_t *drive) /* clear the INTR & ERROR bits */ scc_ide_outb(dma_stat | 6, hwif->dma_base + 4); /* verify good DMA status */ - wmb(); return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0; } |