diff options
| author | David S. Miller <davem@davemloft.net> | 2009-04-16 17:35:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-04-16 17:35:26 -0700 |
| commit | a54bfa40fd16aeb90bc556189221576f746f8567 (patch) | |
| tree | 176bb7a99ffab5f42f0dd4e9671f335be3f3efa0 /drivers/ide/ide-dma-sff.c | |
| parent | fe957c40ec5e2763b9977c565beab3bde3aaf85b (diff) | |
| parent | 134ffb4cad92a6aa534e55a9be145bca780a32c1 (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/ide/ide-dma-sff.c')
| -rw-r--r-- | drivers/ide/ide-dma-sff.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c index 16fc46edc32..e4cdf78cc3e 100644 --- a/drivers/ide/ide-dma-sff.c +++ b/drivers/ide/ide-dma-sff.c @@ -277,8 +277,6 @@ void ide_dma_start(ide_drive_t *drive) dma_cmd = inb(hwif->dma_base + ATA_DMA_CMD); outb(dma_cmd | ATA_DMA_START, hwif->dma_base + ATA_DMA_CMD); } - - wmb(); } EXPORT_SYMBOL_GPL(ide_dma_start); @@ -286,7 +284,7 @@ EXPORT_SYMBOL_GPL(ide_dma_start); int ide_dma_end(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; - u8 dma_stat = 0, dma_cmd = 0, mask; + u8 dma_stat = 0, dma_cmd = 0; /* stop DMA */ if (hwif->host_flags & IDE_HFLAG_MMIO) { @@ -304,11 +302,10 @@ int ide_dma_end(ide_drive_t *drive) /* clear INTR & ERROR bits */ ide_dma_sff_write_status(hwif, dma_stat | ATA_DMA_ERR | ATA_DMA_INTR); - wmb(); +#define CHECK_DMA_MASK (ATA_DMA_ACTIVE | ATA_DMA_ERR | ATA_DMA_INTR) /* verify good DMA status */ - mask = ATA_DMA_ACTIVE | ATA_DMA_ERR | ATA_DMA_INTR; - if ((dma_stat & mask) != ATA_DMA_INTR) + if ((dma_stat & CHECK_DMA_MASK) != ATA_DMA_INTR) return 0x10 | dma_stat; return 0; } |