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Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kerne…
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…l/git/jbarnes/pci-2.6

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (21 commits)
  x86/PCI: make 32 bit NUMA node array int, not unsigned char
  x86/PCI: default pcibus cpumask to all cpus if it lacks affinity
  MAINTAINTERS: remove hotplug driver entries
  PCI: pciehp: remove slot capabilities definitions
  PCI: pciehp: remove error message definitions
  PCI: pciehp: remove number field
  PCI: pciehp: remove hpc_ops
  PCI: pciehp: remove pci_dev field
  PCI: pciehp: remove crit_sect mutex
  PCI: pciehp: remove slot_bus field
  PCI: pciehp: remove first_slot field
  PCI: pciehp: remove slot_device_offset field
  PCI: pciehp: remove hp_slot field
  PCI: pciehp: remove device field
  PCI: pciehp: remove bus field
  PCI: pciehp: remove slot_num_inc field
  PCI: pciehp: remove num_slots field
  PCI: pciehp: remove slot_list field
  PCI: fix VGA arbiter header file
  PCI: Disable AER with pci=nomsi
  ...

Fixed up trivial conflicts in MAINTAINERS
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Linus Torvalds committed Sep 24, 2009
2 parents 7ca263c + 76baeeb commit b7f21bb
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Showing 12 changed files with 203 additions and 333 deletions.
19 changes: 3 additions & 16 deletions MAINTAINERS
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Original file line number Diff line number Diff line change
Expand Up @@ -257,12 +257,6 @@ W: http://www.lesswatts.org/projects/acpi/
S: Supported
F: drivers/acpi/fan.c

ACPI PCI HOTPLUG DRIVER
M: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
L: linux-pci@vger.kernel.org
S: Supported
F: drivers/pci/hotplug/acpi*

ACPI THERMAL DRIVER
M: Zhang Rui <rui.zhang@intel.com>
L: linux-acpi@vger.kernel.org
Expand Down Expand Up @@ -4005,11 +3999,11 @@ F: Documentation/PCI/
F: drivers/pci/
F: include/linux/pci*

PCIE HOTPLUG DRIVER
M: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
PCI HOTPLUG
M: Jesse Barnes <jbarnes@virtuousgeek.org>
L: linux-pci@vger.kernel.org
S: Supported
F: drivers/pci/pcie/
F: drivers/pci/hotplug

PCMCIA SUBSYSTEM
P: Linux PCMCIA Team
Expand Down Expand Up @@ -4672,12 +4666,6 @@ F: drivers/serial/serial_lh7a40x.c
F: drivers/usb/gadget/lh7a40*
F: drivers/usb/host/ohci-lh7a40*

SHPC HOTPLUG DRIVER
M: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
L: linux-pci@vger.kernel.org
S: Supported
F: drivers/pci/hotplug/shpchp*

SIMPLE FIRMWARE INTERFACE (SFI)
P: Len Brown
M: lenb@kernel.org
Expand All @@ -4689,7 +4677,6 @@ F: arch/x86/kernel/*sfi*
F: drivers/sfi/
F: include/linux/sfi*.h


SIMTEC EB110ATX (Chalice CATS)
P: Ben Dooks
M: Vincent Sanders <support@simtec.co.uk>
Expand Down
6 changes: 5 additions & 1 deletion arch/x86/include/asm/pci.h
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Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,11 @@ static inline int __pcibus_to_node(const struct pci_bus *bus)
static inline const struct cpumask *
cpumask_of_pcibus(const struct pci_bus *bus)
{
return cpumask_of_node(__pcibus_to_node(bus));
int node;

node = __pcibus_to_node(bus);
return (node == -1) ? cpu_online_mask :
cpumask_of_node(node);
}
#endif

Expand Down
2 changes: 1 addition & 1 deletion arch/x86/pci/common.c
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Original file line number Diff line number Diff line change
Expand Up @@ -646,7 +646,7 @@ int get_mp_bus_to_node(int busnum)

#else /* CONFIG_X86_32 */

static unsigned char mp_bus_to_node[BUS_NR] = {
static int mp_bus_to_node[BUS_NR] = {
[0 ... BUS_NR - 1] = -1
};

Expand Down
107 changes: 29 additions & 78 deletions drivers/pci/hotplug/pciehp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -72,15 +72,9 @@ do { \

#define SLOT_NAME_SIZE 10
struct slot {
u8 bus;
u8 device;
u8 state;
u8 hp_slot;
u32 number;
struct controller *ctrl;
struct hpc_ops *hpc_ops;
struct hotplug_slot *hotplug_slot;
struct list_head slot_list;
struct delayed_work work; /* work for button event */
struct mutex lock;
};
Expand All @@ -92,18 +86,10 @@ struct event_info {
};

struct controller {
struct mutex crit_sect; /* critical section mutex */
struct mutex ctrl_lock; /* controller lock */
int num_slots; /* Number of slots on ctlr */
int slot_num_inc; /* 1 or -1 */
struct pci_dev *pci_dev;
struct pcie_device *pcie; /* PCI Express port service */
struct list_head slot_list;
struct hpc_ops *hpc_ops;
struct slot *slot;
wait_queue_head_t queue; /* sleep & wake process */
u8 slot_device_offset;
u32 first_slot; /* First physical slot number */ /* PCIE only has 1 slot */
u8 slot_bus; /* Bus where the slots handled by this controller sit */
u32 slot_cap;
u8 cap_base;
struct timer_list poll_timer;
Expand Down Expand Up @@ -131,40 +117,20 @@ struct controller {
#define POWERON_STATE 3
#define POWEROFF_STATE 4

/* Error messages */
#define INTERLOCK_OPEN 0x00000002
#define ADD_NOT_SUPPORTED 0x00000003
#define CARD_FUNCTIONING 0x00000005
#define ADAPTER_NOT_SAME 0x00000006
#define NO_ADAPTER_PRESENT 0x00000009
#define NOT_ENOUGH_RESOURCES 0x0000000B
#define DEVICE_TYPE_NOT_SUPPORTED 0x0000000C
#define WRONG_BUS_FREQUENCY 0x0000000D
#define POWER_FAILURE 0x0000000E

/* Field definitions in Slot Capabilities Register */
#define ATTN_BUTTN_PRSN 0x00000001
#define PWR_CTRL_PRSN 0x00000002
#define MRL_SENS_PRSN 0x00000004
#define ATTN_LED_PRSN 0x00000008
#define PWR_LED_PRSN 0x00000010
#define HP_SUPR_RM_SUP 0x00000020
#define EMI_PRSN 0x00020000
#define NO_CMD_CMPL_SUP 0x00040000

#define ATTN_BUTTN(ctrl) ((ctrl)->slot_cap & ATTN_BUTTN_PRSN)
#define POWER_CTRL(ctrl) ((ctrl)->slot_cap & PWR_CTRL_PRSN)
#define MRL_SENS(ctrl) ((ctrl)->slot_cap & MRL_SENS_PRSN)
#define ATTN_LED(ctrl) ((ctrl)->slot_cap & ATTN_LED_PRSN)
#define PWR_LED(ctrl) ((ctrl)->slot_cap & PWR_LED_PRSN)
#define HP_SUPR_RM(ctrl) ((ctrl)->slot_cap & HP_SUPR_RM_SUP)
#define EMI(ctrl) ((ctrl)->slot_cap & EMI_PRSN)
#define NO_CMD_CMPL(ctrl) ((ctrl)->slot_cap & NO_CMD_CMPL_SUP)
#define ATTN_BUTTN(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_ABP)
#define POWER_CTRL(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_PCP)
#define MRL_SENS(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_MRLSP)
#define ATTN_LED(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_AIP)
#define PWR_LED(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_PIP)
#define HP_SUPR_RM(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_HPS)
#define EMI(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_EIP)
#define NO_CMD_CMPL(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_NCCS)
#define PSN(ctrl) ((ctrl)->slot_cap >> 19)

extern int pciehp_sysfs_enable_slot(struct slot *slot);
extern int pciehp_sysfs_disable_slot(struct slot *slot);
extern u8 pciehp_handle_attention_button(struct slot *p_slot);
extern u8 pciehp_handle_switch_change(struct slot *p_slot);
extern u8 pciehp_handle_switch_change(struct slot *p_slot);
extern u8 pciehp_handle_presence_change(struct slot *p_slot);
extern u8 pciehp_handle_power_fault(struct slot *p_slot);
extern int pciehp_configure_device(struct slot *p_slot);
Expand All @@ -175,45 +141,30 @@ int pcie_init_notification(struct controller *ctrl);
int pciehp_enable_slot(struct slot *p_slot);
int pciehp_disable_slot(struct slot *p_slot);
int pcie_enable_notification(struct controller *ctrl);
int pciehp_power_on_slot(struct slot *slot);
int pciehp_power_off_slot(struct slot *slot);
int pciehp_get_power_status(struct slot *slot, u8 *status);
int pciehp_get_attention_status(struct slot *slot, u8 *status);

int pciehp_set_attention_status(struct slot *slot, u8 status);
int pciehp_get_latch_status(struct slot *slot, u8 *status);
int pciehp_get_adapter_status(struct slot *slot, u8 *status);
int pciehp_get_max_link_speed(struct slot *slot, enum pci_bus_speed *speed);
int pciehp_get_max_link_width(struct slot *slot, enum pcie_link_width *val);
int pciehp_get_cur_link_speed(struct slot *slot, enum pci_bus_speed *speed);
int pciehp_get_cur_link_width(struct slot *slot, enum pcie_link_width *val);
int pciehp_query_power_fault(struct slot *slot);
void pciehp_green_led_on(struct slot *slot);
void pciehp_green_led_off(struct slot *slot);
void pciehp_green_led_blink(struct slot *slot);
int pciehp_check_link_status(struct controller *ctrl);
void pciehp_release_ctrl(struct controller *ctrl);

static inline const char *slot_name(struct slot *slot)
{
return hotplug_slot_name(slot->hotplug_slot);
}

static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device)
{
struct slot *slot;

list_for_each_entry(slot, &ctrl->slot_list, slot_list) {
if (slot->device == device)
return slot;
}

ctrl_err(ctrl, "Slot (device=0x%02x) not found\n", device);
return NULL;
}

struct hpc_ops {
int (*power_on_slot)(struct slot *slot);
int (*power_off_slot)(struct slot *slot);
int (*get_power_status)(struct slot *slot, u8 *status);
int (*get_attention_status)(struct slot *slot, u8 *status);
int (*set_attention_status)(struct slot *slot, u8 status);
int (*get_latch_status)(struct slot *slot, u8 *status);
int (*get_adapter_status)(struct slot *slot, u8 *status);
int (*get_max_bus_speed)(struct slot *slot, enum pci_bus_speed *speed);
int (*get_cur_bus_speed)(struct slot *slot, enum pci_bus_speed *speed);
int (*get_max_lnk_width)(struct slot *slot, enum pcie_link_width *val);
int (*get_cur_lnk_width)(struct slot *slot, enum pcie_link_width *val);
int (*query_power_fault)(struct slot *slot);
void (*green_led_on)(struct slot *slot);
void (*green_led_off)(struct slot *slot);
void (*green_led_blink)(struct slot *slot);
void (*release_ctlr)(struct controller *ctrl);
int (*check_lnk_status)(struct controller *ctrl);
};

#ifdef CONFIG_ACPI
#include <acpi/acpi.h>
#include <acpi/acpi_bus.h>
Expand Down
17 changes: 11 additions & 6 deletions drivers/pci/hotplug/pciehp_acpi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,11 @@
#define PCIEHP_DETECT_AUTO (2)
#define PCIEHP_DETECT_DEFAULT PCIEHP_DETECT_AUTO

struct dummy_slot {
u32 number;
struct list_head list;
};

static int slot_detection_mode;
static char *pciehp_detect_mode;
module_param(pciehp_detect_mode, charp, 0444);
Expand Down Expand Up @@ -77,7 +82,7 @@ static int __init dummy_probe(struct pcie_device *dev)
int pos;
u32 slot_cap;
acpi_handle handle;
struct slot *slot, *tmp;
struct dummy_slot *slot, *tmp;
struct pci_dev *pdev = dev->port;
/* Note: pciehp_detect_mode != PCIEHP_DETECT_ACPI here */
if (pciehp_get_hp_hw_control_from_firmware(pdev))
Expand All @@ -89,11 +94,11 @@ static int __init dummy_probe(struct pcie_device *dev)
if (!slot)
return -ENOMEM;
slot->number = slot_cap >> 19;
list_for_each_entry(tmp, &dummy_slots, slot_list) {
list_for_each_entry(tmp, &dummy_slots, list) {
if (tmp->number == slot->number)
dup_slot_id++;
}
list_add_tail(&slot->slot_list, &dummy_slots);
list_add_tail(&slot->list, &dummy_slots);
handle = DEVICE_ACPI_HANDLE(&pdev->dev);
if (!acpi_slot_detected && acpi_pci_detect_ejectable(handle))
acpi_slot_detected = 1;
Expand All @@ -109,11 +114,11 @@ static struct pcie_port_service_driver __initdata dummy_driver = {

static int __init select_detection_mode(void)
{
struct slot *slot, *tmp;
struct dummy_slot *slot, *tmp;
pcie_port_service_register(&dummy_driver);
pcie_port_service_unregister(&dummy_driver);
list_for_each_entry_safe(slot, tmp, &dummy_slots, slot_list) {
list_del(&slot->slot_list);
list_for_each_entry_safe(slot, tmp, &dummy_slots, list) {
list_del(&slot->list);
kfree(slot);
}
if (acpi_slot_detected && dup_slot_id)
Expand Down
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