提交 0abe68ce 编写于 作者: K Kenji Kaneshige 提交者: Greg Kroah-Hartman

shpchp: remove unnecessary struct php_ctlr

The struct php_ctlr seems to be only for complicating codes. This
patch removes struct php_ctlr and related codes.
Signed-off-by: NKenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: NKristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 ab17443a
......@@ -83,7 +83,6 @@ struct event_info {
struct controller {
struct mutex crit_sect; /* critical section mutex */
struct mutex cmd_lock; /* command lock */
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;
......@@ -102,6 +101,8 @@ struct controller {
u32 cap_offset;
unsigned long mmio_base;
unsigned long mmio_size;
void __iomem *creg;
struct timer_list poll_timer;
};
......@@ -176,10 +177,10 @@ extern int __must_check shpchp_create_ctrl_files(struct controller *ctrl);
extern int shpchp_sysfs_enable_slot(struct slot *slot);
extern int shpchp_sysfs_disable_slot(struct slot *slot);
extern u8 shpchp_handle_attention_button(u8 hp_slot, void *inst_id);
extern u8 shpchp_handle_switch_change(u8 hp_slot, void *inst_id);
extern u8 shpchp_handle_presence_change(u8 hp_slot, void *inst_id);
extern u8 shpchp_handle_power_fault(u8 hp_slot, void *inst_id);
extern u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl);
extern u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl);
extern u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl);
extern u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl);
/* pci functions */
extern int shpchp_save_config(struct controller *ctrl, int busnumber, int num_ctlr_slots, int first_device_num);
......@@ -262,24 +263,6 @@ enum ctrl_offsets {
SLOT11 = offsetof(struct ctrl_reg, slot11),
SLOT12 = offsetof(struct ctrl_reg, slot12),
};
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;
void __iomem *creg; /* Ptr to controller register space */
};
/* Inline functions */
/* Inline functions to check the sanity of a pointer that is passed to us */
static inline int slot_paranoia_check (struct slot *slot, const char *function)
......@@ -400,21 +383,8 @@ static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot)
pci_write_config_dword(p_slot->ctrl->pci_dev, PCIX_MISCII_OFFSET, pcix_misc2_temp);
}
enum php_ctlr_type {
PCI,
ISA,
ACPI
};
int shpc_init( struct controller *ctrl, struct pci_dev *pdev);
int shpc_get_ctlr_slot_config( struct controller *ctrl,
int *num_ctlr_slots,
int *first_device_num,
int *physical_slot_num,
int *updown,
int *flags);
struct hpc_ops {
int (*power_on_slot ) (struct slot *slot);
int (*slot_enable ) (struct slot *slot);
......
......@@ -211,36 +211,6 @@ void cleanup_slots(struct controller *ctrl)
}
}
static int get_ctlr_slot_config(struct controller *ctrl)
{
int num_ctlr_slots;
int first_device_num;
int physical_slot_num;
int updown;
int rc;
int flags;
rc = shpc_get_ctlr_slot_config(ctrl, &num_ctlr_slots,
&first_device_num, &physical_slot_num,
&updown, &flags);
if (rc) {
err("%s: get_ctlr_slot_config fail for b:d (%x:%x)\n",
__FUNCTION__, ctrl->bus, ctrl->device);
return -1;
}
ctrl->num_slots = num_ctlr_slots;
ctrl->slot_device_offset = first_device_num;
ctrl->first_slot = physical_slot_num;
ctrl->slot_num_inc = updown; /* either -1 or 1 */
dbg("%s: num_slot(0x%x) 1st_dev(0x%x) psn(0x%x) updown(%d) for b:d "
"(%x:%x)\n", __FUNCTION__, num_ctlr_slots, first_device_num,
physical_slot_num, updown, ctrl->bus, ctrl->device);
return 0;
}
/*
* set_attention_status - Turns the Amber LED for a slot on, off or blink
*/
......@@ -386,8 +356,6 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
int rc;
struct controller *ctrl;
struct slot *t_slot;
int first_device_num; /* first PCI device number */
int num_ctlr_slots; /* number of slots implemented */
if (!is_shpc_capable(pdev))
return -ENODEV;
......@@ -416,17 +384,6 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
dbg("ctrl bus=0x%x, device=%x, function=%x, irq=%x\n",
ctrl->bus, ctrl->device, ctrl->function, pdev->irq);
/*
* Save configuration headers for this and subordinate PCI buses
*/
rc = get_ctlr_slot_config(ctrl);
if (rc) {
err(msg_initialization_err, rc);
goto err_out_release_ctlr;
}
first_device_num = ctrl->slot_device_offset;
num_ctlr_slots = ctrl->num_slots;
ctrl->add_support = 1;
/* Setup the slot information structures */
......@@ -437,7 +394,7 @@ static int shpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
}
/* Now hpc_functions (slot->hpc_ops->functions) are ready */
t_slot = shpchp_find_slot(ctrl, first_device_num);
t_slot = shpchp_find_slot(ctrl, ctrl->slot_device_offset);
/* Check for operation bus speed */
rc = t_slot->hpc_ops->get_cur_bus_speed(t_slot, &ctrl->speed);
......
......@@ -57,9 +57,8 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type)
return 0;
}
u8 shpchp_handle_attention_button(u8 hp_slot, void *inst_id)
u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl)
{
struct controller *ctrl = (struct controller *) inst_id;
struct slot *p_slot;
u32 event_type;
......@@ -81,9 +80,8 @@ u8 shpchp_handle_attention_button(u8 hp_slot, void *inst_id)
}
u8 shpchp_handle_switch_change(u8 hp_slot, void *inst_id)
u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl)
{
struct controller *ctrl = (struct controller *) inst_id;
struct slot *p_slot;
u8 getstatus;
u32 event_type;
......@@ -120,9 +118,8 @@ u8 shpchp_handle_switch_change(u8 hp_slot, void *inst_id)
return 1;
}
u8 shpchp_handle_presence_change(u8 hp_slot, void *inst_id)
u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl)
{
struct controller *ctrl = (struct controller *) inst_id;
struct slot *p_slot;
u32 event_type;
......@@ -154,9 +151,8 @@ u8 shpchp_handle_presence_change(u8 hp_slot, void *inst_id)
return 1;
}
u8 shpchp_handle_power_fault(u8 hp_slot, void *inst_id)
u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl)
{
struct controller *ctrl = (struct controller *) inst_id;
struct slot *p_slot;
u32 event_type;
......
......@@ -212,44 +212,40 @@
#define SLOT_SERR_INT_MASK 0x3
DEFINE_DBG_BUFFER /* Debug string buffer for entire HPC defined here */
static struct php_ctlr_state_s *php_ctlr_list_head; /* HPC state linked list */
static int ctlr_seq_num = 0; /* Controller sequenc # */
static spinlock_t list_lock;
static atomic_t shpchp_num_controllers = ATOMIC_INIT(0);
static irqreturn_t shpc_isr(int irq, void *dev_id);
static void start_int_poll_timer(struct php_ctlr_state_s *php_ctlr, int sec);
static void start_int_poll_timer(struct controller *ctrl, int sec);
static int hpc_check_cmd_status(struct controller *ctrl);
static inline u8 shpc_readb(struct controller *ctrl, int reg)
{
return readb(ctrl->hpc_ctlr_handle->creg + reg);
return readb(ctrl->creg + reg);
}
static inline void shpc_writeb(struct controller *ctrl, int reg, u8 val)
{
writeb(val, ctrl->hpc_ctlr_handle->creg + reg);
writeb(val, ctrl->creg + reg);
}
static inline u16 shpc_readw(struct controller *ctrl, int reg)
{
return readw(ctrl->hpc_ctlr_handle->creg + reg);
return readw(ctrl->creg + reg);
}
static inline void shpc_writew(struct controller *ctrl, int reg, u16 val)
{
writew(val, ctrl->hpc_ctlr_handle->creg + reg);
writew(val, ctrl->creg + reg);
}
static inline u32 shpc_readl(struct controller *ctrl, int reg)
{
return readl(ctrl->hpc_ctlr_handle->creg + reg);
return readl(ctrl->creg + reg);
}
static inline void shpc_writel(struct controller *ctrl, int reg, u32 val)
{
writel(val, ctrl->hpc_ctlr_handle->creg + reg);
writel(val, ctrl->creg + reg);
}
static inline int shpc_indirect_read(struct controller *ctrl, int index,
......@@ -268,21 +264,20 @@ static inline int shpc_indirect_read(struct controller *ctrl, int index,
/*
* This is the interrupt polling timeout function.
*/
static void int_poll_timeout(unsigned long lphp_ctlr)
static void int_poll_timeout(unsigned long data)
{
struct php_ctlr_state_s *php_ctlr =
(struct php_ctlr_state_s *)lphp_ctlr;
struct controller *ctrl = (struct controller *)data;
DBG_ENTER_ROUTINE
/* Poll for interrupt events. regs == NULL => polling */
shpc_isr(0, php_ctlr->callback_instance_id);
shpc_isr(0, ctrl);
init_timer(&php_ctlr->int_poll_timer);
init_timer(&ctrl->poll_timer);
if (!shpchp_poll_time)
shpchp_poll_time = 2; /* default polling interval is 2 sec */
start_int_poll_timer(php_ctlr, shpchp_poll_time);
start_int_poll_timer(ctrl, shpchp_poll_time);
DBG_LEAVE_ROUTINE
}
......@@ -290,16 +285,16 @@ static void int_poll_timeout(unsigned long lphp_ctlr)
/*
* This function starts the interrupt polling timer.
*/
static void start_int_poll_timer(struct php_ctlr_state_s *php_ctlr, int sec)
static void start_int_poll_timer(struct controller *ctrl, int sec)
{
/* Clamp to sane value */
if ((sec <= 0) || (sec > 60))
sec = 2;
php_ctlr->int_poll_timer.function = &int_poll_timeout;
php_ctlr->int_poll_timer.data = (unsigned long)php_ctlr;
php_ctlr->int_poll_timer.expires = jiffies + sec * HZ;
add_timer(&php_ctlr->int_poll_timer);
ctrl->poll_timer.function = &int_poll_timeout;
ctrl->poll_timer.data = (unsigned long)ctrl;
ctrl->poll_timer.expires = jiffies + sec * HZ;
add_timer(&ctrl->poll_timer);
}
static inline int is_ctrl_busy(struct controller *ctrl)
......@@ -666,33 +661,8 @@ static void hpc_set_green_led_blink(struct slot *slot)
shpc_write_cmd(slot, slot->hp_slot, SET_PWR_BLINK);
}
int shpc_get_ctlr_slot_config(struct controller *ctrl,
int *num_ctlr_slots, /* number of slots in this HPC */
int *first_device_num, /* PCI dev num of the first slot in this SHPC */
int *physical_slot_num, /* phy slot num of the first slot in this SHPC */
int *updown, /* physical_slot_num increament: 1 or -1 */
int *flags)
{
u32 slot_config;
DBG_ENTER_ROUTINE
slot_config = shpc_readl(ctrl, SLOT_CONFIG);
*first_device_num = (slot_config & FIRST_DEV_NUM) >> 8;
*num_ctlr_slots = slot_config & SLOT_NUM;
*physical_slot_num = (slot_config & PSN) >> 16;
*updown = ((slot_config & UPDOWN) >> 29) ? 1 : -1;
dbg("%s: physical_slot_num = %x\n", __FUNCTION__, *physical_slot_num);
DBG_LEAVE_ROUTINE
return 0;
}
static void hpc_release_ctlr(struct controller *ctrl)
{
struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
struct php_ctlr_state_s *p, *p_prev;
int i;
u32 slot_reg, serr_int;
......@@ -722,40 +692,15 @@ static void hpc_release_ctlr(struct controller *ctrl)
serr_int &= ~SERR_INTR_RSVDZ_MASK;
shpc_writel(ctrl, SERR_INTR_ENABLE, serr_int);
if (shpchp_poll_mode) {
del_timer(&php_ctlr->int_poll_timer);
} else {
if (php_ctlr->irq) {
free_irq(php_ctlr->irq, ctrl);
php_ctlr->irq = 0;
pci_disable_msi(php_ctlr->pci_dev);
}
}
if (php_ctlr->pci_dev) {
iounmap(php_ctlr->creg);
release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
php_ctlr->pci_dev = NULL;
}
spin_lock(&list_lock);
p = php_ctlr_list_head;
p_prev = NULL;
while (p) {
if (p == php_ctlr) {
if (p_prev)
p_prev->pnext = p->pnext;
else
php_ctlr_list_head = p->pnext;
break;
} else {
p_prev = p;
p = p->pnext;
}
if (shpchp_poll_mode)
del_timer(&ctrl->poll_timer);
else {
free_irq(ctrl->pci_dev->irq, ctrl);
pci_disable_msi(ctrl->pci_dev);
}
spin_unlock(&list_lock);
kfree(php_ctlr);
iounmap(ctrl->creg);
release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
/*
* If this is the last controller to be released, destroy the
......@@ -764,8 +709,7 @@ static void hpc_release_ctlr(struct controller *ctrl)
if (atomic_dec_and_test(&shpchp_num_controllers))
destroy_workqueue(shpchp_wq);
DBG_LEAVE_ROUTINE
DBG_LEAVE_ROUTINE
}
static int hpc_power_on_slot(struct slot * slot)
......@@ -891,7 +835,6 @@ static int hpc_set_bus_speed_mode(struct slot * slot, enum pci_bus_speed value)
static irqreturn_t shpc_isr(int irq, void *dev_id)
{
struct controller *ctrl = (struct controller *)dev_id;
struct php_ctlr_state_s *php_ctlr = ctrl->hpc_ctlr_handle;
u32 serr_int, slot_reg, intr_loc, intr_loc2;
int hp_slot;
......@@ -942,20 +885,16 @@ static irqreturn_t shpc_isr(int irq, void *dev_id)
__FUNCTION__, hp_slot, slot_reg);
if (slot_reg & MRL_CHANGE_DETECTED)
php_ctlr->switch_change_callback(
hp_slot, php_ctlr->callback_instance_id);
shpchp_handle_switch_change(hp_slot, ctrl);
if (slot_reg & BUTTON_PRESS_DETECTED)
php_ctlr->attention_button_callback(
hp_slot, php_ctlr->callback_instance_id);
shpchp_handle_attention_button(hp_slot, ctrl);
if (slot_reg & PRSNT_CHANGE_DETECTED)
php_ctlr->presence_change_callback(
hp_slot , php_ctlr->callback_instance_id);
shpchp_handle_presence_change(hp_slot, ctrl);
if (slot_reg & (ISO_PFAULT_DETECTED | CON_PFAULT_DETECTED))
php_ctlr->power_fault_callback(
hp_slot, php_ctlr->callback_instance_id);
shpchp_handle_power_fault(hp_slot, ctrl);
/* Clear all slot events */
slot_reg &= ~SLOT_REG_RSVDZ_MASK;
......@@ -1114,10 +1053,8 @@ static struct hpc_ops shpchp_hpc_ops = {
.release_ctlr = hpc_release_ctlr,
};
int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
int shpc_init(struct controller *ctrl, struct pci_dev *pdev)
{
struct php_ctlr_state_s *php_ctlr, *p;
void *instance_id = ctrl;
int rc = -1, num_slots = 0;
u8 hp_slot;
u32 shpc_base_offset;
......@@ -1128,16 +1065,6 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
ctrl->pci_dev = pdev; /* pci_dev of the P2P bridge */
spin_lock_init(&list_lock);
php_ctlr = kzalloc(sizeof(*php_ctlr), GFP_KERNEL);
if (!php_ctlr) { /* allocate controller state data */
err("%s: HPC controller memory allocation error!\n", __FUNCTION__);
goto abort;
}
php_ctlr->pci_dev = pdev; /* save pci_dev in context */
if ((pdev->vendor == PCI_VENDOR_ID_AMD) || (pdev->device ==
PCI_DEVICE_ID_AMD_GOLAM_7450)) {
/* amd shpc driver doesn't use Base Offset; assume 0 */
......@@ -1147,20 +1074,20 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
ctrl->cap_offset = pci_find_capability(pdev, PCI_CAP_ID_SHPC);
if (!ctrl->cap_offset) {
err("%s : cap_offset == 0\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort;
}
dbg("%s: cap_offset = %x\n", __FUNCTION__, ctrl->cap_offset);
rc = shpc_indirect_read(ctrl, 0, &shpc_base_offset);
if (rc) {
err("%s: cannot read base_offset\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort;
}
rc = shpc_indirect_read(ctrl, 3, &tempdword);
if (rc) {
err("%s: cannot read slot config\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort;
}
num_slots = tempdword & SLOT_NUM;
dbg("%s: num_slots (indirect) %x\n", __FUNCTION__, num_slots);
......@@ -1170,7 +1097,7 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
if (rc) {
err("%s: cannot read creg (index = %d)\n",
__FUNCTION__, i);
goto abort_free_ctlr;
goto abort;
}
dbg("%s: offset %d: value %x\n", __FUNCTION__,i,
tempdword);
......@@ -1187,24 +1114,24 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
rc = pci_enable_device(pdev);
if (rc) {
err("%s: pci_enable_device failed\n", __FUNCTION__);
goto abort_free_ctlr;
goto abort;
}
if (!request_mem_region(ctrl->mmio_base, ctrl->mmio_size, MY_NAME)) {
err("%s: cannot reserve MMIO region\n", __FUNCTION__);
rc = -1;
goto abort_free_ctlr;
goto abort;
}
php_ctlr->creg = ioremap(ctrl->mmio_base, ctrl->mmio_size);
if (!php_ctlr->creg) {
ctrl->creg = ioremap(ctrl->mmio_base, ctrl->mmio_size);
if (!ctrl->creg) {
err("%s: cannot remap MMIO region %lx @ %lx\n", __FUNCTION__,
ctrl->mmio_size, ctrl->mmio_base);
release_mem_region(ctrl->mmio_base, ctrl->mmio_size);
rc = -1;
goto abort_free_ctlr;
goto abort;
}
dbg("%s: php_ctlr->creg %p\n", __FUNCTION__, php_ctlr->creg);
dbg("%s: ctrl->creg %p\n", __FUNCTION__, ctrl->creg);
mutex_init(&ctrl->crit_sect);
mutex_init(&ctrl->cmd_lock);
......@@ -1212,23 +1139,14 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
/* Setup wait queue */
init_waitqueue_head(&ctrl->queue);
/* Find the IRQ */
php_ctlr->irq = pdev->irq;
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;
ctrl->hpc_ctlr_handle = php_ctlr;
ctrl->hpc_ops = &shpchp_hpc_ops;
/* Return PCI Controller Info */
slot_config = shpc_readl(ctrl, SLOT_CONFIG);
php_ctlr->slot_device_offset = (slot_config & FIRST_DEV_NUM) >> 8;
php_ctlr->num_slots = slot_config & SLOT_NUM;
dbg("%s: slot_device_offset %x\n", __FUNCTION__, php_ctlr->slot_device_offset);
dbg("%s: num_slots %x\n", __FUNCTION__, php_ctlr->num_slots);
ctrl->slot_device_offset = (slot_config & FIRST_DEV_NUM) >> 8;
ctrl->num_slots = slot_config & SLOT_NUM;
ctrl->first_slot = (slot_config & PSN) >> 16;
ctrl->slot_num_inc = ((slot_config & UPDOWN) >> 29) ? 1 : -1;
/* Mask Global Interrupt Mask & Command Complete Interrupt Mask */
tempdword = shpc_readl(ctrl, SERR_INTR_ENABLE);
......@@ -1243,7 +1161,7 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
/* Mask the MRL sensor SERR Mask of individual slot in
* Slot SERR-INT Mask & clear all the existing event if any
*/
for (hp_slot = 0; hp_slot < php_ctlr->num_slots; hp_slot++) {
for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
dbg("%s: Default Logical Slot Register %d value %x\n", __FUNCTION__,
hp_slot, slot_reg);
......@@ -1255,24 +1173,27 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
shpc_writel(ctrl, SLOT_REG(hp_slot), slot_reg);
}
if (shpchp_poll_mode) {/* Install interrupt polling code */
/* Install and start the interrupt polling timer */
init_timer(&php_ctlr->int_poll_timer);
start_int_poll_timer( php_ctlr, 10 ); /* start with 10 second delay */
if (shpchp_poll_mode) {
/* Install interrupt polling timer. Start with 10 sec delay */
init_timer(&ctrl->poll_timer);
start_int_poll_timer(ctrl, 10);
} else {
/* Installs the interrupt handler */
rc = pci_enable_msi(pdev);
if (rc) {
info("Can't get msi for the hotplug controller\n");
info("Use INTx for the hotplug controller\n");
} else
php_ctlr->irq = pdev->irq;
}
rc = request_irq(php_ctlr->irq, shpc_isr, IRQF_SHARED, MY_NAME, (void *) ctrl);
dbg("%s: request_irq %d for hpc%d (returns %d)\n", __FUNCTION__, php_ctlr->irq, ctlr_seq_num, rc);
rc = request_irq(ctrl->pci_dev->irq, shpc_isr, IRQF_SHARED,
MY_NAME, (void *)ctrl);
dbg("%s: request_irq %d for hpc%d (returns %d)\n",
__FUNCTION__, ctrl->pci_dev->irq,
atomic_read(&shpchp_num_controllers), rc);
if (rc) {
err("Can't get irq %d for the hotplug controller\n", php_ctlr->irq);
goto abort_free_ctlr;
err("Can't get irq %d for the hotplug controller\n",
ctrl->pci_dev->irq);
goto abort_iounmap;
}
}
dbg("%s: HPC at b:d:f:irq=0x%x:%x:%x:%x\n", __FUNCTION__,
......@@ -1280,24 +1201,6 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
PCI_FUNC(pdev->devfn), pdev->irq);
get_hp_hw_control_from_firmware(pdev);
/* Add this HPC instance into the HPC list */
spin_lock(&list_lock);
if (php_ctlr_list_head == 0) {
php_ctlr_list_head = php_ctlr;
p = php_ctlr_list_head;
p->pnext = NULL;
} else {
p = php_ctlr_list_head;
while (p->pnext)
p = p->pnext;
p->pnext = php_ctlr;
}
spin_unlock(&list_lock);
ctlr_seq_num++;
/*
* If this is the first controller to be initialized,
* initialize the shpchpd work queue
......@@ -1306,14 +1209,14 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
shpchp_wq = create_singlethread_workqueue("shpchpd");
if (!shpchp_wq) {
rc = -ENOMEM;
goto abort_free_ctlr;
goto abort_iounmap;
}
}
/*
* Unmask all event interrupts of all slots
*/
for (hp_slot = 0; hp_slot < php_ctlr->num_slots; hp_slot++) {
for (hp_slot = 0; hp_slot < ctrl->num_slots; hp_slot++) {
slot_reg = shpc_readl(ctrl, SLOT_REG(hp_slot));
dbg("%s: Default Logical Slot Register %d value %x\n", __FUNCTION__,
hp_slot, slot_reg);
......@@ -1336,10 +1239,8 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
return 0;
/* We end up here for the many possible ways to fail this API. */
abort_free_ctlr:
if (php_ctlr->creg)
iounmap(php_ctlr->creg);
kfree(php_ctlr);
abort_iounmap:
iounmap(ctrl->creg);
abort:
DBG_LEAVE_ROUTINE
return rc;
......
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