diff options
Diffstat (limited to 'drivers/ide/ide-dma.c')
| -rw-r--r-- | drivers/ide/ide-dma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c index f9c91752f27..a0b8cab1d9a 100644 --- a/drivers/ide/ide-dma.c +++ b/drivers/ide/ide-dma.c @@ -261,6 +261,14 @@ static unsigned int ide_get_mode_mask(ide_drive_t *drive, u8 base, u8 req_mode) break; case XFER_MW_DMA_0: mask = id[ATA_ID_MWDMA_MODES]; + + /* Also look for the CF specific MWDMA modes... */ + if (ata_id_is_cfa(id) && (id[ATA_ID_CFA_MODES] & 0x38)) { + u8 mode = ((id[ATA_ID_CFA_MODES] & 0x38) >> 3) - 1; + + mask |= ((2 << mode) - 1) << 3; + } + if (port_ops && port_ops->mdma_filter) mask &= port_ops->mdma_filter(drive); else |