1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 6978469eb16d..53f5afd9420c 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -2241,7 +2241,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         if (rc)
                 return rc;
 
-        rc = pcim_iomap_regions(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
+        /* AHCI controllers often implement SFF compatible interface.
+         * Grab all PCI BARs just in case.
+         */
+        rc = pcim_iomap_regions_request_all(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
         if (rc == -EBUSY)
                 pcim_pin_device(pdev);
         if (rc)