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-rw-r--r--drivers/pci/hotplug/pciehp.h44
-rw-r--r--drivers/pci/hotplug/pciehp_core.c14
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c56
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c38
-rw-r--r--drivers/pci/hotplug/pciehp_pci.c4
-rw-r--r--drivers/pci/hotplug/pciehprm_acpi.c6
-rw-r--r--drivers/pci/hotplug/pciehprm_nonacpi.c12
7 files changed, 41 insertions, 133 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 3e17e3d4dd6..314989a3a93 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -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 <linux/pcieport_if.h>
#include "pci_hotplug.h"
@@ -62,13 +60,7 @@ struct slot {
u8 device;
u16 status;
u32 number;
- u8 is_a_board;
- u8 configured;
u8 state;
- u8 switch_save;
- u8 presence_save;
- u32 capabilities;
- u16 reserved2;
struct timer_list task_event;
u8 hp_slot;
struct controller *ctrl;
@@ -82,27 +74,42 @@ struct event_info {
u8 hp_slot;
};
+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;
+ unsigned int irq;
+ unsigned long flags; /* spinlock's */
+ u32 slot_device_offset;
+ u32 num_slots;
+ struct timer_list int_poll_timer; /* Added for poll event */
+ 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;
+ void *callback_instance_id;
+ struct ctrl_reg *creg; /* Ptr to controller register space */
+};
+
+#define MAX_EVENTS 10
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;
struct pci_bus *pci_bus;
- struct event_info event_queue[10];
+ struct event_info event_queue[MAX_EVENTS];
struct slot *slot;
struct hpc_ops *hpc_ops;
wait_queue_head_t queue; /* sleep & wake process */
u8 next_event;
- u8 seg;
u8 bus;
u8 device;
u8 function;
- u8 rev;
u8 slot_device_offset;
- u8 add_support;
- enum pci_bus_speed speed;
u32 first_slot; /* First physical slot number */ /* PCIE only has 1 slot */
u8 slot_bus; /* Bus where the slots handled by this controller sit */
u8 ctrlcap;
@@ -250,14 +257,7 @@ enum php_ctlr_type {
ACPI
};
-typedef u8(*php_intr_callback_t) (unsigned int change_id, void *instance_id);
-
-int pcie_init(struct controller *ctrl, struct pcie_device *dev,
- 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 pcie_init(struct controller *ctrl, struct pcie_device *dev);
/* This has no meaning for PCI Express, as there is only 1 slot per port */
int pcie_get_ctlr_slot_config(struct controller *ctrl,
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index be608563e8b..701243ea589 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -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 "pciehp.h"
#include <linux/interrupt.h>
@@ -381,11 +375,7 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
pdev = dev->port;
ctrl->pci_dev = pdev;
- rc = pcie_init(ctrl, dev,
- (php_intr_callback_t) pciehp_handle_attention_button,
- (php_intr_callback_t) pciehp_handle_switch_change,
- (php_intr_callback_t) pciehp_handle_presence_change,
- (php_intr_callback_t) pciehp_handle_power_fault);
+ rc = pcie_init(ctrl, dev);
if (rc) {
dbg("%s: controller initialization failed\n", PCIE_MODULE_NAME);
goto err_out_free_ctrl;
@@ -421,8 +411,6 @@ static int pciehp_probe(struct pcie_device *dev, const struct pcie_port_service_
first_device_num = ctrl->slot_device_offset;
num_ctlr_slots = ctrl->num_slots;
- ctrl->add_support = 1;
-
/* Setup the slot information structures */
rc = init_slots(ctrl);
if (rc) {
diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c
index b60e4973289..dcfbfffa17c 100644
--- a/drivers/pci/hotplug/pciehp_ctrl.c
+++ b/drivers/pci/hotplug/pciehp_ctrl.c
@@ -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"
@@ -64,10 +58,9 @@ u8 pciehp_handle_attention_button(u8 hp_slot, void *inst_id)
taskInfo = &(ctrl->event_queue[ctrl->next_event]);
p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
- p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
- ctrl->next_event = (ctrl->next_event + 1) % 10;
+ ctrl->next_event = (ctrl->next_event + 1) % MAX_EVENTS;
taskInfo->hp_slot = hp_slot;
rc++;
@@ -118,12 +111,11 @@ u8 pciehp_handle_switch_change(u8 hp_slot, void *inst_id)
* what to do
*/
taskInfo = &(ctrl->event_queue[ctrl->next_event]);
- ctrl->next_event = (ctrl->next_event + 1) % 10;
+ ctrl->next_event = (ctrl->next_event + 1) % MAX_EVENTS;
taskInfo->hp_slot = hp_slot;
rc++;
p_slot = pciehp_find_slot(ctrl, hp_slot + ctrl->slot_device_offset);
- p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (getstatus) {
@@ -131,14 +123,12 @@ u8 pciehp_handle_switch_change(u8 hp_slot, void *inst_id)
* Switch opened
*/
info("Latch open on Slot(%d)\n", ctrl->first_slot + hp_slot);
- p_slot->switch_save = 0;
taskInfo->event_type = INT_SWITCH_OPEN;
} else {
/*
* Switch closed
*/
info("Latch close on Slot(%d)\n", ctrl->first_slot + hp_slot);
- p_slot->switch_save = 0x10;
taskInfo->event_type = INT_SWITCH_CLOSE;
}
@@ -152,7 +142,7 @@ u8 pciehp_handle_presence_change(u8 hp_slot, void *inst_id)
{
struct controller *ctrl = (struct controller *) inst_id;
struct slot *p_slot;
- u8 rc = 0;
+ u8 presence_save, rc = 0;
struct event_info *taskInfo;
/* Presence Change */
@@ -162,7 +152,7 @@ u8 pciehp_handle_presence_change(u8 hp_slot, void *inst_id)
* what to do
*/
taskInfo = &(ctrl->event_queue[ctrl->next_event]);
- ctrl->next_event = (ctrl->next_event + 1) % 10;
+ ctrl->next_event = (ctrl->next_event + 1) % MAX_EVENTS;
taskInfo->hp_slot = hp_slot;
rc++;
@@ -171,8 +161,8 @@ u8 pciehp_handle_presence_change(u8 hp_slot, void *inst_id)
/* Switch is open, assume a presence change
* Save the presence state
*/
- p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
- if (p_slot->presence_save) {
+ p_slot->hpc_ops->get_adapter_status(p_slot, &presence_save);
+ if (presence_save) {
/*
* Card Present
*/
@@ -206,7 +196,7 @@ u8 pciehp_handle_power_fault(u8 hp_slot, void *inst_id)
* what to do
*/
taskInfo = &(ctrl->event_queue[ctrl->next_event]);
- ctrl->next_event = (ctrl->next_event + 1) % 10;
+ ctrl->next_event = (ctrl->next_event + 1) % MAX_EVENTS;
taskInfo->hp_slot = hp_slot;
rc++;
@@ -279,11 +269,10 @@ static void set_slot_off(struct controller *ctrl, struct slot * pslot)
* Configures board
*
*/
-static u32 board_added(struct slot *p_slot)
+static int board_added(struct slot *p_slot)
{
u8 hp_slot;
- u32 temp_register = 0xFFFFFFFF;
- u32 rc = 0;
+ int rc = 0;
struct controller *ctrl = p_slot->ctrl;
hp_slot = p_slot->device - ctrl->slot_device_offset;
@@ -333,8 +322,6 @@ static u32 board_added(struct slot *p_slot)
/* Check for a power fault */
if (p_slot->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);
rc = POWER_FAILURE;
p_slot->status = 0;
goto err_exit;
@@ -348,8 +335,6 @@ static u32 board_added(struct slot *p_slot)
}
p_slot->status = 0;
- p_slot->switch_save = 0x10;
- p_slot->is_a_board = 0x01;
/*
* Some PCI Express root ports require fixup after hot-plug operation.
@@ -380,11 +365,11 @@ err_exit:
* remove_board - Turns off slot and LED's
*
*/
-static u32 remove_board(struct slot *p_slot)
+static int remove_board(struct slot *p_slot)
{
u8 device;
u8 hp_slot;
- u32 rc;
+ int rc;
struct controller *ctrl = p_slot->ctrl;
if (pciehp_unconfigure_device(p_slot))
@@ -398,9 +383,7 @@ static u32 remove_board(struct slot *p_slot)
dbg("In %s, hp_slot = %d\n", __FUNCTION__, hp_slot);
/* Change status to shutdown */
- if (p_slot->is_a_board)
- p_slot->status = 0x01;
- p_slot->configured = 0;
+ p_slot->status = 0x01;
/* Wait for exclusive access to hardware */
down(&ctrl->crit_sect);
@@ -428,9 +411,6 @@ static u32 remove_board(struct slot *p_slot)
/* Done with exclusive hardware access */
up(&ctrl->crit_sect);
- p_slot->switch_save = 0x10;
- p_slot->is_a_board = 0;
-
return 0;
}
@@ -633,7 +613,7 @@ static void interrupt_event_handler(struct controller *ctrl)
while (change) {
change = 0;
- for (loop = 0; loop < 10; loop++) {
+ for (loop = 0; loop < MAX_EVENTS; loop++) {
if (ctrl->event_queue[loop].event_type != 0) {
hp_slot = ctrl->event_queue[loop].hp_slot;
@@ -816,21 +796,11 @@ int pciehp_enable_slot(struct slot *p_slot)
}
up(&p_slot->ctrl->crit_sect);
- p_slot->configured = 0;
- p_slot->is_a_board = 1;
-
- /* We have to save the presence info for these slots */
- p_slot->hpc_ops->get_adapter_status(p_slot, &(p_slot->presence_save));
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
- p_slot->switch_save = !getstatus? 0x10:0;
rc = board_added(p_slot);
if (rc) {
- /* We have to save the presence info for these slots */
- p_slot->hpc_ops->get_adapter_status(p_slot,
- &(p_slot->presence_save));
p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
- p_slot->switch_save = !getstatus? 0x10:0;
}
if (p_slot)
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index ef79ca1f38d..5358547f9ee 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -27,16 +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/pci.h>
-#include <asm/system.h>
#include "../pci.h"
#include "pciehp.h"
@@ -217,23 +211,6 @@ static int pcie_cap_base = 0; /* Base of the PCI Express capability item struct
#define MRL_STATE 0x0020
#define PRSN_STATE 0x0040
-struct php_ctlr_state_s {
- struct php_ctlr_state_s *pnext;
- struct pci_dev *pci_dev;
- unsigned int irq;
- unsigned long flags; /* spinlock's */
- u32 slot_device_offset;
- u32 num_slots;
- struct timer_list int_poll_timer; /* Added for poll event */
- 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;
- void *callback_instance_id;
- struct ctrl_reg *creg; /* Ptr to controller register space */
-};
-
-
static spinlock_t hpc_event_lock;
DEFINE_DBG_BUFFER /* Debug string buffer for entire HPC defined here */
@@ -1248,12 +1225,7 @@ static struct hpc_ops pciehp_hpc_ops = {
.check_lnk_status = hpc_check_lnk_status,
};
-int pcie_init(struct controller * ctrl,
- struct pcie_device *dev,
- 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 pcie_init(struct controller * ctrl, struct pcie_device *dev)
{
struct php_ctlr_state_s *php_ctlr, *p;
void *instance_id = ctrl;
@@ -1362,10 +1334,10 @@ int pcie_init(struct controller * ctrl,
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 = pciehp_handle_attention_button;
+ php_ctlr->switch_change_callback = pciehp_handle_switch_change;
+ php_ctlr->presence_change_callback = pciehp_handle_presence_change;
+ php_ctlr->power_fault_callback = pciehp_handle_power_fault;
php_ctlr->callback_instance_id = instance_id;
/* return PCI Controller Info */
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index 1d185c1bc77..647673a7d22 100644
--- a/drivers/pci/hotplug/pciehp_pci.c
+++ b/drivers/pci/hotplug/pciehp_pci.c
@@ -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 "pciehp.h"
diff --git a/drivers/pci/hotplug/pciehprm_acpi.c b/drivers/pci/hotplug/pciehprm_acpi.c
index c823cfa42ee..5d184582331 100644
--- a/drivers/pci/hotplug/pciehprm_acpi.c
+++ b/drivers/pci/hotplug/pciehprm_acpi.c
@@ -24,18 +24,12 @@
*
*/
-#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 <linux/pci-acpi.h>
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
#include <acpi/actypes.h>
#include "pciehp.h"
diff --git a/drivers/pci/hotplug/pciehprm_nonacpi.c b/drivers/pci/hotplug/pciehprm_nonacpi.c
index 32371cd19e3..6447642f78c 100644
--- a/drivers/pci/hotplug/pciehprm_nonacpi.c
+++ b/drivers/pci/hotplug/pciehprm_nonacpi.c
@@ -27,25 +27,13 @@
*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/pci.h>
-#include <linux/init.h>
#include <linux/slab.h>
-#include <asm/uaccess.h>
#include "pciehp.h"
-#include "pciehprm_nonacpi.h"
-
-
-int pciehprm_get_physical_slot_number(struct controller *ctrl, u32 *sun, u8 busnum, u8 devnum)
-{
-
- *sun = (u8) (ctrl->first_slot);
- return 0;
-}
void get_hp_params_from_firmware(struct pci_dev *dev,
struct hotplug_params *hpp)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 07:28:24 +0000