libata: PCI device should be powered up before being accessed

[firefly-linux-kernel-4.4.55.git] / drivers / ata / pata_sis.c

diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index dc7e91562e436fafadab3d2796e328ac4cf5b351..abda90f5124753f880d339e6fb35c7d1b2a0d978 100644 (file)
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -862,6 +862,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
        struct pci_dev *host = NULL;
        struct sis_chipset *chipset = NULL;
        struct sis_chipset *sets;
+       int rc;
 
        static struct sis_chipset sis_chipsets[] = {
 
@@ -914,8 +915,11 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
                dev_printk(KERN_DEBUG, &pdev->dev,
                           "version " DRV_VERSION "\n");
 
-       /* We have to find the bridge first */
+       rc = pcim_enable_device(pdev);
+       if (rc)
+               return rc;
 
+       /* We have to find the bridge first */
        for (sets = &sis_chipsets[0]; sets->device; sets++) {
                host = pci_get_device(PCI_VENDOR_ID_SI, sets->device, NULL);
                if (host != NULL) {