firewire: fw-ohci: refactor probe, remove, suspend, resume

Clean up shared code and variable names.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 312182d..92ff38f 100644 (file)
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -2054,17 +2054,9 @@ static const struct fw_card_driver ohci_driver = {
        .stop_iso               = ohci_stop_iso,
 };
 
-static int __devinit
-pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
-{
-       struct fw_ohci *ohci;
-       u32 bus_options, max_receive, link_speed;
-       u64 guid;
-       int err;
-       size_t size;
-
 #ifdef CONFIG_PPC_PMAC
-       /* Necessary on some machines if fw-ohci was loaded/ unloaded before */
+static void ohci_pmac_on(struct pci_dev *dev)
+{
        if (machine_is(powermac)) {
                struct device_node *ofn = pci_device_to_OF_node(dev);
 
@@ -2073,8 +2065,35 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
                        pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1);
                }
        }
+}
+
+static void ohci_pmac_off(struct pci_dev *dev)
+{
+       if (machine_is(powermac)) {
+               struct device_node *ofn = pci_device_to_OF_node(dev);
+
+               if (ofn) {
+                       pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0);
+                       pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0);
+               }
+       }
+}
+#else
+#define ohci_pmac_on(dev)
+#define ohci_pmac_off(dev)
 #endif /* CONFIG_PPC_PMAC */
 
+static int __devinit
+pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
+{
+       struct fw_ohci *ohci;
+       u32 bus_options, max_receive, link_speed;
+       u64 guid;
+       int err;
+       size_t size;
+
+       ohci_pmac_on(dev);
+
        ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
        if (ohci == NULL) {
                fw_error("Could not malloc fw_ohci data.\n");
@@ -2212,75 +2231,41 @@ static void pci_remove(struct pci_dev *dev)
        pci_release_region(dev, 0);
        pci_disable_device(dev);
        kfree(&ohci->card);
-
-#ifdef CONFIG_PPC_PMAC
-       /* On UniNorth, power down the cable and turn off the chip clock
-        * to save power on laptops */
-       if (machine_is(powermac)) {
-               struct device_node *ofn = pci_device_to_OF_node(dev);
-
-               if (ofn) {
-                       pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0);
-                       pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0);
-               }
-       }
-#endif /* CONFIG_PPC_PMAC */
+       ohci_pmac_off(dev);
 
        fw_notify("Removed fw-ohci device.\n");
 }
 
 #ifdef CONFIG_PM
-static int pci_suspend(struct pci_dev *pdev, pm_message_t state)
+static int pci_suspend(struct pci_dev *dev, pm_message_t state)
 {
-       struct fw_ohci *ohci = pci_get_drvdata(pdev);
+       struct fw_ohci *ohci = pci_get_drvdata(dev);
        int err;
 
        software_reset(ohci);
-       free_irq(pdev->irq, ohci);
-       err = pci_save_state(pdev);
+       free_irq(dev->irq, ohci);
+       err = pci_save_state(dev);
        if (err) {
                fw_error("pci_save_state failed\n");
                return err;
        }
-       err = pci_set_power_state(pdev, pci_choose_state(pdev, state));
+       err = pci_set_power_state(dev, pci_choose_state(dev, state));
        if (err)
                fw_error("pci_set_power_state failed with %d\n", err);
-
-/* PowerMac suspend code comes last */
-#ifdef CONFIG_PPC_PMAC
-       if (machine_is(powermac)) {
-               struct device_node *ofn = pci_device_to_OF_node(pdev);
-
-               if (ofn) {
-                       pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0);
-                       pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0);
-               }
-       }
-#endif /* CONFIG_PPC_PMAC */
+       ohci_pmac_off(dev);
 
        return 0;
 }
 
-static int pci_resume(struct pci_dev *pdev)
+static int pci_resume(struct pci_dev *dev)
 {
-       struct fw_ohci *ohci = pci_get_drvdata(pdev);
+       struct fw_ohci *ohci = pci_get_drvdata(dev);
        int err;
 
-/* PowerMac resume code comes first */
-#ifdef CONFIG_PPC_PMAC
-       if (machine_is(powermac)) {
-               struct device_node *ofn = pci_device_to_OF_node(pdev);
-
-               if (ofn) {
-                       pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 1);
-                       pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1);
-               }
-       }
-#endif /* CONFIG_PPC_PMAC */
-
-       pci_set_power_state(pdev, PCI_D0);
-       pci_restore_state(pdev);
-       err = pci_enable_device(pdev);
+       ohci_pmac_on(dev);
+       pci_set_power_state(dev, PCI_D0);
+       pci_restore_state(dev);
+       err = pci_enable_device(dev);
        if (err) {
                fw_error("pci_enable_device failed\n");
                return err;