PCI Hotplug: cpqphp: clean up cpqphp_ctrl.c

Style and whitespace cleanups, no functional change.

Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

diff --git a/drivers/pci/hotplug/cpqphp_ctrl.c b/drivers/pci/hotplug/cpqphp_ctrl.c
index b02b8dddcf9febbfaa6eb79bd9ed05460e88c738..2fa47af992a8281ff1bfb43d5fd0e7c0c7bf2111 100644 (file)
--- a/drivers/pci/hotplug/cpqphp_ctrl.c
+++ b/drivers/pci/hotplug/cpqphp_ctrl.c
@@ -132,9 +132,8 @@ static struct slot *cpqhp_find_slot(struct controller *ctrl, u8 device)
 {
        struct slot *slot = ctrl->slot;
 
-       while (slot && (slot->device != device)) {
+       while (slot && (slot->device != device))
                slot = slot->next;
-       }
 
        return slot;
 }
@@ -549,10 +548,10 @@ static struct pci_resource *get_io_resource(struct pci_resource **head, u32 size
        if (!(*head))
                return NULL;
 
-       if ( cpqhp_resource_sort_and_combine(head) )
+       if (cpqhp_resource_sort_and_combine(head))
                return NULL;
 
-       if ( sort_by_size(head) )
+       if (sort_by_size(head))
                return NULL;
 
        for (node = *head; node; node = node->next) {
@@ -974,12 +973,8 @@ struct pci_func *cpqhp_slot_create(u8 busnumber)
        struct pci_func *next;
 
        new_slot = kzalloc(sizeof(*new_slot), GFP_KERNEL);
-       if (new_slot == NULL) {
-               /* I'm not dead yet!
-                * You will be.
-                */
+       if (new_slot == NULL)
                return new_slot;
-       }
 
        new_slot->next = NULL;
        new_slot->configured = 1;
@@ -1010,10 +1005,8 @@ static int slot_remove(struct pci_func * old_slot)
                return 1;
 
        next = cpqhp_slot_list[old_slot->bus];
-
-       if (next == NULL) {
+       if (next == NULL)
                return 1;
-       }
 
        if (next == old_slot) {
                cpqhp_slot_list[old_slot->bus] = old_slot->next;
@@ -1022,9 +1015,8 @@ static int slot_remove(struct pci_func * old_slot)
                return 0;
        }
 
-       while ((next->next != old_slot) && (next->next != NULL)) {
+       while ((next->next != old_slot) && (next->next != NULL))
                next = next->next;
-       }
 
        if (next->next == old_slot) {
                next->next = old_slot->next;
@@ -1054,9 +1046,8 @@ static int bridge_slot_remove(struct pci_func *bridge)
        for (tempBus = secondaryBus; tempBus <= subordinateBus; tempBus++) {
                next = cpqhp_slot_list[tempBus];
 
-               while (!slot_remove(next)) {
+               while (!slot_remove(next))
                        next = cpqhp_slot_list[tempBus];
-               }
        }
 
        next = cpqhp_slot_list[bridge->bus];
@@ -1286,17 +1277,17 @@ static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
 
        hp_slot = func->device - ctrl->slot_device_offset;
 
-       if (readl(ctrl->hpc_reg + INT_INPUT_CLEAR) & (0x01L << hp_slot)) {
-               /*
-                * The switch is open.
-                */
+       /*
+        * The switch is open.
+        */
+       if (readl(ctrl->hpc_reg + INT_INPUT_CLEAR) & (0x01L << hp_slot))
                rc = INTERLOCK_OPEN;
-       } else if (is_slot_enabled (ctrl, hp_slot)) {
-               /*
-                * The board is already on
-                */
+       /*
+        * The board is already on
+        */
+       else if (is_slot_enabled (ctrl, hp_slot))
                rc = CARD_FUNCTIONING;
-       } else {
+       else {
                mutex_lock(&ctrl->crit_sect);
 
                /* turn on board without attaching to the bus */
@@ -1542,7 +1533,7 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
        }
 
        /* All F's is an empty slot or an invalid board */
-       if (temp_register != 0xFFFFFFFF) {        /* Check for a board in the slot */
+       if (temp_register != 0xFFFFFFFF) {
                res_lists.io_head = ctrl->io_head;
                res_lists.mem_head = ctrl->mem_head;
                res_lists.p_mem_head = ctrl->p_mem_head;
@@ -1591,9 +1582,8 @@ static u32 board_added(struct pci_func *func, struct controller *ctrl)
                index = 0;
                do {
                        new_slot = cpqhp_slot_find(ctrl->bus, func->device, index++);
-                       if (new_slot && !new_slot->pci_dev) {
+                       if (new_slot && !new_slot->pci_dev)
                                cpqhp_configure_device(ctrl, new_slot);
-                       }
                } while (new_slot);
 
                mutex_lock(&ctrl->crit_sect);
@@ -2134,9 +2124,8 @@ int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func)
 
                                /* If the VGA Enable bit is set, remove isn't
                                 * supported */
-                               if (BCR & PCI_BRIDGE_CTL_VGA) {
+                               if (BCR & PCI_BRIDGE_CTL_VGA)
                                        rc = REMOVE_NOT_SUPPORTED;
-                               }
                        }
                }
 
@@ -2204,67 +2193,67 @@ int cpqhp_hardware_test(struct controller *ctrl, int test_num)
        num_of_slots = readb(ctrl->hpc_reg + SLOT_MASK) & 0x0f;
 
        switch (test_num) {
-               case 1:
-                       /* Do stuff here! */
-
-                       /* Do that funky LED thing */
-                       /* so we can restore them later */
-                       save_LED = readl(ctrl->hpc_reg + LED_CONTROL);
-                       work_LED = 0x01010101;
-                       switch_leds(ctrl, num_of_slots, &work_LED, 0);
-                       switch_leds(ctrl, num_of_slots, &work_LED, 1);
-                       switch_leds(ctrl, num_of_slots, &work_LED, 0);
-                       switch_leds(ctrl, num_of_slots, &work_LED, 1);
-
-                       work_LED = 0x01010000;
-                       writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
-                       switch_leds(ctrl, num_of_slots, &work_LED, 0);
-                       switch_leds(ctrl, num_of_slots, &work_LED, 1);
-                       work_LED = 0x00000101;
-                       writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
-                       switch_leds(ctrl, num_of_slots, &work_LED, 0);
-                       switch_leds(ctrl, num_of_slots, &work_LED, 1);
-
-                       work_LED = 0x01010000;
-                       writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
-                       for (loop = 0; loop < num_of_slots; loop++) {
-                               set_SOGO(ctrl);
+       case 1:
+               /* Do stuff here! */
+
+               /* Do that funky LED thing */
+               /* so we can restore them later */
+               save_LED = readl(ctrl->hpc_reg + LED_CONTROL);
+               work_LED = 0x01010101;
+               switch_leds(ctrl, num_of_slots, &work_LED, 0);
+               switch_leds(ctrl, num_of_slots, &work_LED, 1);
+               switch_leds(ctrl, num_of_slots, &work_LED, 0);
+               switch_leds(ctrl, num_of_slots, &work_LED, 1);
+
+               work_LED = 0x01010000;
+               writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
+               switch_leds(ctrl, num_of_slots, &work_LED, 0);
+               switch_leds(ctrl, num_of_slots, &work_LED, 1);
+               work_LED = 0x00000101;
+               writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
+               switch_leds(ctrl, num_of_slots, &work_LED, 0);
+               switch_leds(ctrl, num_of_slots, &work_LED, 1);
+
+               work_LED = 0x01010000;
+               writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
+               for (loop = 0; loop < num_of_slots; loop++) {
+                       set_SOGO(ctrl);
 
-                               /* Wait for SOGO interrupt */
-                               wait_for_ctrl_irq (ctrl);
+                       /* Wait for SOGO interrupt */
+                       wait_for_ctrl_irq (ctrl);
 
-                               /* Get ready for next iteration */
-                               long_delay((3*HZ)/10);
-                               work_LED = work_LED >> 16;
-                               writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
+                       /* Get ready for next iteration */
+                       long_delay((3*HZ)/10);
+                       work_LED = work_LED >> 16;
+                       writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
 
-                               set_SOGO(ctrl);
+                       set_SOGO(ctrl);
 
-                               /* Wait for SOGO interrupt */
-                               wait_for_ctrl_irq (ctrl);
+                       /* Wait for SOGO interrupt */
+                       wait_for_ctrl_irq (ctrl);
 
-                               /* Get ready for next iteration */
-                               long_delay((3*HZ)/10);
-                               work_LED = work_LED << 16;
-                               writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
-                               work_LED = work_LED << 1;
-                               writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
-                       }
+                       /* Get ready for next iteration */
+                       long_delay((3*HZ)/10);
+                       work_LED = work_LED << 16;
+                       writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
+                       work_LED = work_LED << 1;
+                       writel(work_LED, ctrl->hpc_reg + LED_CONTROL);
+               }
 
-                       /* put it back the way it was */
-                       writel(save_LED, ctrl->hpc_reg + LED_CONTROL);
+               /* put it back the way it was */
+               writel(save_LED, ctrl->hpc_reg + LED_CONTROL);
 
-                       set_SOGO(ctrl);
+               set_SOGO(ctrl);
 
-                       /* Wait for SOBS to be unset */
-                       wait_for_ctrl_irq (ctrl);
-                       break;
-               case 2:
-                       /* Do other stuff here! */
-                       break;
-               case 3:
-                       /* and more... */
-                       break;
+               /* Wait for SOBS to be unset */
+               wait_for_ctrl_irq (ctrl);
+               break;
+       case 2:
+               /* Do other stuff here! */
+               break;
+       case 3:
+               /* and more... */
+               break;
        }
        return 0;
 }
@@ -2333,9 +2322,9 @@ static u32 configure_new_device(struct controller * ctrl, struct pci_func * func
                while ((function < max_functions) && (!stop_it)) {
                        pci_bus_read_config_dword (ctrl->pci_bus, PCI_DEVFN(func->device, function), 0x00, &ID);
 
-                       if (ID == 0xFFFFFFFF) {   /* There's nothing there. */
+                       if (ID == 0xFFFFFFFF) {
                                function++;
-                       } else {  /* There's something there */
+                       } else {
                                /* Setup slot structure. */
                                new_slot = cpqhp_slot_create(func->bus);
 
@@ -2360,8 +2349,8 @@ static u32 configure_new_device(struct controller * ctrl, struct pci_func * func
 
 
 /*
-  Configuration logic that involves the hotplug data structures and
-  their bookkeeping
+ * Configuration logic that involves the hotplug data structures and
+ * their bookkeeping
  */
 
 
@@ -2414,7 +2403,7 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
        if (rc)
                return rc;
 
-       if ((temp_byte & 0x7F) == PCI_HEADER_TYPE_BRIDGE) { /* PCI-PCI Bridge */
+       if ((temp_byte & 0x7F) == PCI_HEADER_TYPE_BRIDGE) {
                /* set Primary bus */
                dbg("set Primary bus = %d\n", func->bus);
                rc = pci_bus_write_config_byte(pci_bus, devfn, PCI_PRIMARY_BUS, func->bus);
@@ -2956,11 +2945,10 @@ static int configure_new_function(struct controller *ctrl, struct pci_func *func
                                /* Program IRQ based on card type */
                                rc = pci_bus_read_config_byte (pci_bus, devfn, 0x0B, &class_code);
 
-                               if (class_code == PCI_BASE_CLASS_STORAGE) {
+                               if (class_code == PCI_BASE_CLASS_STORAGE)
                                        IRQ = cpqhp_disk_irq;
-                               } else {
+                               else
                                        IRQ = cpqhp_nic_irq;
-                               }
                        }
 
                        /* IRQ Line */