sata_via: fix resource-managed iomap conversion

Conversion to resource-managed iomap was buggy causing init failures
on both vt6420 and 6421 - BAR5 wasn't mapped for both controllers
while on vt6420 sata_via tried to map BAR0-4 twice.  Fix it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 17 insertions, 5 deletions

diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index baca6d79bb0b..fe9101a1dadc 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -423,16 +423,21 @@ static struct ata_probe_ent *vt6420_init_probe_ent(struct pci_dev *pdev)
 {
         struct ata_probe_ent *probe_ent;
         struct ata_port_info *ppi[2];
-        void __iomem * const *iomap;
+        void __iomem *bar5;
 
         ppi[0] = ppi[1] = &vt6420_port_info;
         probe_ent = ata_pci_init_native_mode(pdev, ppi, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
         if (!probe_ent)
                 return NULL;
 
-        iomap = pcim_iomap_table(pdev);
-        probe_ent->port[0].scr_addr = svia_scr_addr(iomap[5], 0);
-        probe_ent->port[1].scr_addr = svia_scr_addr(iomap[5], 1);
+        bar5 = pcim_iomap(pdev, 5, 0);
+        if (!bar5) {
+                dev_printk(KERN_ERR, &pdev->dev, "failed to iomap PCI BAR 5\n");
+                return NULL;
+        }
+
+        probe_ent->port[0].scr_addr = svia_scr_addr(bar5, 0);
+        probe_ent->port[1].scr_addr = svia_scr_addr(bar5, 1);
 
         return probe_ent;
 }
@@ -460,6 +465,13 @@ static struct ata_probe_ent *vt6421_init_probe_ent(struct pci_dev *pdev)
         probe_ent->mwdma_mask   = 0x07;
         probe_ent->udma_mask    = 0x7f;
 
+        for (i = 0; i < 6; i++)
+                if (!pcim_iomap(pdev, i, 0)) {
+                        dev_printk(KERN_ERR, &pdev->dev,
+                                   "failed to iomap PCI BAR %d\n", i);
+                        return NULL;
+                }
+
         for (i = 0; i < N_PORTS; i++)
                 vt6421_init_addrs(probe_ent, pcim_iomap_table(pdev), i);
 
@@ -522,7 +534,7 @@ static int svia_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         if (rc)
                 return rc;
 
-        rc = pcim_iomap_regions(pdev, 0x1f, DRV_NAME);
+        rc = pci_request_regions(pdev, DRV_NAME);
         if (rc) {
                 pcim_pin_device(pdev);
                 return rc;