diff options
Diffstat (limited to 'drivers/ide/pci/serverworks.c')
| -rw-r--r-- | drivers/ide/pci/serverworks.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c index 6234f806c6b5..47bcd91c9b5f 100644 --- a/drivers/ide/pci/serverworks.c +++ b/drivers/ide/pci/serverworks.c @@ -158,6 +158,12 @@ static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed) pci_read_config_word(dev, 0x4A, &csb5_pio); pci_read_config_byte(dev, 0x54, &ultra_enable); + /* If we are in RAID mode (eg AMI MegaIDE) then we can't it + turns out trust the firmware configuration */ + + if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) + goto oem_setup_failed; + /* Per Specified Design by OEM, and ASIC Architect */ if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) || (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) { @@ -173,7 +179,7 @@ dma_pio: ((dma_stat&(1<<(5+unit)))==(1<<(5+unit)))) { u8 dmaspeed = dma_timing; - dma_timing &= ~0xFF; + dma_timing &= ~0xFFU; if ((dmaspeed & 0x20) == 0x20) dmaspeed = XFER_MW_DMA_2; else if ((dmaspeed & 0x21) == 0x21) @@ -187,7 +193,7 @@ dma_pio: } else if (pio_timing) { u8 piospeed = pio_timing; - pio_timing &= ~0xFF; + pio_timing &= ~0xFFU; if ((piospeed & 0x20) == 0x20) piospeed = XFER_PIO_4; else if ((piospeed & 0x22) == 0x22) @@ -208,8 +214,8 @@ dma_pio: oem_setup_failed: - pio_timing &= ~0xFF; - dma_timing &= ~0xFF; + pio_timing &= ~0xFFU; + dma_timing &= ~0xFFU; ultra_timing &= ~(0x0F << (4*unit)); ultra_enable &= ~(0x01 << drive->dn); csb5_pio &= ~(0x0F << (4*drive->dn)); |
