pata_cmd64x: add cmd64x_fixup()

Factor out common code from cmd64x_[re]init_one() to cmd64x_fixup().

Remove stale comment and fix a minor CodingStyle issue while at it.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 20 insertions, 22 deletions

diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c
index 7bafc16cf5e0..b8f2a64bef7b 100644
--- a/drivers/ata/pata_cmd64x.c
+++ b/drivers/ata/pata_cmd64x.c
@@ -288,6 +288,22 @@ static struct ata_port_operations cmd648_port_ops = {
         .cable_detect   = cmd648_cable_detect,
 };
 
+static void cmd64x_fixup(struct pci_dev *pdev)
+{
+        u8 mrdmode;
+
+        pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
+        pci_read_config_byte(pdev, MRDMODE, &mrdmode);
+        mrdmode &= ~0x30;       /* IRQ set up */
+        mrdmode |= 0x02;        /* Memory read line enable */
+        pci_write_config_byte(pdev, MRDMODE, mrdmode);
+
+        /* PPC specific fixup copied from old driver */
+#ifdef CONFIG_PPC
+        pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
+#endif
+}
+
 static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 {
         static const struct ata_port_info cmd_info[6] = {
@@ -336,7 +352,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                 &cmd_info[id->driver_data],
                 NULL
         };
-        u8 mrdmode, reg;
+        u8 reg;
         int rc;
         struct pci_dev *bridge = pdev->bus->self;
         /* mobility split bridges don't report enabled ports correctly */
@@ -368,11 +384,7 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                         cntrl_ch0_ok = 0;
         }
 
-        pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
-        pci_read_config_byte(pdev, MRDMODE, &mrdmode);
-        mrdmode &= ~ 0x30;      /* IRQ set up */
-        mrdmode |= 0x02;        /* Memory read line enable */
-        pci_write_config_byte(pdev, MRDMODE, mrdmode);
+        cmd64x_fixup(pdev);
 
         /* check for enabled ports */
         pci_read_config_byte(pdev, CNTRL, &reg);
@@ -388,13 +400,6 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                 ppi[1] = &ata_dummy_port_info;
         }
 
-        /* Force PIO 0 here.. */
-
-        /* PPC specific fixup copied from old driver */
-#ifdef CONFIG_PPC
-        pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
-#endif
-
         return ata_pci_bmdma_init_one(pdev, ppi, &cmd64x_sht, NULL, 0);
 }
 
@@ -402,21 +407,14 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 static int cmd64x_reinit_one(struct pci_dev *pdev)
 {
         struct ata_host *host = dev_get_drvdata(&pdev->dev);
-        u8 mrdmode;
         int rc;
 
         rc = ata_pci_device_do_resume(pdev);
         if (rc)
                 return rc;
 
-        pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
-        pci_read_config_byte(pdev, MRDMODE, &mrdmode);
-        mrdmode &= ~ 0x30;      /* IRQ set up */
-        mrdmode |= 0x02;        /* Memory read line enable */
-        pci_write_config_byte(pdev, MRDMODE, mrdmode);
-#ifdef CONFIG_PPC
-        pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
-#endif
+        cmd64x_fixup(pdev);
+
         ata_host_resume(host);
         return 0;
 }