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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-11 12:18:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-11 12:18:16 -0800
commit11bd04f6f35621193311c32e0721142b073a7794 (patch)
tree00979740582bb26e8d3756bf3526c85f19f66a46 /drivers/pci
parent4e2ccdb0409146f8cf64a11b6ef82a9c928ced2a (diff)
parent9e0b5b2c447ad0caa075a5cfef86def62e1782ff (diff)
Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (109 commits) PCI: fix coding style issue in pci_save_state() PCI: add pci_request_acs PCI: fix BUG_ON triggered by logical PCIe root port removal PCI: remove ifdefed pci_cleanup_aer_correct_error_status PCI: unconditionally clear AER uncorr status register during cleanup x86/PCI: claim SR-IOV BARs in pcibios_allocate_resource PCI: portdrv: remove redundant definitions PCI: portdrv: remove unnecessary struct pcie_port_data PCI: portdrv: minor cleanup for pcie_port_device_register PCI: portdrv: add missing irq cleanup PCI: portdrv: enable device before irq initialization PCI: portdrv: cleanup service irqs initialization PCI: portdrv: check capabilities first PCI: portdrv: move PME capability check PCI: portdrv: remove redundant pcie type calculation PCI: portdrv: cleanup pcie_device registration PCI: portdrv: remove redundant pcie_port_device_probe PCI: Always set prefetchable base/limit upper32 registers PCI: read-modify-write the pcie device control register when initiating pcie flr PCI: show dma_mask bits in /sys ... Fixed up conflicts in: arch/x86/kernel/amd_iommu_init.c drivers/pci/dmar.c drivers/pci/hotplug/acpiphp_glue.c
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/Kconfig15
-rw-r--r--drivers/pci/Makefile2
-rw-r--r--drivers/pci/dmar.c7
-rw-r--r--drivers/pci/hotplug/Makefile12
-rw-r--r--drivers/pci/hotplug/acpi_pcihp.c5
-rw-r--r--drivers/pci/hotplug/acpiphp.h6
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c248
-rw-r--r--drivers/pci/hotplug/ibmphp_hpc.c3
-rw-r--r--drivers/pci/hotplug/pci_hotplug_core.c22
-rw-r--r--drivers/pci/hotplug/pciehp.h1
-rw-r--r--drivers/pci/hotplug/pciehp_acpi.c3
-rw-r--r--drivers/pci/hotplug/pciehp_core.c119
-rw-r--r--drivers/pci/hotplug/pciehp_ctrl.c57
-rw-r--r--drivers/pci/hotplug/pciehp_hpc.c155
-rw-r--r--drivers/pci/hotplug/pcihp_slot.c4
-rw-r--r--drivers/pci/intel-iommu.c10
-rw-r--r--drivers/pci/intr_remapping.c4
-rw-r--r--drivers/pci/ioapic.c127
-rw-r--r--drivers/pci/iov.c2
-rw-r--r--drivers/pci/pci-acpi.c4
-rw-r--r--drivers/pci/pci-sysfs.c25
-rw-r--r--drivers/pci/pci.c154
-rw-r--r--drivers/pci/pci.h2
-rw-r--r--drivers/pci/pcie/aer/aer_inject.c58
-rw-r--r--drivers/pci/pcie/aer/aerdrv.c4
-rw-r--r--drivers/pci/pcie/aer/aerdrv_core.c70
-rw-r--r--drivers/pci/pcie/aer/ecrc.c4
-rw-r--r--drivers/pci/pcie/aspm.c41
-rw-r--r--drivers/pci/pcie/portdrv.h21
-rw-r--r--drivers/pci/pcie/portdrv_bus.c7
-rw-r--r--drivers/pci/pcie/portdrv_core.c239
-rw-r--r--drivers/pci/pcie/portdrv_pci.c14
-rw-r--r--drivers/pci/probe.c83
-rw-r--r--drivers/pci/quirks.c40
-rw-r--r--drivers/pci/search.c38
-rw-r--r--drivers/pci/setup-bus.c112
-rw-r--r--drivers/pci/setup-res.c68
37 files changed, 818 insertions, 968 deletions
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index fdc864f9cf23..b1ecefa2a23d 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -27,10 +27,10 @@ config PCI_LEGACY
default y
help
Say Y here if you want to include support for the deprecated
- pci_find_slot() and pci_find_device() APIs. Most drivers have
- been converted over to using the proper hotplug APIs, so this
- option serves to include/exclude only a few drivers that are
- still using this API.
+ pci_find_device() API. Most drivers have been converted over
+ to using the proper hotplug APIs, so this option serves to
+ include/exclude only a few drivers that are still using this
+ API.
config PCI_DEBUG
bool "PCI Debugging"
@@ -69,3 +69,10 @@ config PCI_IOV
physical resources.
If unsure, say N.
+
+config PCI_IOAPIC
+ bool
+ depends on PCI
+ depends on ACPI
+ depends on HOTPLUG
+ default y
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 4a7f11d8f432..4df48d58eaa6 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -14,6 +14,8 @@ CFLAGS_legacy.o += -Wno-deprecated-declarations
# Build PCI Express stuff if needed
obj-$(CONFIG_PCIEPORTBUS) += pcie/
+obj-$(CONFIG_PCI_IOAPIC) += ioapic.o
+
obj-$(CONFIG_HOTPLUG) += hotplug.o
# Build the PCI Hotplug drivers if we were asked to
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 416f6ac65b76..6cdc931f7c17 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -320,7 +320,7 @@ found:
for (bus = dev->bus; bus; bus = bus->parent) {
struct pci_dev *bridge = bus->self;
- if (!bridge || !bridge->is_pcie ||
+ if (!bridge || !pci_is_pcie(bridge) ||
bridge->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE)
return 0;
@@ -645,8 +645,11 @@ void __init detect_intel_iommu(void)
"x2apic and Intr-remapping.\n");
#endif
#ifdef CONFIG_DMAR
- if (ret && !no_iommu && !iommu_detected && !dmar_disabled)
+ if (ret && !no_iommu && !iommu_detected && !dmar_disabled) {
iommu_detected = 1;
+ /* Make sure ACS will be enabled */
+ pci_request_acs();
+ }
#endif
#ifdef CONFIG_X86
if (ret)
diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile
index 3625b094bf7e..6cd9f3c9887d 100644
--- a/drivers/pci/hotplug/Makefile
+++ b/drivers/pci/hotplug/Makefile
@@ -6,18 +6,22 @@ obj-$(CONFIG_HOTPLUG_PCI) += pci_hotplug.o
obj-$(CONFIG_HOTPLUG_PCI_COMPAQ) += cpqphp.o
obj-$(CONFIG_HOTPLUG_PCI_IBM) += ibmphp.o
-# pciehp should be linked before acpiphp in order to allow the native driver
-# to attempt to bind first. We can then fall back to generic support.
+# native drivers should be linked before acpiphp in order to allow the
+# native driver to attempt to bind first. We can then fall back to
+# generic support.
obj-$(CONFIG_HOTPLUG_PCI_PCIE) += pciehp.o
-obj-$(CONFIG_HOTPLUG_PCI_ACPI) += acpiphp.o
-obj-$(CONFIG_HOTPLUG_PCI_ACPI_IBM) += acpiphp_ibm.o
obj-$(CONFIG_HOTPLUG_PCI_CPCI_ZT5550) += cpcihp_zt5550.o
obj-$(CONFIG_HOTPLUG_PCI_CPCI_GENERIC) += cpcihp_generic.o
obj-$(CONFIG_HOTPLUG_PCI_SHPC) += shpchp.o
obj-$(CONFIG_HOTPLUG_PCI_RPA) += rpaphp.o
obj-$(CONFIG_HOTPLUG_PCI_RPA_DLPAR) += rpadlpar_io.o
obj-$(CONFIG_HOTPLUG_PCI_SGI) += sgi_hotplug.o
+obj-$(CONFIG_HOTPLUG_PCI_ACPI) += acpiphp.o
+
+# acpiphp_ibm extends acpiphp, so should be linked afterwards.
+
+obj-$(CONFIG_HOTPLUG_PCI_ACPI_IBM) += acpiphp_ibm.o
# Link this last so it doesn't claim devices that have a real hotplug driver
obj-$(CONFIG_HOTPLUG_PCI_FAKE) += fakephp.o
diff --git a/drivers/pci/hotplug/acpi_pcihp.c b/drivers/pci/hotplug/acpi_pcihp.c
index 0f32571b94df..3c76fc67cf0e 100644
--- a/drivers/pci/hotplug/acpi_pcihp.c
+++ b/drivers/pci/hotplug/acpi_pcihp.c
@@ -362,6 +362,8 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev, u32 flags)
status = acpi_pci_osc_control_set(handle, flags);
if (ACPI_SUCCESS(status))
goto got_one;
+ if (status == AE_SUPPORT)
+ goto no_control;
kfree(string.pointer);
string = (struct acpi_buffer){ ACPI_ALLOCATE_BUFFER, NULL };
}
@@ -394,10 +396,9 @@ int acpi_get_hp_hw_control_from_firmware(struct pci_dev *pdev, u32 flags)
if (ACPI_FAILURE(status))
break;
}
-
+no_control:
dbg("Cannot get control of hotplug hardware for pci %s\n",
pci_name(pdev));
-
kfree(string.pointer);
return -ENODEV;
got_one:
diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h
index 7d938df79206..bab52047baa8 100644
--- a/drivers/pci/hotplug/acpiphp.h
+++ b/drivers/pci/hotplug/acpiphp.h
@@ -146,12 +146,6 @@ struct acpiphp_attention_info
struct module *owner;
};
-struct acpiphp_ioapic {
- struct pci_dev *dev;
- u32 gsi_base;
- struct list_head list;
-};
-
/* PCI bus bridge HID */
#define ACPI_PCI_HOST_HID "PNP0A03"
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index df1b0ea089d1..8e952fdab764 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -52,8 +52,6 @@
#include "acpiphp.h"
static LIST_HEAD(bridge_list);
-static LIST_HEAD(ioapic_list);
-static DEFINE_SPINLOCK(ioapic_list_lock);
#define MY_NAME "acpiphp_glue"
@@ -311,17 +309,13 @@ static void init_bridge_misc(struct acpiphp_bridge *bridge)
/* find acpiphp_func from acpiphp_bridge */
static struct acpiphp_func *acpiphp_bridge_handle_to_function(acpi_handle handle)
{
- struct list_head *node, *l;
struct acpiphp_bridge *bridge;
struct acpiphp_slot *slot;
struct acpiphp_func *func;
- list_for_each(node, &bridge_list) {
- bridge = list_entry(node, struct acpiphp_bridge, list);
+ list_for_each_entry(bridge, &bridge_list, list) {
for (slot = bridge->slots; slot; slot = slot->next) {
- list_for_each(l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func,
- sibling);
+ list_for_each_entry(func, &slot->funcs, sibling) {
if (func->handle == handle)
return func;
}
@@ -495,21 +489,19 @@ static int add_bridge(acpi_handle handle)
static struct acpiphp_bridge *acpiphp_handle_to_bridge(acpi_handle handle)
{
- struct list_head *head;
- list_for_each(head, &bridge_list) {
- struct acpiphp_bridge *bridge = list_entry(head,
- struct acpiphp_bridge, list);
+ struct acpiphp_bridge *bridge;
+
+ list_for_each_entry(bridge, &bridge_list, list)
if (bridge->handle == handle)
return bridge;
- }
return NULL;
}
static void cleanup_bridge(struct acpiphp_bridge *bridge)
{
- struct list_head *list, *tmp;
- struct acpiphp_slot *slot;
+ struct acpiphp_slot *slot, *next;
+ struct acpiphp_func *func, *tmp;
acpi_status status;
acpi_handle handle = bridge->handle;
@@ -530,10 +522,8 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
slot = bridge->slots;
while (slot) {
- struct acpiphp_slot *next = slot->next;
- list_for_each_safe (list, tmp, &slot->funcs) {
- struct acpiphp_func *func;
- func = list_entry(list, struct acpiphp_func, sibling);
+ next = slot->next;
+ list_for_each_entry_safe(func, tmp, &slot->funcs, sibling) {
if (is_dock_device(func->handle)) {
unregister_hotplug_dock_device(func->handle);
unregister_dock_notifier(&func->nb);
@@ -545,7 +535,7 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge)
if (ACPI_FAILURE(status))
err("failed to remove notify handler\n");
}
- list_del(list);
+ list_del(&func->sibling);
kfree(func);
}
acpiphp_unregister_hotplug_slot(slot);
@@ -606,204 +596,17 @@ static void remove_bridge(acpi_handle handle)
handle_hotplug_event_bridge);
}
-static struct pci_dev * get_apic_pci_info(acpi_handle handle)
-{
- struct pci_dev *dev;
-
- dev = acpi_get_pci_dev(handle);
- if (!dev)
- return NULL;
-
- if ((dev->class != PCI_CLASS_SYSTEM_PIC_IOAPIC) &&
- (dev->class != PCI_CLASS_SYSTEM_PIC_IOXAPIC))
- {
- pci_dev_put(dev);
- return NULL;
- }
-
- return dev;
-}
-
-static int get_gsi_base(acpi_handle handle, u32 *gsi_base)
-{
- acpi_status status;
- int result = -1;
- unsigned long long gsb;
- struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
- union acpi_object *obj;
- void *table;
-
- status = acpi_evaluate_integer(handle, "_GSB", NULL, &gsb);
- if (ACPI_SUCCESS(status)) {
- *gsi_base = (u32)gsb;
- return 0;
- }
-
- status = acpi_evaluate_object(handle, "_MAT", NULL, &buffer);
- if (ACPI_FAILURE(status) || !buffer.length || !buffer.pointer)
- return -1;
-
- obj = buffer.pointer;
- if (obj->type != ACPI_TYPE_BUFFER)
- goto out;
-
- table = obj->buffer.pointer;
- switch (((struct acpi_subtable_header *)table)->type) {
- case ACPI_MADT_TYPE_IO_SAPIC:
- *gsi_base = ((struct acpi_madt_io_sapic *)table)->global_irq_base;
- result = 0;
- break;
- case ACPI_MADT_TYPE_IO_APIC:
- *gsi_base = ((struct acpi_madt_io_apic *)table)->global_irq_base;
- result = 0;
- break;
- default:
- break;
- }
- out:
- kfree(buffer.pointer);
- return result;
-}
-
-static acpi_status
-ioapic_add(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
- acpi_status status;
- unsigned long long sta;
- acpi_handle tmp;
- struct pci_dev *pdev;
- u32 gsi_base;
- u64 phys_addr;
- struct acpiphp_ioapic *ioapic;
-
- /* Evaluate _STA if present */
- status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
- if (ACPI_SUCCESS(status) && sta != ACPI_STA_ALL)
- return AE_CTRL_DEPTH;
-
- /* Scan only PCI bus scope */
- status = acpi_get_handle(handle, "_HID", &tmp);
- if (ACPI_SUCCESS(status))
- return AE_CTRL_DEPTH;
-
- if (get_gsi_base(handle, &gsi_base))
- return AE_OK;
-
- ioapic = kmalloc(sizeof(*ioapic), GFP_KERNEL);
- if (!ioapic)
- return AE_NO_MEMORY;
-
- pdev = get_apic_pci_info(handle);
- if (!pdev)
- goto exit_kfree;
-
- if (pci_enable_device(pdev))
- goto exit_pci_dev_put;
-
- pci_set_master(pdev);
-
- if (pci_request_region(pdev, 0, "I/O APIC(acpiphp)"))
- goto exit_pci_disable_device;
-
- phys_addr = pci_resource_start(pdev, 0);
- if (acpi_register_ioapic(handle, phys_addr, gsi_base))
- goto exit_pci_release_region;
-
- ioapic->gsi_base = gsi_base;
- ioapic->dev = pdev;
- spin_lock(&ioapic_list_lock);
- list_add_tail(&ioapic->list, &ioapic_list);
- spin_unlock(&ioapic_list_lock);
-
- return AE_OK;
-
- exit_pci_release_region:
- pci_release_region(pdev, 0);
- exit_pci_disable_device:
- pci_disable_device(pdev);
- exit_pci_dev_put:
- pci_dev_put(pdev);
- exit_kfree:
- kfree(ioapic);
-
- return AE_OK;
-}
-
-static acpi_status
-ioapic_remove(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
- acpi_status status;
- unsigned long long sta;
- acpi_handle tmp;
- u32 gsi_base;
- struct acpiphp_ioapic *pos, *n, *ioapic = NULL;
-
- /* Evaluate _STA if present */
- status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
- if (ACPI_SUCCESS(status) && sta != ACPI_STA_ALL)
- return AE_CTRL_DEPTH;
-
- /* Scan only PCI bus scope */
- status = acpi_get_handle(handle, "_HID", &tmp);
- if (ACPI_SUCCESS(status))
- return AE_CTRL_DEPTH;
-
- if (get_gsi_base(handle, &gsi_base))
- return AE_OK;
-
- acpi_unregister_ioapic(handle, gsi_base);
-
- spin_lock(&ioapic_list_lock);
- list_for_each_entry_safe(pos, n, &ioapic_list, list) {
- if (pos->gsi_base != gsi_base)
- continue;
- ioapic = pos;
- list_del(&ioapic->list);
- break;
- }
- spin_unlock(&ioapic_list_lock);
-
- if (!ioapic)
- return AE_OK;
-
- pci_release_region(ioapic->dev, 0);
- pci_disable_device(ioapic->dev);
- pci_dev_put(ioapic->dev);
- kfree(ioapic);
-
- return AE_OK;
-}
-
-static int acpiphp_configure_ioapics(acpi_handle handle)
-{
- ioapic_add(handle, 0, NULL, NULL);
- acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
- ACPI_UINT32_MAX, ioapic_add, NULL, NULL, NULL);
- return 0;
-}
-
-static int acpiphp_unconfigure_ioapics(acpi_handle handle)
-{
- ioapic_remove(handle, 0, NULL, NULL);
- acpi_walk_namespace(ACPI_TYPE_DEVICE, handle,
- ACPI_UINT32_MAX, ioapic_remove, NULL, NULL, NULL);
- return 0;
-}
-
static int power_on_slot(struct acpiphp_slot *slot)
{
acpi_status status;
struct acpiphp_func *func;
- struct list_head *l;
int retval = 0;
/* if already enabled, just skip */
if (slot->flags & SLOT_POWEREDON)
goto err_exit;
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
if (func->flags & FUNC_HAS_PS0) {
dbg("%s: executing _PS0\n", __func__);
status = acpi_evaluate_object(func->handle, "_PS0", NULL, NULL);
@@ -829,7 +632,6 @@ static int power_off_slot(struct acpiphp_slot *slot)
{
acpi_status status;
struct acpiphp_func *func;
- struct list_head *l;
int retval = 0;
@@ -837,9 +639,7 @@ static int power_off_slot(struct acpiphp_slot *slot)
if ((slot->flags & SLOT_POWEREDON) == 0)
goto err_exit;
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
if (func->flags & FUNC_HAS_PS3) {
status = acpi_evaluate_object(func->handle, "_PS3", NULL, NULL);
if (ACPI_FAILURE(status)) {
@@ -966,7 +766,6 @@ static int __ref enable_device(struct acpiphp_slot *slot)
{
struct pci_dev *dev;
struct pci_bus *bus = slot->bridge->pci_bus;
- struct list_head *l;
struct acpiphp_func *func;
int retval = 0;
int num, max, pass;
@@ -1006,21 +805,16 @@ static int __ref enable_device(struct acpiphp_slot *slot)
}
}
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
+ list_for_each_entry(func, &slot->funcs, sibling)
acpiphp_bus_add(func);
- }
pci_bus_assign_resources(bus);
acpiphp_sanitize_bus(bus);
acpiphp_set_hpp_values(bus);
- list_for_each_entry(func, &slot->funcs, sibling)
- acpiphp_configure_ioapics(func->handle);
pci_enable_bridges(bus);
pci_bus_add_devices(bus);
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
+ list_for_each_entry(func, &slot->funcs, sibling) {
dev = pci_get_slot(bus, PCI_DEVFN(slot->device,
func->function));
if (!dev)
@@ -1091,7 +885,6 @@ static int disable_device(struct acpiphp_slot *slot)
}
list_for_each_entry(func, &slot->funcs, sibling) {
- acpiphp_unconfigure_ioapics(func->handle);
acpiphp_bus_trim(func->handle);
}
@@ -1119,12 +912,9 @@ static unsigned int get_slot_status(struct acpiphp_slot *slot)
acpi_status status;
unsigned long long sta = 0;
u32 dvid;
- struct list_head *l;
struct acpiphp_func *func;
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
if (func->flags & FUNC_HAS_STA) {
status = acpi_evaluate_integer(func->handle, "_STA", NULL, &sta);
if (ACPI_SUCCESS(status) && sta)
@@ -1152,13 +942,10 @@ int acpiphp_eject_slot(struct acpiphp_slot *slot)
{
acpi_status status;
struct acpiphp_func *func;
- struct list_head *l;
struct acpi_object_list arg_list;
union acpi_object arg;
- list_for_each (l, &slot->funcs) {
- func = list_entry(l, struct acpiphp_func, sibling);
-
+ list_for_each_entry(func, &slot->funcs, sibling) {
/* We don't want to call _EJ0 on non-existing functions. */
if ((func->flags & FUNC_HAS_EJ0)) {
/* _EJ0 method take one argument */
@@ -1275,7 +1062,6 @@ static int acpiphp_configure_bridge (acpi_handle handle)
acpiphp_sanitize_bus(bus);
acpiphp_set_hpp_values(bus);
pci_enable_bridges(bus);
- acpiphp_configure_ioapics(handle);
return 0;
}
@@ -1542,7 +1328,7 @@ int __init acpiphp_get_num_slots(void)
struct acpiphp_bridge *bridge;
int num_slots = 0;
- list_for_each_entry (bridge, &bridge_list, list) {
+ list_for_each_entry(bridge, &bridge_list, list) {
dbg("Bus %04x:%02x has %d slot%s\n",
pci_domain_nr(bridge->pci_bus),
bridge->pci_bus->number, bridge->nr_slots,
diff --git a/drivers/pci/hotplug/ibmphp_hpc.c b/drivers/pci/hotplug/ibmphp_hpc.c
index 83f337c891a9..c7084f0eca5a 100644
--- a/drivers/pci/hotplug/ibmphp_hpc.c
+++ b/drivers/pci/hotplug/ibmphp_hpc.c
@@ -890,7 +890,7 @@ static int poll_hpc(void *data)
msleep(POLL_INTERVAL_SEC * 1000);
if (kthread_should_stop())
- break;
+ goto out_sleep;
down (&semOperations);
@@ -904,6 +904,7 @@ static int poll_hpc(void *data)
/* give up the hardware semaphore */
up (&semOperations);
/* sleep for a short time just for good measure */
+out_sleep:
msleep(100);
}
up (&sem_exit);
diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c
index 0325d989bb46..38183a534b65 100644
--- a/drivers/pci/hotplug/pci_hotplug_core.c
+++ b/drivers/pci/hotplug/pci_hotplug_core.c
@@ -68,26 +68,26 @@ static DEFINE_MUTEX(pci_hp_mutex);
static char *pci_bus_speed_strings[] = {
"33 MHz PCI", /* 0x00 */
"66 MHz PCI", /* 0x01 */
- "66 MHz PCIX", /* 0x02 */
- "100 MHz PCIX", /* 0x03 */
- "133 MHz PCIX", /* 0x04 */
+ "66 MHz PCI-X", /* 0x02 */
+ "100 MHz PCI-X", /* 0x03 */
+ "133 MHz PCI-X", /* 0x04 */
NULL, /* 0x05 */
NULL, /* 0x06 */
NULL, /* 0x07 */
NULL, /* 0x08 */
- "66 MHz PCIX 266", /* 0x09 */
- "100 MHz PCIX 266", /* 0x0a */
- "133 MHz PCIX 266", /* 0x0b */
+ "66 MHz PCI-X 266", /* 0x09 */
+ "100 MHz PCI-X 266", /* 0x0a */
+ "133 MHz PCI-X 266", /* 0x0b */
NULL, /* 0x0c */
NULL, /* 0x0d */
NULL, /* 0x0e */
NULL, /* 0x0f */
NULL, /* 0x10 */
- "66 MHz PCIX 533", /* 0x11 */
- "100 MHz PCIX 533", /* 0x12 */
- "133 MHz PCIX 533", /* 0x13 */
- "2.5 GT/s PCI-E", /* 0x14 */
- "5.0 GT/s PCI-E", /* 0x15 */
+ "66 MHz PCI-X 533", /* 0x11 */
+ "100 MHz PCI-X 533", /* 0x12 */
+ "133 MHz PCI-X 533", /* 0x13 */
+ "2.5 GT/s PCIe", /* 0x14 */
+ "5.0 GT/s PCIe", /* 0x15 */
};
#ifdef CONFIG_HOTPLUG_PCI_CPCI
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h
index 3070f77eb56a..4ed76b47b6dc 100644
--- a/drivers/pci/hotplug/pciehp.h
+++ b/drivers/pci/hotplug/pciehp.h
@@ -91,7 +91,6 @@ struct controller {
struct slot *slot;
wait_queue_head_t queue; /* sleep & wake process */
u32 slot_cap;
- u8 cap_base;
struct timer_list poll_timer;
unsigned int cmd_busy:1;
unsigned int no_cmd_complete:1;
diff --git a/drivers/pci/hotplug/pciehp_acpi.c b/drivers/pci/hotplug/pciehp_acpi.c
index 37c8d3d0323e..b09b083011d6 100644
--- a/drivers/pci/hotplug/pciehp_acpi.c
+++ b/drivers/pci/hotplug/pciehp_acpi.c
@@ -87,7 +87,8 @@ static int __init dummy_probe(struct pcie_device *dev)
/* Note: pciehp_detect_mode != PCIEHP_DETECT_ACPI here */
if (pciehp_get_hp_hw_control_from_firmware(pdev))
return -ENODEV;
- if (!(pos = pci_find_capability(pdev, PCI_CAP_ID_EXP)))
+ pos = pci_pcie_cap(pdev);
+ if (!pos)
return -ENODEV;
pci_read_config_dword(pdev, pos + PCI_EXP_SLTCAP, &slot_cap);
slot = kzalloc(sizeof(*slot), GFP_KERNEL);
diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c
index bc234719b1df..5674b2075bdc 100644
--- a/drivers/pci/hotplug/pciehp_core.c
+++ b/drivers/pci/hotplug/pciehp_core.c
@@ -72,18 +72,6 @@ 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 pciehp_hotplug_slot_ops = {
- .set_attention_status = set_attention_status,
- .enable_slot = enable_slot,
- .disable_slot = disable_slot,
- .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,
-};
-
/**
* release_slot - free up the memory used by a slot
* @hotplug_slot: slot to free
@@ -95,6 +83,7 @@ static void release_slot(struct hotplug_slot *hotplug_slot)
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, hotplug_slot_name(hotplug_slot));
+ kfree(hotplug_slot->ops);
kfree(hotplug_slot->info);
kfree(hotplug_slot);
}
@@ -104,6 +93,7 @@ static int init_slot(struct controller *ctrl)
struct slot *slot = ctrl->slot;
struct hotplug_slot *hotplug = NULL;
struct hotplug_slot_info *info = NULL;
+ struct hotplug_slot_ops *ops = NULL;
char name[SLOT_NAME_SIZE];
int retval = -ENOMEM;
@@ -115,11 +105,28 @@ static int init_slot(struct controller *ctrl)
if (!info)
goto out;
+ /* Setup hotplug slot ops */
+ ops = kzalloc(sizeof(*ops), GFP_KERNEL);
+ if (!ops)
+ goto out;
+ ops->enable_slot = enable_slot;
+ ops->disable_slot = disable_slot;
+ ops->get_power_status = get_power_status;
+ ops->get_adapter_status = get_adapter_status;
+ ops->get_max_bus_speed = get_max_bus_speed;
+ ops->get_cur_bus_speed = get_cur_bus_speed;
+ if (MRL_SENS(ctrl))
+ ops->get_latch_status = get_latch_status;
+ if (ATTN_LED(ctrl)) {
+ ops->get_attention_status = get_attention_status;
+ ops->set_attention_status = set_attention_status;
+ }
+
/* register this slot with the hotplug pci core */
hotplug->info = info;
hotplug->private = slot;
hotplug->release = &release_slot;
- hotplug->ops = &pciehp_hotplug_slot_ops;
+ hotplug->ops = ops;
slot->hotplug_slot = hotplug;
snprintf(name, SLOT_NAME_SIZE, "%u", PSN(ctrl));
@@ -128,17 +135,12 @@ static int init_slot(struct controller *ctrl)
ctrl->pcie->port->subordinate->number, PSN(ctrl));
retval = pci_hp_register(hotplug,
ctrl->pcie->port->subordinate, 0, name);
- if (retval) {
+ if (retval)
ctrl_err(ctrl,
"pci_hp_register failed with error %d\n", retval);
- goto out;
- }
- get_power_status(hotplug, &info->power_status);
- get_attention_status(hotplug, &info->attention_status);
- get_latch_status(hotplug, &info->latch_status);
- get_adapter_status(hotplug, &info->adapter_status);
out:
if (retval) {
+ kfree(ops);
kfree(info);
kfree(hotplug);
}
@@ -160,12 +162,7 @@ static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 status)
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- hotplug_slot->info->attention_status = status;
-
- if (ATTN_LED(slot->ctrl))
- pciehp_set_attention_status(slot, status);
-
- return 0;
+ return pciehp_set_attention_status(slot, status);
}
@@ -193,92 +190,62 @@ static int disable_slot(struct hotplug_slot *hotplug_slot)
static int get_power_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_power_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->power_status;
-
- return 0;
+ return pciehp_get_power_status(slot, value);
}
static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_attention_status(slot, value);
- if (retval < 0)
- *value = hotplug_slot->info->attention_status;
-
- return 0;
+ return pciehp_get_attention_status(slot, value);
}
static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 *value)
{
struct slot *slot = hotplug_slot->private;
- int retval;
ctrl_dbg(slot->ctrl, "%s: physical_slot = %s\n",
__func__, slot_name(slot));
- retval = pciehp_get_latch_statu