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[PATCH] shpchp: miscellaneous cleanups

Browse Source 
Remove un-necessary header includes, remove dead code, remove
some type casts, receive function return in the correct data
type...

Signed-off-by: Rajesh Shah <rajesh.shah@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
rajesh.shah@intel.com 2005-10-13 12:05:42 -07:00 committed by Greg Kroah-Hartman
parent 2178bfad9c
commit ee138334d5
9 changed files with 46 additions and 157 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/pci/hotplug/shpchp.h
View File

@ -32,8 +32,6 @@
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <asm/semaphore.h>
#include <asm/io.h>
#include "pci_hotplug.h"
#if !defined(MODULE)
@ -80,7 +78,7 @@ struct event_info {
struct controller {
struct controller *next;
struct semaphore crit_sect; /* critical section semaphore */
void * hpc_ctlr_handle; /* HPC controller handle */
struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */
int num_slots; /* Number of slots on ctlr */
int slot_num_inc; /* 1 or -1 */
struct pci_dev *pci_dev;
@ -234,7 +232,7 @@ enum ctrl_offsets {
SLOT11 = offsetof(struct ctrl_reg, slot11),
SLOT12 = offsetof(struct ctrl_reg, slot12),
};
typedef u8(*php_intr_callback_t) (unsigned int change_id, void *instance_id);
typedef u8(*php_intr_callback_t) (u8 hp_slot, void *instance_id);
struct php_ctlr_state_s {
struct php_ctlr_state_s *pnext;
struct pci_dev *pci_dev;
@ -347,11 +345,7 @@ enum php_ctlr_type {
ACPI
};
int shpc_init( struct controller *ctrl, struct pci_dev *pdev,
php_intr_callback_t attention_button_callback,
php_intr_callback_t switch_change_callback,
php_intr_callback_t presence_change_callback,
php_intr_callback_t power_fault_callback);
int shpc_init( struct controller *ctrl, struct pci_dev *pdev);
int shpc_get_ctlr_slot_config( struct controller *ctrl,
int *num_ctlr_slots,
@ -364,8 +358,6 @@ struct hpc_ops {
int (*power_on_slot ) (struct slot *slot);
int (*slot_enable ) (struct slot *slot);
int (*slot_disable ) (struct slot *slot);
int (*enable_all_slots) (struct slot *slot);
int (*pwr_on_all_slots) (struct slot *slot);
int (*set_bus_speed_mode) (struct slot *slot, enum pci_bus_speed speed);
int (*get_power_status) (struct slot *slot, u8 *status);
int (*get_attention_status) (struct slot *slot, u8 *status);

12
drivers/pci/hotplug/shpchp_core.c
View File

@ -27,17 +27,11 @@
*
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include "shpchp.h"
/* Global variables */
@ -381,11 +375,7 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dbg("DRV_thread pid = %d\n", current->pid);
rc = shpc_init(ctrl, pdev,
(php_intr_callback_t) shpchp_handle_attention_button,
(php_intr_callback_t) shpchp_handle_switch_change,
(php_intr_callback_t) shpchp_handle_presence_change,
(php_intr_callback_t) shpchp_handle_power_fault);
rc = shpc_init(ctrl, pdev);
if (rc) {
dbg("%s: controller initialization failed\n", SHPC_MODULE_NAME);
goto err_out_free_ctrl;

31
drivers/pci/hotplug/shpchp_ctrl.c
View File

@ -27,15 +27,9 @@
*
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/smp_lock.h>
#include <linux/pci.h>
#include "../pci.h"
@ -242,9 +236,10 @@ u8 shpchp_handle_power_fault(u8 hp_slot, void *inst_id)
/* The following routines constitute the bulk of the
hotplug controller logic
*/
static u32 change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum pci_bus_speed speed)
static int change_bus_speed(struct controller *ctrl, struct slot *p_slot,
enum pci_bus_speed speed)
{
u32 rc = 0;
int rc = 0;
dbg("%s: change to speed %d\n", __FUNCTION__, speed);
down(&ctrl->crit_sect);
@ -266,10 +261,11 @@ static u32 change_bus_speed(struct controller *ctrl, struct slot *p_slot, enum p
return rc;
}
static u32 fix_bus_speed(struct controller *ctrl, struct slot *pslot, u8 flag,
enum pci_bus_speed asp, enum pci_bus_speed bsp, enum pci_bus_speed msp)
static int fix_bus_speed(struct controller *ctrl, struct slot *pslot,
u8 flag, enum pci_bus_speed asp, enum pci_bus_speed bsp,
enum pci_bus_speed msp)
{
u32 rc = 0;
int rc = 0;
if (flag != 0) { /* Other slots on the same bus are occupied */
if ( asp < bsp ) {
@ -308,11 +304,11 @@ enum pci_bus_speed asp, enum pci_bus_speed bsp, enum pci_bus_speed msp)
* Configures board
*
*/
static u32 board_added(struct slot *p_slot)
static int board_added(struct slot *p_slot)
{
u8 hp_slot;
u8 slots_not_empty = 0;
u32 rc = 0;
int rc = 0;
enum pci_bus_speed adapter_speed, bus_speed, max_bus_speed;
u8 pi, mode;
struct controller *ctrl = p_slot->ctrl;
@ -580,11 +576,11 @@ static u32 board_added(struct slot *p_slot)
* remove_board - Turns off slot and LED's
*
*/
static u32 remove_board(struct slot *p_slot)
static int remove_board(struct slot *p_slot)
{
struct controller *ctrl = p_slot->ctrl;
u8 hp_slot;
u32 rc;
int rc;
if (shpchp_unconfigure_device(p_slot))
return(1);
@ -961,7 +957,6 @@ int shpchp_enable_slot (struct slot *p_slot)
int shpchp_disable_slot (struct slot *p_slot)
{
u8 getstatus = 0;
u32 rc = 0;
int ret = 0;
if (!p_slot->ctrl)
@ -990,8 +985,8 @@ int shpchp_disable_slot (struct slot *p_slot)
}
up(&p_slot->ctrl->crit_sect);
rc = remove_board(p_slot);
ret = remove_board(p_slot);
update_slot_info(p_slot);
return rc;
return ret;
}

126
drivers/pci/hotplug/shpchp_hpc.c
View File

@ -27,17 +27,10 @@
*
*/
#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <asm/system.h>
#include "shpchp.h"
#ifdef DEBUG
@ -282,7 +275,7 @@ static void start_int_poll_timer(struct php_ctlr_state_s *php_ctlr, int seconds)
static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u16 cmd_status;
int retval = 0;
u16 temp_word;
@ -328,7 +321,7 @@ static int shpc_write_cmd(struct slot *slot, u8 t_slot, u8 cmd)
static int hpc_check_cmd_status(struct controller *ctrl)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
u16 cmd_status;
int retval = 0;
@ -368,7 +361,7 @@ static int hpc_check_cmd_status(struct controller *ctrl)
static int hpc_get_attention_status(struct slot *slot, u8 *status)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 atten_led_state;
@ -408,7 +401,7 @@ static int hpc_get_attention_status(struct slot *slot, u8 *status)
static int hpc_get_power_status(struct slot * slot, u8 *status)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 slot_state;
@ -450,7 +443,7 @@ static int hpc_get_power_status(struct slot * slot, u8 *status)
static int hpc_get_latch_status(struct slot *slot, u8 *status)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
@ -473,7 +466,7 @@ static int hpc_get_latch_status(struct slot *slot, u8 *status)
static int hpc_get_adapter_status(struct slot *slot, u8 *status)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 card_state;
@ -496,7 +489,7 @@ static int hpc_get_adapter_status(struct slot *slot, u8 *status)
static int hpc_get_prog_int(struct slot *slot, u8 *prog_int)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
DBG_ENTER_ROUTINE
@ -513,7 +506,7 @@ static int hpc_get_prog_int(struct slot *slot, u8 *prog_int)
static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status, sec_bus_status;
u8 m66_cap, pcix_cap, pi;
@ -594,7 +587,7 @@ static int hpc_get_adapter_speed(struct slot *slot, enum pci_bus_speed *value)
static int hpc_get_mode1_ECC_cap(struct slot *slot, u8 *mode)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u16 sec_bus_status;
u8 pi;
int retval = 0;
@ -623,7 +616,7 @@ static int hpc_get_mode1_ECC_cap(struct slot *slot, u8 *mode)
static int hpc_query_power_fault(struct slot * slot)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u32 slot_reg;
u16 slot_status;
u8 pwr_fault_state, status;
@ -647,7 +640,7 @@ static int hpc_query_power_fault(struct slot * slot)
static int hpc_set_attention_status(struct slot *slot, u8 value)
{
struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd = 0;
int rc = 0;
@ -683,7 +676,7 @@ static int hpc_set_attention_status(struct slot *slot, u8 value)
static void hpc_set_green_led_on(struct slot *slot)
{
struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
if (!slot->ctrl->hpc_ctlr_handle) {
@ -705,7 +698,7 @@ static void hpc_set_green_led_on(struct slot *slot)
static void hpc_set_green_led_off(struct slot *slot)
{
struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
if (!slot->ctrl->hpc_ctlr_handle) {
@ -727,7 +720,7 @@ static void hpc_set_green_led_off(struct slot *slot)
static void hpc_set_green_led_blink(struct slot *slot)
{
struct php_ctlr_state_s *php_ctlr =(struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
if (!slot->ctrl->hpc_ctlr_handle) {
@ -754,7 +747,7 @@ int shpc_get_ctlr_slot_config(struct controller *ctrl,
int *updown, /* physical_slot_num increament: 1 or -1 */
int *flags)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
DBG_ENTER_ROUTINE
@ -776,7 +769,7 @@ int shpc_get_ctlr_slot_config(struct controller *ctrl,
static void hpc_release_ctlr(struct controller *ctrl)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *p, *p_prev;
DBG_ENTER_ROUTINE
@ -828,7 +821,7 @@ DBG_LEAVE_ROUTINE
static int hpc_power_on_slot(struct slot * slot)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
int retval = 0;
@ -859,7 +852,7 @@ static int hpc_power_on_slot(struct slot * slot)
static int hpc_slot_enable(struct slot * slot)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
int retval = 0;
@ -890,7 +883,7 @@ static int hpc_slot_enable(struct slot * slot)
static int hpc_slot_disable(struct slot * slot)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
u8 slot_cmd;
int retval = 0;
@ -920,51 +913,12 @@ static int hpc_slot_disable(struct slot * slot)
return retval;
}
static int hpc_enable_all_slots( struct slot *slot )
{
int retval = 0;
DBG_ENTER_ROUTINE
if (!slot->ctrl->hpc_ctlr_handle) {
err("%s: Invalid HPC controller handle!\n", __FUNCTION__);
return -1;
}
retval = shpc_write_cmd(slot, 0, SET_ENABLE_ALL);
if (retval) {
err("%s: Write command failed!\n", __FUNCTION__);
return -1;
}
DBG_LEAVE_ROUTINE
return retval;
}
static int hpc_pwr_on_all_slots(struct slot *slot)
{
int retval = 0;
DBG_ENTER_ROUTINE
retval = shpc_write_cmd(slot, 0, SET_PWR_ON_ALL);
if (retval) {
err("%s: Write command failed!\n", __FUNCTION__);
return -1;
}
DBG_LEAVE_ROUTINE
return retval;
}
static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value)
{
u8 slot_cmd;
u8 pi;
int retval = 0;
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
DBG_ENTER_ROUTINE
@ -1184,7 +1138,7 @@ static irqreturn_t shpc_isr(int IRQ, void *dev_id, struct pt_regs *regs)
static int hpc_get_max_bus_speed (struct slot *slot, enum pci_bus_speed *value)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN;
int retval = 0;
u8 pi;
@ -1253,7 +1207,7 @@ static int hpc_get_max_bus_speed (struct slot *slot, enum pci_bus_speed *value)
static int hpc_get_cur_bus_speed (struct slot *slot, enum pci_bus_speed *value)
{
struct php_ctlr_state_s *php_ctlr = (struct php_ctlr_state_s *) slot->ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *php_ctlr = slot->ctrl->hpc_ctlr_handle;
enum pci_bus_speed bus_speed = PCI_SPEED_UNKNOWN;
u16 sec_bus_status;
int retval = 0;
@ -1367,8 +1321,6 @@ static struct hpc_ops shpchp_hpc_ops = {
.power_on_slot = hpc_power_on_slot,
.slot_enable = hpc_slot_enable,
.slot_disable = hpc_slot_disable,
.enable_all_slots = hpc_enable_all_slots,
.pwr_on_all_slots = hpc_pwr_on_all_slots,
.set_bus_speed_mode = hpc_set_bus_speed_mode,
.set_attention_status = hpc_set_attention_status,
.get_power_status = hpc_get_power_status,
@ -1391,12 +1343,7 @@ static struct hpc_ops shpchp_hpc_ops = {
.check_cmd_status = hpc_check_cmd_status,
};
int shpc_init(struct controller * ctrl,
struct pci_dev * pdev,
php_intr_callback_t attention_button_callback,
php_intr_callback_t switch_change_callback,
php_intr_callback_t presence_change_callback,
php_intr_callback_t power_fault_callback)
int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
{
struct php_ctlr_state_s *php_ctlr, *p;
void *instance_id = ctrl;
@ -1405,7 +1352,6 @@ int shpc_init(struct controller * ctrl,
static int first = 1;
u32 shpc_cap_offset, shpc_base_offset;
u32 tempdword, slot_reg;
u16 vendor_id, device_id;
u8 i;
DBG_ENTER_ROUTINE
@ -1422,21 +1368,8 @@ int shpc_init(struct controller * ctrl,
php_ctlr->pci_dev = pdev; /* save pci_dev in context */
rc = pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor_id);
dbg("%s: Vendor ID: %x\n",__FUNCTION__, vendor_id);
if (rc) {
err("%s: unable to read PCI configuration data\n", __FUNCTION__);
goto abort_free_ctlr;
}
rc = pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id);
dbg("%s: Device ID: %x\n",__FUNCTION__, device_id);
if (rc) {
err("%s: unable to read PCI configuration data\n", __FUNCTION__);
goto abort_free_ctlr;
}
if ((vendor_id == PCI_VENDOR_ID_AMD) || (device_id == PCI_DEVICE_ID_AMD_GOLAM_7450)) {
if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
PCI_DEVICE_ID_AMD_GOLAM_7450)) {
shpc_base_offset = 0; /* amd shpc driver doesn't use this; assume 0 */
} else {
if ((shpc_cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC)) == 0) {
@ -1514,11 +1447,10 @@ int shpc_init(struct controller * ctrl,
php_ctlr->irq = pdev->irq;
dbg("HPC interrupt = %d\n", php_ctlr->irq);
/* Save interrupt callback info */
php_ctlr->attention_button_callback = attention_button_callback;
php_ctlr->switch_change_callback = switch_change_callback;
php_ctlr->presence_change_callback = presence_change_callback;
php_ctlr->power_fault_callback = power_fault_callback;
php_ctlr->attention_button_callback = shpchp_handle_attention_button,
php_ctlr->switch_change_callback = shpchp_handle_switch_change;
php_ctlr->presence_change_callback = shpchp_handle_presence_change;
php_ctlr->power_fault_callback = shpchp_handle_power_fault;
php_ctlr->callback_instance_id = instance_id;
/* Return PCI Controller Info */

4
drivers/pci/hotplug/shpchp_pci.c
View File

@ -27,13 +27,9 @@
*
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
#include <linux/proc_fs.h>
#include <linux/pci.h>
#include "../pci.h"
#include "shpchp.h"

3
drivers/pci/hotplug/shpchp_sysfs.c
View File

@ -26,12 +26,9 @@
*
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/workqueue.h>
#include <linux/pci.h>
#include "shpchp.h"

6
drivers/pci/hotplug/shpchprm_acpi.c
View File

@ -24,16 +24,10 @@
*
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <linux/efi.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/actypes.h>

4
drivers/pci/hotplug/shpchprm_legacy.c
View File

@ -27,15 +27,11 @@
*
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include "shpchp.h"
#include "shpchprm.h"
int shpchprm_get_physical_slot_number(struct controller *ctrl, u32 *sun, u8 busnum, u8 devnum)
{

3
drivers/pci/hotplug/shpchprm_nonacpi.c
View File

@ -32,10 +32,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include "shpchp.h"
#include "shpchprm.h"
int shpchprm_get_physical_slot_number(struct controller *ctrl, u32 *sun, u8 busnum, u8 devnum)
{