diff options
Diffstat (limited to 'drivers/ide/pci/alim15x3.c')
| -rw-r--r-- | drivers/ide/pci/alim15x3.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/ide/pci/alim15x3.c b/drivers/ide/pci/alim15x3.c index 005402ab748b..f15c8879d2c1 100644 --- a/drivers/ide/pci/alim15x3.c +++ b/drivers/ide/pci/alim15x3.c @@ -1,5 +1,5 @@ /* - * linux/drivers/ide/pci/alim15x3.c Version 0.25 Jun 9 2007 + * linux/drivers/ide/pci/alim15x3.c Version 0.26 Jul 14 2007 * * Copyright (C) 1998-2000 Michel Aubry, Maintainer * Copyright (C) 1998-2000 Andrzej Krzysztofowicz, Maintainer @@ -418,6 +418,14 @@ static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed) u8 tmpbyte = 0x00; int m5229_udma = (hwif->channel) ? 0x57 : 0x56; + if (speed < XFER_PIO_0) + return 1; + + if (speed >= XFER_PIO_0 && speed <= XFER_PIO_5) { + ali_tune_pio(drive, speed - XFER_PIO_0); + return ide_config_drive_speed(drive, speed); + } + if (speed == XFER_UDMA_6) speed1 = 0x47; @@ -430,8 +438,9 @@ static int ali15x3_tune_chipset(ide_drive_t *drive, const u8 speed) tmpbyte &= ultra_enable; pci_write_config_byte(dev, m5229_udma, tmpbyte); - if (speed < XFER_SW_DMA_0) - ali_tune_pio(drive, speed - XFER_PIO_0); + /* + * FIXME: Oh, my... DMA timings are never set. + */ } else { pci_read_config_byte(dev, m5229_udma, &tmpbyte); tmpbyte &= (0x0f << ((1-unit) << 2)); |