1 files changed, 4 insertions, 7 deletions

diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index 9a9474f534e5..5af74ea1d46e 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -592,8 +592,7 @@ ide_init_sgiioc4(ide_hwif_t * hwif)
         if (hwif->dma_base == 0)
                 return;
 
-        hwif->atapi_dma = 1;
-        hwif->mwdma_mask = 0x04;
+        hwif->mwdma_mask = ATA_MWDMA2_ONLY;
 
         hwif->dma_setup = &sgiioc4_ide_dma_setup;
         hwif->dma_start = &sgiioc4_ide_dma_start;
@@ -692,14 +691,12 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 static unsigned int __devinit
 pci_init_sgiioc4(struct pci_dev *dev)
 {
-        unsigned int class_rev;
         int ret;
 
-        pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-        class_rev &= 0xff;
         printk(KERN_INFO "%s: IDE controller at PCI slot %s, revision %d\n",
-                         DRV_NAME, pci_name(dev), class_rev);
-        if (class_rev < IOC4_SUPPORTED_FIRMWARE_REV) {
+                         DRV_NAME, pci_name(dev), dev->revision);
+
+        if (dev->revision < IOC4_SUPPORTED_FIRMWARE_REV) {
                 printk(KERN_ERR "Skipping %s IDE controller in slot %s: "
                                 "firmware is obsolete - please upgrade to "
                                 "revision46 or higher\n",