}
/**
- * cpqhp_find_slot: find the struct slot of given device
+ * cpqhp_find_slot - find the struct slot of given device
* @ctrl: scan lots of this controller
* @device: the device id to find
*/
/**
- * sort_by_size: sort nodes on the list by their length, smallest first.
+ * sort_by_size - sort nodes on the list by their length, smallest first.
* @head: list to sort
- *
*/
static int sort_by_size(struct pci_resource **head)
{
/**
- * sort_by_max_size: sort nodes on the list by their length, largest first.
+ * sort_by_max_size - sort nodes on the list by their length, largest first.
* @head: list to sort
- *
*/
static int sort_by_max_size(struct pci_resource **head)
{
/**
- * do_pre_bridge_resource_split: find node of resources that are unused
- *
+ * do_pre_bridge_resource_split - find node of resources that are unused
+ * @head: new list head
+ * @orig_head: original list head
+ * @alignment: max node size (?)
*/
static struct pci_resource *do_pre_bridge_resource_split(struct pci_resource **head,
struct pci_resource **orig_head, u32 alignment)
/**
- * do_bridge_resource_split: find one node of resources that aren't in use
- *
+ * do_bridge_resource_split - find one node of resources that aren't in use
+ * @head: list head
+ * @alignment: max node size (?)
*/
static struct pci_resource *do_bridge_resource_split(struct pci_resource **head, u32 alignment)
{
/**
- * get_io_resource: find first node of given size not in ISA aliasing window.
+ * get_io_resource - find first node of given size not in ISA aliasing window.
* @head: list to search
* @size: size of node to find, must be a power of two.
*
- * Description: this function sorts the resource list by size and then returns
+ * Description: This function sorts the resource list by size and then returns
* returns the first node of "size" length that is not in the ISA aliasing
* window. If it finds a node larger than "size" it will split it up.
- *
*/
static struct pci_resource *get_io_resource(struct pci_resource **head, u32 size)
{
/**
- * get_max_resource: get largest node which has at least the given size.
+ * get_max_resource - get largest node which has at least the given size.
* @head: the list to search the node in
* @size: the minimum size of the node to find
*
/**
- * get_resource: find resource of given size and split up larger ones.
+ * get_resource - find resource of given size and split up larger ones.
* @head: the list to search for resources
* @size: the size limit to use
*
for (node = *head; node; node = node->next) {
dbg("%s: req_size =%x node=%p, base=%x, length=%x\n",
- __FUNCTION__, size, node, node->base, node->length);
+ __func__, size, node, node->base, node->length);
if (node->length < size)
continue;
if (node->base & (size - 1)) {
- dbg("%s: not aligned\n", __FUNCTION__);
+ dbg("%s: not aligned\n", __func__);
/* this one isn't base aligned properly
* so we'll make a new entry and split it up */
temp_dword = (node->base | (size-1)) + 1;
/* Don't need to check if too small since we already did */
if (node->length > size) {
- dbg("%s: too big\n", __FUNCTION__);
+ dbg("%s: too big\n", __func__);
/* this one is longer than we need
* so we'll make a new entry and split it up */
split_node = kmalloc(sizeof(*split_node), GFP_KERNEL);
node->next = split_node;
} /* End of too big on top end */
- dbg("%s: got one!!!\n", __FUNCTION__);
+ dbg("%s: got one!!!\n", __func__);
/* If we got here, then it is the right size
* Now take it out of the list */
if (*head == node) {
/**
- * cpqhp_resource_sort_and_combine: sort nodes by base addresses and clean up.
+ * cpqhp_resource_sort_and_combine - sort nodes by base addresses and clean up
* @head: the list to sort and clean up
*
* Description: Sorts all of the nodes in the list in ascending order by
* their base addresses. Also does garbage collection by
* combining adjacent nodes.
*
- * returns 0 if success
+ * Returns %0 if success.
*/
int cpqhp_resource_sort_and_combine(struct pci_resource **head)
{
struct pci_resource *node2;
int out_of_order = 1;
- dbg("%s: head = %p, *head = %p\n", __FUNCTION__, head, *head);
+ dbg("%s: head = %p, *head = %p\n", __func__, head, *head);
if (!(*head))
return 1;
/* Read to clear posted writes */
misc = readw(ctrl->hpc_reg + MISC);
- dbg ("%s - waking up\n", __FUNCTION__);
+ dbg ("%s - waking up\n", __func__);
wake_up_interruptible(&ctrl->queue);
}
/**
* cpqhp_slot_create - Creates a node and adds it to the proper bus.
- * @busnumber - bus where new node is to be located
+ * @busnumber: bus where new node is to be located
*
- * Returns pointer to the new node or NULL if unsuccessful
+ * Returns pointer to the new node or %NULL if unsuccessful.
*/
struct pci_func *cpqhp_slot_create(u8 busnumber)
{
* slot_remove - Removes a node from the linked list of slots.
* @old_slot: slot to remove
*
- * Returns 0 if successful, !0 otherwise.
+ * Returns %0 if successful, !0 otherwise.
*/
static int slot_remove(struct pci_func * old_slot)
{
* bridge_slot_remove - Removes a node from the linked list of slots.
* @bridge: bridge to remove
*
- * Returns 0 if successful, !0 otherwise.
+ * Returns %0 if successful, !0 otherwise.
*/
static int bridge_slot_remove(struct pci_func *bridge)
{
* cpqhp_slot_find - Looks for a node by bus, and device, multiple functions accessed
* @bus: bus to find
* @device: device to find
- * @index: is 0 for first function found, 1 for the second...
+ * @index: is %0 for first function found, %1 for the second...
*
* Returns pointer to the node if successful, %NULL otherwise.
*/
/**
- * set_controller_speed - set the frequency and/or mode of a specific
- * controller segment.
- *
+ * set_controller_speed - set the frequency and/or mode of a specific controller segment.
* @ctrl: controller to change frequency/mode for.
* @adapter_speed: the speed of the adapter we want to match.
* @hp_slot: the slot number where the adapter is installed.
*
- * Returns 0 if we successfully change frequency and/or mode to match the
+ * Returns %0 if we successfully change frequency and/or mode to match the
* adapter speed.
- *
*/
static u8 set_controller_speed(struct controller *ctrl, u8 adapter_speed, u8 hp_slot)
{
for(slot = ctrl->slot; slot; slot = slot->next) {
if (slot->device == (hp_slot + ctrl->slot_device_offset))
continue;
- if (!slot->hotplug_slot && !slot->hotplug_slot->info)
+ if (!slot->hotplug_slot || !slot->hotplug_slot->info)
continue;
if (slot->hotplug_slot->info->adapter_status == 0)
continue;
/**
* board_replaced - Called after a board has been replaced in the system.
+ * @func: PCI device/function information
+ * @ctrl: hotplug controller
*
- * This is only used if we don't have resources for hot add
- * Turns power on for the board
- * Checks to see if board is the same
- * If board is same, reconfigures it
+ * This is only used if we don't have resources for hot add.
+ * Turns power on for the board.
+ * Checks to see if board is the same.
+ * If board is same, reconfigures it.
* If board isn't same, turns it back off.
- *
*/
static u32 board_replaced(struct pci_func *func, struct controller *ctrl)
{
/**
* board_added - Called after a board has been added to the system.
+ * @func: PCI device/function info
+ * @ctrl: hotplug controller
*
- * Turns power on for the board
- * Configures board
- *
+ * Turns power on for the board.
+ * Configures board.
*/
static u32 board_added(struct pci_func *func, struct controller *ctrl)
{
hp_slot = func->device - ctrl->slot_device_offset;
dbg("%s: func->device, slot_offset, hp_slot = %d, %d ,%d\n",
- __FUNCTION__, func->device, ctrl->slot_device_offset, hp_slot);
+ __func__, func->device, ctrl->slot_device_offset, hp_slot);
mutex_lock(&ctrl->crit_sect);
/* turn on board and blink green LED */
- dbg("%s: before down\n", __FUNCTION__);
+ dbg("%s: before down\n", __func__);
mutex_lock(&ctrl->crit_sect);
- dbg("%s: after down\n", __FUNCTION__);
+ dbg("%s: after down\n", __func__);
- dbg("%s: before slot_enable\n", __FUNCTION__);
+ dbg("%s: before slot_enable\n", __func__);
slot_enable (ctrl, hp_slot);
- dbg("%s: before green_LED_blink\n", __FUNCTION__);
+ dbg("%s: before green_LED_blink\n", __func__);
green_LED_blink (ctrl, hp_slot);
- dbg("%s: before amber_LED_blink\n", __FUNCTION__);
+ dbg("%s: before amber_LED_blink\n", __func__);
amber_LED_off (ctrl, hp_slot);
- dbg("%s: before set_SOGO\n", __FUNCTION__);
+ dbg("%s: before set_SOGO\n", __func__);
set_SOGO(ctrl);
/* Wait for SOBS to be unset */
- dbg("%s: before wait_for_ctrl_irq\n", __FUNCTION__);
+ dbg("%s: before wait_for_ctrl_irq\n", __func__);
wait_for_ctrl_irq (ctrl);
- dbg("%s: after wait_for_ctrl_irq\n", __FUNCTION__);
+ dbg("%s: after wait_for_ctrl_irq\n", __func__);
- dbg("%s: before up\n", __FUNCTION__);
+ dbg("%s: before up\n", __func__);
mutex_unlock(&ctrl->crit_sect);
- dbg("%s: after up\n", __FUNCTION__);
+ dbg("%s: after up\n", __func__);
/* Wait for ~1 second because of hot plug spec */
- dbg("%s: before long_delay\n", __FUNCTION__);
+ dbg("%s: before long_delay\n", __func__);
long_delay(1*HZ);
- dbg("%s: after long_delay\n", __FUNCTION__);
+ dbg("%s: after long_delay\n", __func__);
- dbg("%s: func status = %x\n", __FUNCTION__, func->status);
+ dbg("%s: func status = %x\n", __func__, func->status);
/* Check for a power fault */
if (func->status == 0xFF) {
/* power fault occurred, but it was benign */
temp_register = 0xFFFFFFFF;
- dbg("%s: temp register set to %x by power fault\n", __FUNCTION__, temp_register);
+ dbg("%s: temp register set to %x by power fault\n", __func__, temp_register);
rc = POWER_FAILURE;
func->status = 0;
} else {
/* Get vendor/device ID u32 */
ctrl->pci_bus->number = func->bus;
rc = pci_bus_read_config_dword (ctrl->pci_bus, PCI_DEVFN(func->device, func->function), PCI_VENDOR_ID, &temp_register);
- dbg("%s: pci_read_config_dword returns %d\n", __FUNCTION__, rc);
- dbg("%s: temp_register is %x\n", __FUNCTION__, temp_register);
+ dbg("%s: pci_read_config_dword returns %d\n", __func__, rc);
+ dbg("%s: temp_register is %x\n", __func__, temp_register);
if (rc != 0) {
/* Something's wrong here */
temp_register = 0xFFFFFFFF;
- dbg("%s: temp register set to %x by error\n", __FUNCTION__, temp_register);
+ dbg("%s: temp register set to %x by error\n", __func__, temp_register);
}
/* Preset return code. It will be changed later if things go okay. */
rc = NO_ADAPTER_PRESENT;
rc = configure_new_device(ctrl, func, 0, &res_lists);
- dbg("%s: back from configure_new_device\n", __FUNCTION__);
+ dbg("%s: back from configure_new_device\n", __func__);
ctrl->io_head = res_lists.io_head;
ctrl->mem_head = res_lists.mem_head;
ctrl->p_mem_head = res_lists.p_mem_head;
/* next, we will instantiate the linux pci_dev structures (with
* appropriate driver notification, if already present) */
- dbg("%s: configure linux pci_dev structure\n", __FUNCTION__);
+ dbg("%s: configure linux pci_dev structure\n", __func__);
index = 0;
do {
new_slot = cpqhp_slot_find(ctrl->bus, func->device, index++);
/**
- * remove_board - Turns off slot and LED's
- *
+ * remove_board - Turns off slot and LEDs
+ * @func: PCI device/function info
+ * @replace_flag: whether replacing or adding a new device
+ * @ctrl: target controller
*/
static u32 remove_board(struct pci_func * func, u32 replace_flag, struct controller * ctrl)
{
device = func->device;
hp_slot = func->device - ctrl->slot_device_offset;
- dbg("In %s, hp_slot = %d\n", __FUNCTION__, hp_slot);
+ dbg("In %s, hp_slot = %d\n", __func__, hp_slot);
/* When we get here, it is safe to change base address registers.
* We will attempt to save the base address register lengths */
/**
- * cpqhp_pushbutton_thread
+ * cpqhp_pushbutton_thread - handle pushbutton events
+ * @slot: target slot (struct)
*
- * Scheduled procedure to handle blocking stuff for the pushbuttons
+ * Scheduled procedure to handle blocking stuff for the pushbuttons.
* Handles all pending events and exits.
- *
*/
void cpqhp_pushbutton_thread(unsigned long slot)
{
func = cpqhp_slot_find(p_slot->bus, p_slot->device, 0);
dbg("In power_down_board, func = %p, ctrl = %p\n", func, ctrl);
if (!func) {
- dbg("Error! func NULL in %s\n", __FUNCTION__);
+ dbg("Error! func NULL in %s\n", __func__);
return ;
}
func = cpqhp_slot_find(p_slot->bus, p_slot->device, 0);
dbg("In add_board, func = %p, ctrl = %p\n", func, ctrl);
if (!func) {
- dbg("Error! func NULL in %s\n", __FUNCTION__);
+ dbg("Error! func NULL in %s\n", __func__);
return ;
}
}
if (rc) {
- dbg("%s: rc = %d\n", __FUNCTION__, rc);
+ dbg("%s: rc = %d\n", __func__, rc);
}
if (p_slot)
}
/**
- * switch_leds: switch the leds, go from one site to the other.
+ * switch_leds - switch the leds, go from one site to the other.
* @ctrl: controller to use
* @num_of_slots: number of slots to use
+ * @work_LED: LED control value
* @direction: 1 to start from the left side, 0 to start right.
*/
static void switch_leds(struct controller *ctrl, const int num_of_slots,
}
/**
- * hardware_test - runs hardware tests
+ * cpqhp_hardware_test - runs hardware tests
+ * @ctrl: target controller
+ * @test_num: the number written to the "test" file in sysfs.
*
* For hot plug ctrl folks to play with.
- * test_num is the number written to the "test" file in sysfs
- *
*/
int cpqhp_hardware_test(struct controller *ctrl, int test_num)
{
/**
* configure_new_device - Configures the PCI header information of one board.
- *
* @ctrl: pointer to controller structure
* @func: pointer to function structure
* @behind_bridge: 1 if this is a recursive call, 0 if not
* @resources: pointer to set of resource lists
*
- * Returns 0 if success
- *
+ * Returns 0 if success.
*/
static u32 configure_new_device(struct controller * ctrl, struct pci_func * func,
u8 behind_bridge, struct resource_lists * resources)
new_slot = func;
- dbg("%s\n", __FUNCTION__);
+ dbg("%s\n", __func__);
/* Check for Multi-function device */
ctrl->pci_bus->number = func->bus;
rc = pci_bus_read_config_byte (ctrl->pci_bus, PCI_DEVFN(func->device, func->function), 0x0E, &temp_byte);
if (rc) {
- dbg("%s: rc = %d\n", __FUNCTION__, rc);
+ dbg("%s: rc = %d\n", __func__, rc);
return rc;
}
/**
* configure_new_function - Configures the PCI header information of one device
- *
* @ctrl: pointer to controller structure
* @func: pointer to function structure
* @behind_bridge: 1 if this is a recursive call, 0 if not
* @resources: pointer to set of resource lists
*
* Calls itself recursively for bridged devices.
- * Returns 0 if success
- *
+ * Returns 0 if success.
*/
static int configure_new_function(struct controller *ctrl, struct pci_func *func,
u8 behind_bridge,
projects / linux-2.6-omap-h63xx.git / blobdiff