diff options
Diffstat (limited to 'drivers/ide/ide-probe.c')
| -rw-r--r-- | drivers/ide/ide-probe.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index d2faef17e54..e0316869eb6 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1356,9 +1356,6 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port, if (d->init_iops) d->init_iops(hwif); - if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0) - ide_hwif_setup_dma(hwif, d); - if ((!hwif->irq && (d->host_flags & IDE_HFLAG_LEGACY_IRQS)) || (d->host_flags & IDE_HFLAG_FORCE_LEGACY_IRQS)) hwif->irq = port ? 15 : 14; @@ -1377,9 +1374,21 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port, hwif->mwdma_mask = d->mwdma_mask; hwif->ultra_mask = d->udma_mask; - /* reset DMA masks only for SFF-style DMA controllers */ - if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0 && hwif->dma_base == 0) - hwif->swdma_mask = hwif->mwdma_mask = hwif->ultra_mask = 0; + if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0) { + int rc; + + if (d->init_dma) + rc = d->init_dma(hwif, d); + else + rc = ide_hwif_setup_dma(hwif, d); + + if (rc < 0) { + printk(KERN_INFO "%s: DMA disabled\n", hwif->name); + hwif->swdma_mask = 0; + hwif->mwdma_mask = 0; + hwif->ultra_mask = 0; + } + } if (d->host_flags & IDE_HFLAG_RQSIZE_256) hwif->rqsize = 256; |