PCI Hotplug: cpqphp: remove useless prototypes in cpqphp_core.c
Impact: refactor Refactor code to follow convention more closely and eliminate the need for some useless prototypes. No functional change. Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
parent
86a58023e4
commit
b4d897a48d
drivers/pci/hotplug
|
@ -77,33 +77,6 @@ MODULE_PARM_DESC(debug, "Debugging mode enabled or not");
|
|||
|
||||
#define CPQHPC_MODULE_MINOR 208
|
||||
|
||||
static int one_time_init (void);
|
||||
static int set_attention_status (struct hotplug_slot *slot, u8 value);
|
||||
static int process_SI (struct hotplug_slot *slot);
|
||||
static int process_SS (struct hotplug_slot *slot);
|
||||
static int hardware_test (struct hotplug_slot *slot, u32 value);
|
||||
static int get_power_status (struct hotplug_slot *slot, u8 *value);
|
||||
static int get_attention_status (struct hotplug_slot *slot, u8 *value);
|
||||
static int get_latch_status (struct hotplug_slot *slot, u8 *value);
|
||||
static int get_adapter_status (struct hotplug_slot *slot, u8 *value);
|
||||
static int get_max_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value);
|
||||
static int get_cur_bus_speed (struct hotplug_slot *slot, enum pci_bus_speed *value);
|
||||
|
||||
static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.set_attention_status = set_attention_status,
|
||||
.enable_slot = process_SI,
|
||||
.disable_slot = process_SS,
|
||||
.hardware_test = hardware_test,
|
||||
.get_power_status = get_power_status,
|
||||
.get_attention_status = get_attention_status,
|
||||
.get_latch_status = get_latch_status,
|
||||
.get_adapter_status = get_adapter_status,
|
||||
.get_max_bus_speed = get_max_bus_speed,
|
||||
.get_cur_bus_speed = get_cur_bus_speed,
|
||||
};
|
||||
|
||||
|
||||
static inline int is_slot64bit(struct slot *slot)
|
||||
{
|
||||
return (readb(slot->p_sm_slot + SMBIOS_SLOT_WIDTH) == 0x06) ? 1 : 0;
|
||||
|
@ -322,145 +295,6 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
|
|||
kfree(slot);
|
||||
}
|
||||
|
||||
#define SLOT_NAME_SIZE 10
|
||||
|
||||
static int ctrl_slot_setup(struct controller *ctrl,
|
||||
void __iomem *smbios_start,
|
||||
void __iomem *smbios_table)
|
||||
{
|
||||
struct slot *slot;
|
||||
struct hotplug_slot *hotplug_slot;
|
||||
struct hotplug_slot_info *hotplug_slot_info;
|
||||
u8 number_of_slots;
|
||||
u8 slot_device;
|
||||
u8 slot_number;
|
||||
u8 ctrl_slot;
|
||||
u32 tempdword;
|
||||
char name[SLOT_NAME_SIZE];
|
||||
void __iomem *slot_entry= NULL;
|
||||
int result = -ENOMEM;
|
||||
|
||||
dbg("%s\n", __func__);
|
||||
|
||||
tempdword = readl(ctrl->hpc_reg + INT_INPUT_CLEAR);
|
||||
|
||||
number_of_slots = readb(ctrl->hpc_reg + SLOT_MASK) & 0x0F;
|
||||
slot_device = readb(ctrl->hpc_reg + SLOT_MASK) >> 4;
|
||||
slot_number = ctrl->first_slot;
|
||||
|
||||
while (number_of_slots) {
|
||||
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
|
||||
if (!slot)
|
||||
goto error;
|
||||
|
||||
slot->hotplug_slot = kzalloc(sizeof(*(slot->hotplug_slot)),
|
||||
GFP_KERNEL);
|
||||
if (!slot->hotplug_slot)
|
||||
goto error_slot;
|
||||
hotplug_slot = slot->hotplug_slot;
|
||||
|
||||
hotplug_slot->info =
|
||||
kzalloc(sizeof(*(hotplug_slot->info)),
|
||||
GFP_KERNEL);
|
||||
if (!hotplug_slot->info)
|
||||
goto error_hpslot;
|
||||
hotplug_slot_info = hotplug_slot->info;
|
||||
|
||||
slot->ctrl = ctrl;
|
||||
slot->bus = ctrl->bus;
|
||||
slot->device = slot_device;
|
||||
slot->number = slot_number;
|
||||
dbg("slot->number = %u\n", slot->number);
|
||||
|
||||
slot_entry = get_SMBIOS_entry(smbios_start, smbios_table, 9,
|
||||
slot_entry);
|
||||
|
||||
while (slot_entry && (readw(slot_entry + SMBIOS_SLOT_NUMBER) !=
|
||||
slot->number)) {
|
||||
slot_entry = get_SMBIOS_entry(smbios_start,
|
||||
smbios_table, 9, slot_entry);
|
||||
}
|
||||
|
||||
slot->p_sm_slot = slot_entry;
|
||||
|
||||
init_timer(&slot->task_event);
|
||||
slot->task_event.expires = jiffies + 5 * HZ;
|
||||
slot->task_event.function = cpqhp_pushbutton_thread;
|
||||
|
||||
/*FIXME: these capabilities aren't used but if they are
|
||||
* they need to be correctly implemented
|
||||
*/
|
||||
slot->capabilities |= PCISLOT_REPLACE_SUPPORTED;
|
||||
slot->capabilities |= PCISLOT_INTERLOCK_SUPPORTED;
|
||||
|
||||
if (is_slot64bit(slot))
|
||||
slot->capabilities |= PCISLOT_64_BIT_SUPPORTED;
|
||||
if (is_slot66mhz(slot))
|
||||
slot->capabilities |= PCISLOT_66_MHZ_SUPPORTED;
|
||||
if (ctrl->speed == PCI_SPEED_66MHz)
|
||||
slot->capabilities |= PCISLOT_66_MHZ_OPERATION;
|
||||
|
||||
ctrl_slot =
|
||||
slot_device - (readb(ctrl->hpc_reg + SLOT_MASK) >> 4);
|
||||
|
||||
/* Check presence */
|
||||
slot->capabilities |=
|
||||
((((~tempdword) >> 23) |
|
||||
((~tempdword) >> 15)) >> ctrl_slot) & 0x02;
|
||||
/* Check the switch state */
|
||||
slot->capabilities |=
|
||||
((~tempdword & 0xFF) >> ctrl_slot) & 0x01;
|
||||
/* Check the slot enable */
|
||||
slot->capabilities |=
|
||||
((read_slot_enable(ctrl) << 2) >> ctrl_slot) & 0x04;
|
||||
|
||||
/* register this slot with the hotplug pci core */
|
||||
hotplug_slot->release = &release_slot;
|
||||
hotplug_slot->private = slot;
|
||||
snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
|
||||
hotplug_slot->ops = &cpqphp_hotplug_slot_ops;
|
||||
|
||||
hotplug_slot_info->power_status = get_slot_enabled(ctrl, slot);
|
||||
hotplug_slot_info->attention_status =
|
||||
cpq_get_attention_status(ctrl, slot);
|
||||
hotplug_slot_info->latch_status =
|
||||
cpq_get_latch_status(ctrl, slot);
|
||||
hotplug_slot_info->adapter_status =
|
||||
get_presence_status(ctrl, slot);
|
||||
|
||||
dbg("registering bus %d, dev %d, number %d, "
|
||||
"ctrl->slot_device_offset %d, slot %d\n",
|
||||
slot->bus, slot->device,
|
||||
slot->number, ctrl->slot_device_offset,
|
||||
slot_number);
|
||||
result = pci_hp_register(hotplug_slot,
|
||||
ctrl->pci_dev->bus,
|
||||
slot->device,
|
||||
name);
|
||||
if (result) {
|
||||
err("pci_hp_register failed with error %d\n", result);
|
||||
goto error_info;
|
||||
}
|
||||
|
||||
slot->next = ctrl->slot;
|
||||
ctrl->slot = slot;
|
||||
|
||||
number_of_slots--;
|
||||
slot_device++;
|
||||
slot_number++;
|
||||
}
|
||||
|
||||
return 0;
|
||||
error_info:
|
||||
kfree(hotplug_slot_info);
|
||||
error_hpslot:
|
||||
kfree(hotplug_slot);
|
||||
error_slot:
|
||||
kfree(slot);
|
||||
error:
|
||||
return result;
|
||||
}
|
||||
|
||||
static int ctrl_slot_cleanup (struct controller * ctrl)
|
||||
{
|
||||
struct slot *old_slot, *next_slot;
|
||||
|
@ -793,6 +627,230 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
|
|||
return 0;
|
||||
}
|
||||
|
||||
static struct hotplug_slot_ops cpqphp_hotplug_slot_ops = {
|
||||
.owner = THIS_MODULE,
|
||||
.set_attention_status = set_attention_status,
|
||||
.enable_slot = process_SI,
|
||||
.disable_slot = process_SS,
|
||||
.hardware_test = hardware_test,
|
||||
.get_power_status = get_power_status,
|
||||
.get_attention_status = get_attention_status,
|
||||
.get_latch_status = get_latch_status,
|
||||
.get_adapter_status = get_adapter_status,
|
||||
.get_max_bus_speed = get_max_bus_speed,
|
||||
.get_cur_bus_speed = get_cur_bus_speed,
|
||||
};
|
||||
|
||||
#define SLOT_NAME_SIZE 10
|
||||
|
||||
static int ctrl_slot_setup(struct controller *ctrl,
|
||||
void __iomem *smbios_start,
|
||||
void __iomem *smbios_table)
|
||||
{
|
||||
struct slot *slot;
|
||||
struct hotplug_slot *hotplug_slot;
|
||||
struct hotplug_slot_info *hotplug_slot_info;
|
||||
u8 number_of_slots;
|
||||
u8 slot_device;
|
||||
u8 slot_number;
|
||||
u8 ctrl_slot;
|
||||
u32 tempdword;
|
||||
char name[SLOT_NAME_SIZE];
|
||||
void __iomem *slot_entry= NULL;
|
||||
int result = -ENOMEM;
|
||||
|
||||
dbg("%s\n", __func__);
|
||||
|
||||
tempdword = readl(ctrl->hpc_reg + INT_INPUT_CLEAR);
|
||||
|
||||
number_of_slots = readb(ctrl->hpc_reg + SLOT_MASK) & 0x0F;
|
||||
slot_device = readb(ctrl->hpc_reg + SLOT_MASK) >> 4;
|
||||
slot_number = ctrl->first_slot;
|
||||
|
||||
while (number_of_slots) {
|
||||
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
|
||||
if (!slot)
|
||||
goto error;
|
||||
|
||||
slot->hotplug_slot = kzalloc(sizeof(*(slot->hotplug_slot)),
|
||||
GFP_KERNEL);
|
||||
if (!slot->hotplug_slot)
|
||||
goto error_slot;
|
||||
hotplug_slot = slot->hotplug_slot;
|
||||
|
||||
hotplug_slot->info =
|
||||
kzalloc(sizeof(*(hotplug_slot->info)),
|
||||
GFP_KERNEL);
|
||||
if (!hotplug_slot->info)
|
||||
goto error_hpslot;
|
||||
hotplug_slot_info = hotplug_slot->info;
|
||||
|
||||
slot->ctrl = ctrl;
|
||||
slot->bus = ctrl->bus;
|
||||
slot->device = slot_device;
|
||||
slot->number = slot_number;
|
||||
dbg("slot->number = %u\n", slot->number);
|
||||
|
||||
slot_entry = get_SMBIOS_entry(smbios_start, smbios_table, 9,
|
||||
slot_entry);
|
||||
|
||||
while (slot_entry && (readw(slot_entry + SMBIOS_SLOT_NUMBER) !=
|
||||
slot->number)) {
|
||||
slot_entry = get_SMBIOS_entry(smbios_start,
|
||||
smbios_table, 9, slot_entry);
|
||||
}
|
||||
|
||||
slot->p_sm_slot = slot_entry;
|
||||
|
||||
init_timer(&slot->task_event);
|
||||
slot->task_event.expires = jiffies + 5 * HZ;
|
||||
slot->task_event.function = cpqhp_pushbutton_thread;
|
||||
|
||||
/*FIXME: these capabilities aren't used but if they are
|
||||
* they need to be correctly implemented
|
||||
*/
|
||||
slot->capabilities |= PCISLOT_REPLACE_SUPPORTED;
|
||||
slot->capabilities |= PCISLOT_INTERLOCK_SUPPORTED;
|
||||
|
||||
if (is_slot64bit(slot))
|
||||
slot->capabilities |= PCISLOT_64_BIT_SUPPORTED;
|
||||
if (is_slot66mhz(slot))
|
||||
slot->capabilities |= PCISLOT_66_MHZ_SUPPORTED;
|
||||
if (ctrl->speed == PCI_SPEED_66MHz)
|
||||
slot->capabilities |= PCISLOT_66_MHZ_OPERATION;
|
||||
|
||||
ctrl_slot =
|
||||
slot_device - (readb(ctrl->hpc_reg + SLOT_MASK) >> 4);
|
||||
|
||||
/* Check presence */
|
||||
slot->capabilities |=
|
||||
((((~tempdword) >> 23) |
|
||||
((~tempdword) >> 15)) >> ctrl_slot) & 0x02;
|
||||
/* Check the switch state */
|
||||
slot->capabilities |=
|
||||
((~tempdword & 0xFF) >> ctrl_slot) & 0x01;
|
||||
/* Check the slot enable */
|
||||
slot->capabilities |=
|
||||
((read_slot_enable(ctrl) << 2) >> ctrl_slot) & 0x04;
|
||||
|
||||
/* register this slot with the hotplug pci core */
|
||||
hotplug_slot->release = &release_slot;
|
||||
hotplug_slot->private = slot;
|
||||
snprintf(name, SLOT_NAME_SIZE, "%u", slot->number);
|
||||
hotplug_slot->ops = &cpqphp_hotplug_slot_ops;
|
||||
|
||||
hotplug_slot_info->power_status = get_slot_enabled(ctrl, slot);
|
||||
hotplug_slot_info->attention_status =
|
||||
cpq_get_attention_status(ctrl, slot);
|
||||
hotplug_slot_info->latch_status =
|
||||
cpq_get_latch_status(ctrl, slot);
|
||||
hotplug_slot_info->adapter_status =
|
||||
get_presence_status(ctrl, slot);
|
||||
|
||||
dbg("registering bus %d, dev %d, number %d, "
|
||||
"ctrl->slot_device_offset %d, slot %d\n",
|
||||
slot->bus, slot->device,
|
||||
slot->number, ctrl->slot_device_offset,
|
||||
slot_number);
|
||||
result = pci_hp_register(hotplug_slot,
|
||||
ctrl->pci_dev->bus,
|
||||
slot->device,
|
||||
name);
|
||||
if (result) {
|
||||
err("pci_hp_register failed with error %d\n", result);
|
||||
goto error_info;
|
||||
}
|
||||
|
||||
slot->next = ctrl->slot;
|
||||
ctrl->slot = slot;
|
||||
|
||||
number_of_slots--;
|
||||
slot_device++;
|
||||
slot_number++;
|
||||
}
|
||||
|
||||
return 0;
|
||||
error_info:
|
||||
kfree(hotplug_slot_info);
|
||||
error_hpslot:
|
||||
kfree(hotplug_slot);
|
||||
error_slot:
|
||||
kfree(slot);
|
||||
error:
|
||||
return result;
|
||||
}
|
||||
|
||||
static int one_time_init(void)
|
||||
{
|
||||
int loop;
|
||||
int retval = 0;
|
||||
|
||||
if (initialized)
|
||||
return 0;
|
||||
|
||||
power_mode = 0;
|
||||
|
||||
retval = pci_print_IRQ_route();
|
||||
if (retval)
|
||||
goto error;
|
||||
|
||||
dbg("Initialize + Start the notification mechanism \n");
|
||||
|
||||
retval = cpqhp_event_start_thread();
|
||||
if (retval)
|
||||
goto error;
|
||||
|
||||
dbg("Initialize slot lists\n");
|
||||
for (loop = 0; loop < 256; loop++) {
|
||||
cpqhp_slot_list[loop] = NULL;
|
||||
}
|
||||
|
||||
/* FIXME: We also need to hook the NMI handler eventually.
|
||||
* this also needs to be worked with Christoph
|
||||
* register_NMI_handler();
|
||||
*/
|
||||
/* Map rom address */
|
||||
cpqhp_rom_start = ioremap(ROM_PHY_ADDR, ROM_PHY_LEN);
|
||||
if (!cpqhp_rom_start) {
|
||||
err ("Could not ioremap memory region for ROM\n");
|
||||
retval = -EIO;
|
||||
goto error;
|
||||
}
|
||||
|
||||
/* Now, map the int15 entry point if we are on compaq specific
|
||||
* hardware
|
||||
*/
|
||||
compaq_nvram_init(cpqhp_rom_start);
|
||||
|
||||
/* Map smbios table entry point structure */
|
||||
smbios_table = detect_SMBIOS_pointer(cpqhp_rom_start,
|
||||
cpqhp_rom_start + ROM_PHY_LEN);
|
||||
if (!smbios_table) {
|
||||
err ("Could not find the SMBIOS pointer in memory\n");
|
||||
retval = -EIO;
|
||||
goto error_rom_start;
|
||||
}
|
||||
|
||||
smbios_start = ioremap(readl(smbios_table + ST_ADDRESS),
|
||||
readw(smbios_table + ST_LENGTH));
|
||||
if (!smbios_start) {
|
||||
err ("Could not ioremap memory region taken from SMBIOS values\n");
|
||||
retval = -EIO;
|
||||
goto error_smbios_start;
|
||||
}
|
||||
|
||||
initialized = 1;
|
||||
|
||||
return retval;
|
||||
|
||||
error_smbios_start:
|
||||
iounmap(smbios_start);
|
||||
error_rom_start:
|
||||
iounmap(cpqhp_rom_start);
|
||||
error:
|
||||
return retval;
|
||||
}
|
||||
|
||||
static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
||||
{
|
||||
u8 num_of_slots = 0;
|
||||
|
@ -1300,77 +1358,6 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
|
|||
return rc;
|
||||
}
|
||||
|
||||
static int one_time_init(void)
|
||||
{
|
||||
int loop;
|
||||
int retval = 0;
|
||||
|
||||
if (initialized)
|
||||
return 0;
|
||||
|
||||
power_mode = 0;
|
||||
|
||||
retval = pci_print_IRQ_route();
|
||||
if (retval)
|
||||
goto error;
|
||||
|
||||
dbg("Initialize + Start the notification mechanism \n");
|
||||
|
||||
retval = cpqhp_event_start_thread();
|
||||
if (retval)
|
||||
goto error;
|
||||
|
||||
dbg("Initialize slot lists\n");
|
||||
for (loop = 0; loop < 256; loop++) {
|
||||
cpqhp_slot_list[loop] = NULL;
|
||||
}
|
||||
|
||||
/* FIXME: We also need to hook the NMI handler eventually.
|
||||
* this also needs to be worked with Christoph
|
||||
* register_NMI_handler();
|
||||
*/
|
||||
/* Map rom address */
|
||||
cpqhp_rom_start = ioremap(ROM_PHY_ADDR, ROM_PHY_LEN);
|
||||
if (!cpqhp_rom_start) {
|
||||
err ("Could not ioremap memory region for ROM\n");
|
||||
retval = -EIO;
|
||||
goto error;
|
||||
}
|
||||
|
||||
/* Now, map the int15 entry point if we are on compaq specific
|
||||
* hardware
|
||||
*/
|
||||
compaq_nvram_init(cpqhp_rom_start);
|
||||
|
||||
/* Map smbios table entry point structure */
|
||||
smbios_table = detect_SMBIOS_pointer(cpqhp_rom_start,
|
||||
cpqhp_rom_start + ROM_PHY_LEN);
|
||||
if (!smbios_table) {
|
||||
err ("Could not find the SMBIOS pointer in memory\n");
|
||||
retval = -EIO;
|
||||
goto error_rom_start;
|
||||
}
|
||||
|
||||
smbios_start = ioremap(readl(smbios_table + ST_ADDRESS),
|
||||
readw(smbios_table + ST_LENGTH));
|
||||
if (!smbios_start) {
|
||||
err ("Could not ioremap memory region taken from SMBIOS values\n");
|
||||
retval = -EIO;
|
||||
goto error_smbios_start;
|
||||
}
|
||||
|
||||
initialized = 1;
|
||||
|
||||
return retval;
|
||||
|
||||
error_smbios_start:
|
||||
iounmap(smbios_start);
|
||||
error_rom_start:
|
||||
iounmap(cpqhp_rom_start);
|
||||
error:
|
||||
return retval;
|
||||
}
|
||||
|
||||
static void __exit unload_cpqphpd(void)
|
||||
{
|
||||
struct pci_func *next;
|
||||
|
|
Loading…
Reference in New Issue