diff options
Diffstat (limited to 'drivers/ide/ide-dma.c')
-rw-r--r-- | drivers/ide/ide-dma.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index 18c78ad2b31e..9d6dabbbf809 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c | |||
@@ -755,6 +755,7 @@ EXPORT_SYMBOL_GPL(ide_find_dma_mode); | |||
755 | 755 | ||
756 | static int ide_tune_dma(ide_drive_t *drive) | 756 | static int ide_tune_dma(ide_drive_t *drive) |
757 | { | 757 | { |
758 | ide_hwif_t *hwif = drive->hwif; | ||
758 | u8 speed; | 759 | u8 speed; |
759 | 760 | ||
760 | if (noautodma || drive->nodma || (drive->id->capability & 1) == 0) | 761 | if (noautodma || drive->nodma || (drive->id->capability & 1) == 0) |
@@ -767,15 +768,21 @@ static int ide_tune_dma(ide_drive_t *drive) | |||
767 | if (ide_id_dma_bug(drive)) | 768 | if (ide_id_dma_bug(drive)) |
768 | return 0; | 769 | return 0; |
769 | 770 | ||
770 | if (drive->hwif->host_flags & IDE_HFLAG_TRUST_BIOS_FOR_DMA) | 771 | if (hwif->host_flags & IDE_HFLAG_TRUST_BIOS_FOR_DMA) |
771 | return config_drive_for_dma(drive); | 772 | return config_drive_for_dma(drive); |
772 | 773 | ||
773 | speed = ide_max_dma_mode(drive); | 774 | speed = ide_max_dma_mode(drive); |
774 | 775 | ||
775 | if (!speed) | 776 | if (!speed) { |
776 | return 0; | 777 | /* is this really correct/needed? */ |
778 | if ((hwif->host_flags & IDE_HFLAG_CY82C693) && | ||
779 | ide_dma_good_drive(drive)) | ||
780 | return 1; | ||
781 | else | ||
782 | return 0; | ||
783 | } | ||
777 | 784 | ||
778 | if (drive->hwif->host_flags & IDE_HFLAG_NO_SET_MODE) | 785 | if (hwif->host_flags & IDE_HFLAG_NO_SET_MODE) |
779 | return 0; | 786 | return 0; |
780 | 787 | ||
781 | if (ide_set_dma_mode(drive, speed)) | 788 | if (ide_set_dma_mode(drive, speed)) |