1 files changed, 4 insertions, 5 deletions

diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index 90c53b88a1ee..deec0cef88d9 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -584,7 +584,6 @@ static void pci_enable_intx(struct pci_dev *pdev)
 static int piix_disable_ahci(struct pci_dev *pdev)
 {
         void __iomem *mmio;
-        unsigned long addr;
         u32 tmp;
         int rc = 0;
 
@@ -592,11 +591,11 @@ static int piix_disable_ahci(struct pci_dev *pdev)
          * works because this device is usually set up by BIOS.
          */
 
-        addr = pci_resource_start(pdev, AHCI_PCI_BAR);
-        if (!addr || !pci_resource_len(pdev, AHCI_PCI_BAR))
+        if (!pci_resource_start(pdev, AHCI_PCI_BAR) ||
+            !pci_resource_len(pdev, AHCI_PCI_BAR))
                 return 0;
 
-        mmio = ioremap(addr, 64);
+        mmio = pci_iomap(pdev, AHCI_PCI_BAR, 64);
         if (!mmio)
                 return -ENOMEM;
 
@@ -610,7 +609,7 @@ static int piix_disable_ahci(struct pci_dev *pdev)
                         rc = -EIO;
         }
 
-        iounmap(mmio);
+        pci_iounmap(pdev, mmio);
         return rc;
 }