1 files changed, 17 insertions, 18 deletions

diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 8ac4e62bf1f4..2c2fe59a0d9e 100644
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -232,7 +232,7 @@ static void sl82c105_resetproc(ide_drive_t *drive)
  * Return the revision of the Winbond bridge
  * which this function is part of.
  */
-static unsigned int sl82c105_bridge_revision(struct pci_dev *dev)
+static u8 sl82c105_bridge_revision(struct pci_dev *dev)
 {
         struct pci_dev *bridge;
 
@@ -287,27 +287,11 @@ static unsigned int __devinit init_chipset_sl82c105(struct pci_dev *dev, const c
  */
 static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
 {
-        struct pci_dev *dev = to_pci_dev(hwif->dev);
-        unsigned int rev;
-
         DBG(("init_hwif_sl82c105(hwif: ide%d)\n", hwif->index));
 
         if (!hwif->dma_base)
                 return;
 
-        rev = sl82c105_bridge_revision(dev);
-        if (rev <= 5) {
-                /*
-                 * Never ever EVER under any circumstances enable
-                 * DMA when the bridge is this old.
-                 */
-                printk("    %s: Winbond W83C553 bridge revision %d, "
-                       "BM-DMA disabled\n", hwif->name, rev);
-                return;
-        }
-
-        hwif->mwdma_mask = ATA_MWDMA2;
-
         hwif->dma_lost_irq              = &sl82c105_dma_lost_irq;
         hwif->dma_start                 = &sl82c105_dma_start;
         hwif->ide_dma_end               = &sl82c105_dma_end;
@@ -337,11 +321,26 @@ static const struct ide_port_info sl82c105_chipset __devinitdata = {
 #endif
                           IDE_HFLAG_NO_AUTODMA,
         .pio_mask       = ATA_PIO5,
+        .mwdma_mask     = ATA_MWDMA2,
 };
 
 static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-        return ide_setup_pci_device(dev, &sl82c105_chipset);
+        struct ide_port_info d = sl82c105_chipset;
+        u8 rev = sl82c105_bridge_revision(dev);
+
+        if (rev <= 5) {
+                /*
+                 * Never ever EVER under any circumstances enable
+                 * DMA when the bridge is this old.
+                 */
+                printk(KERN_INFO "W82C105_IDE: Winbond W83C553 bridge "
+                                 "revision %d, BM-DMA disabled\n", rev);
+                d.init_hwif = NULL;
+                d.mwdma_mask = 0;
+        }
+
+        return ide_setup_pci_device(dev, &d);
 }
 
 static const struct pci_device_id sl82c105_pci_tbl[] = {