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

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* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (72 commits)
  Revert "x86/PCI: ACPI based PCI gap calculation"
  PCI: remove unnecessary volatile in PCIe hotplug struct controller
  x86/PCI: ACPI based PCI gap calculation
  PCI: include linux/pm_wakeup.h for device_set_wakeup_capable
  PCI PM: Fix pci_prepare_to_sleep
  x86/PCI: Fix PCI config space for domains > 0
  Fix acpi_pm_device_sleep_wake() by providing a stub for CONFIG_PM_SLEEP=n
  PCI: Simplify PCI device PM code
  PCI PM: Introduce pci_prepare_to_sleep and pci_back_from_sleep
  PCI ACPI: Rework PCI handling of wake-up
  ACPI: Introduce new device wakeup flag 'prepared'
  ACPI: Introduce acpi_device_sleep_wake function
  PCI: rework pci_set_power_state function to call platform first
  PCI: Introduce platform_pci_power_manageable function
  ACPI: Introduce acpi_bus_power_manageable function
  PCI: make pci_name use dev_name
  PCI: handle pci_name() being const
  PCI: add stub for pci_set_consistent_dma_mask()
  PCI: remove unused arch pcibios_update_resource() functions
  PCI: fix pci_setup_device()'s sprinting into a const buffer
  ...

Fixed up conflicts in various files (arch/x86/kernel/setup_64.c,
arch/x86/pci/irq.c, arch/x86/pci/pci.h, drivers/acpi/sleep/main.c,
drivers/pci/pci.c, drivers/pci/pci.h, include/acpi/acpi_bus.h) from x86
and ACPI updates manually.
This commit is contained in:
Linus Torvalds
2008-07-16 17:25:46 -07:00
parent 8a0ca91e1d 58b6e55384
commit dc7c65db28
84 changed files with 4005 additions and 1758 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
arch/x86/pci/common.c
View File

@@ -20,6 +20,7 @@
unsigned int pci_probe = PCI_PROBE_BIOS | PCI_PROBE_CONF1 | PCI_PROBE_CONF2 |
PCI_PROBE_MMCONF;
unsigned int pci_early_dump_regs;
static int pci_bf_sort;
int pci_routeirq;
int pcibios_last_bus = -1;
@@ -31,7 +32,7 @@ struct pci_raw_ops *raw_pci_ext_ops;
int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
int reg, int len, u32 *val)
{
if (reg < 256 && raw_pci_ops)
if (domain == 0 && reg < 256 && raw_pci_ops)
return raw_pci_ops->read(domain, bus, devfn, reg, len, val);
if (raw_pci_ext_ops)
return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val);
@@ -41,7 +42,7 @@ int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn,
int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn,
int reg, int len, u32 val)
{
if (reg < 256 && raw_pci_ops)
if (domain == 0 && reg < 256 && raw_pci_ops)
return raw_pci_ops->write(domain, bus, devfn, reg, len, val);
if (raw_pci_ext_ops)
return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val);
@@ -121,6 +122,21 @@ void __init dmi_check_skip_isa_align(void)
dmi_check_system(can_skip_pciprobe_dmi_table);
}
static void __devinit pcibios_fixup_device_resources(struct pci_dev *dev)
{
struct resource *rom_r = &dev->resource[PCI_ROM_RESOURCE];
if (pci_probe & PCI_NOASSIGN_ROMS) {
if (rom_r->parent)
return;
if (rom_r->start) {
/* we deal with BIOS assigned ROM later */
return;
}
rom_r->start = rom_r->end = rom_r->flags = 0;
}
}
/*
* Called after each bus is probed, but before its children
* are examined.
@@ -128,7 +144,11 @@ void __init dmi_check_skip_isa_align(void)
void __devinit pcibios_fixup_bus(struct pci_bus *b)
{
struct pci_dev *dev;
pci_read_bridge_bases(b);
list_for_each_entry(dev, &b->devices, bus_list)
pcibios_fixup_device_resources(dev);
}
/*
@@ -481,12 +501,18 @@ char * __devinit pcibios_setup(char *str)
else if (!strcmp(str, "rom")) {
pci_probe |= PCI_ASSIGN_ROMS;
return NULL;
} else if (!strcmp(str, "norom")) {
pci_probe |= PCI_NOASSIGN_ROMS;
return NULL;
} else if (!strcmp(str, "assign-busses")) {
pci_probe |= PCI_ASSIGN_ALL_BUSSES;
return NULL;
} else if (!strcmp(str, "use_crs")) {
pci_probe |= PCI_USE__CRS;
return NULL;
} else if (!strcmp(str, "earlydump")) {
pci_early_dump_regs = 1;
return NULL;
} else if (!strcmp(str, "routeirq")) {
pci_routeirq = 1;
return NULL;

60
arch/x86/pci/early.c
View File

@@ -49,7 +49,14 @@ void write_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset, u8 val)
{
PDprintk("%x writing to %x: %x\n", slot, offset, val);
outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
outb(val, 0xcfc);
outb(val, 0xcfc + (offset&3));
}
void write_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset, u16 val)
{
PDprintk("%x writing to %x: %x\n", slot, offset, val);
outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8);
outw(val, 0xcfc + (offset&2));
}
int early_pci_allowed(void)
@@ -57,3 +64,54 @@ int early_pci_allowed(void)
return (pci_probe & (PCI_PROBE_CONF1|PCI_PROBE_NOEARLY)) ==
PCI_PROBE_CONF1;
}
void early_dump_pci_device(u8 bus, u8 slot, u8 func)
{
int i;
int j;
u32 val;
printk("PCI: %02x:%02x:%02x", bus, slot, func);
for (i = 0; i < 256; i += 4) {
if (!(i & 0x0f))
printk("\n%04x:",i);
val = read_pci_config(bus, slot, func, i);
for (j = 0; j < 4; j++) {
printk(" %02x", val & 0xff);
val >>= 8;
}
}
printk("\n");
}
void early_dump_pci_devices(void)
{
unsigned bus, slot, func;
if (!early_pci_allowed())
return;
for (bus = 0; bus < 256; bus++) {
for (slot = 0; slot < 32; slot++) {
for (func = 0; func < 8; func++) {
u32 class;
u8 type;
class = read_pci_config(bus, slot, func,
PCI_CLASS_REVISION);
if (class == 0xffffffff)
break;
early_dump_pci_device(bus, slot, func);
/* No multi-function device? */
type = read_pci_config_byte(bus, slot, func,
PCI_HEADER_TYPE);
if (!(type & 0x80))
break;
}
}
}
}

120
arch/x86/pci/irq.c
View File

@@ -45,7 +45,8 @@ struct irq_router {
char *name;
u16 vendor, device;
int (*get)(struct pci_dev *router, struct pci_dev *dev, int pirq);
int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq, int new);
int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq,
int new);
};
struct irq_router_handler {
@@ -77,7 +78,8 @@ static inline struct irq_routing_table *pirq_check_routing_table(u8 *addr)
for (i = 0; i < rt->size; i++)
sum += addr[i];
if (!sum) {
DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n", rt);
DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n",
rt);
return rt;
}
return NULL;
@@ -183,7 +185,8 @@ static unsigned int read_config_nybble(struct pci_dev *router, unsigned offset,
return (nr & 1) ? (x >> 4) : (x & 0xf);
}
static void write_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr, unsigned int val)
static void write_config_nybble(struct pci_dev *router, unsigned offset,
unsigned nr, unsigned int val)
{
u8 x;
unsigned reg = offset + (nr >> 1);
@@ -467,7 +470,8 @@ static int pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int
return inb(0xc01) & 0xf;
}
static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev,
int pirq, int irq)
{
outb(pirq, 0xc00);
outb(irq, 0xc01);
@@ -660,7 +664,8 @@ static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router
}
static __init int serverworks_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
static __init int serverworks_router_probe(struct irq_router *r,
struct pci_dev *router, u16 device)
{
switch (device) {
case PCI_DEVICE_ID_SERVERWORKS_OSB4:
@@ -827,10 +832,12 @@ static void __init pirq_find_router(struct irq_router *r)
for (h = pirq_routers; h->vendor; h++) {
/* First look for a router match */
if (rt->rtr_vendor == h->vendor && h->probe(r, pirq_router_dev, rt->rtr_device))
if (rt->rtr_vendor == h->vendor &&
h->probe(r, pirq_router_dev, rt->rtr_device))
break;
/* Fall back to a device match */
if (pirq_router_dev->vendor == h->vendor && h->probe(r, pirq_router_dev, pirq_router_dev->device))
if (pirq_router_dev->vendor == h->vendor &&
h->probe(r, pirq_router_dev, pirq_router_dev->device))
break;
}
printk(KERN_INFO "PCI: Using IRQ router %s [%04x/%04x] at %s\n",
@@ -845,11 +852,13 @@ static void __init pirq_find_router(struct irq_router *r)
static struct irq_info *pirq_get_info(struct pci_dev *dev)
{
struct irq_routing_table *rt = pirq_table;
int entries = (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info);
int entries = (rt->size - sizeof(struct irq_routing_table)) /
sizeof(struct irq_info);
struct irq_info *info;
for (info = rt->slots; entries--; info++)
if (info->bus == dev->bus->number && PCI_SLOT(info->devfn) == PCI_SLOT(dev->devfn))
if (info->bus == dev->bus->number &&
PCI_SLOT(info->devfn) == PCI_SLOT(dev->devfn))
return info;
return NULL;
}
@@ -890,7 +899,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
DBG(" -> not routed\n" KERN_DEBUG);
return 0;
}
DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask, pirq_table->exclusive_irqs);
DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask,
pirq_table->exclusive_irqs);
mask &= pcibios_irq_mask;
/* Work around broken HP Pavilion Notebooks which assign USB to
@@ -903,7 +913,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
}
/* same for Acer Travelmate 360, but with CB and irq 11 -> 10 */
if (acer_tm360_irqrouting && dev->irq == 11 && dev->vendor == PCI_VENDOR_ID_O2) {
if (acer_tm360_irqrouting && dev->irq == 11 &&
dev->vendor == PCI_VENDOR_ID_O2) {
pirq = 0x68;
mask = 0x400;
dev->irq = r->get(pirq_router_dev, dev, pirq);
@@ -920,15 +931,16 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
newirq = 0;
else
printk("\n" KERN_WARNING
"PCI: IRQ %i for device %s doesn't match PIRQ mask "
"- try pci=usepirqmask\n" KERN_DEBUG, newirq,
pci_name(dev));
"PCI: IRQ %i for device %s doesn't match PIRQ mask - try pci=usepirqmask\n"
KERN_DEBUG, newirq,
pci_name(dev));
}
if (!newirq && assign) {
for (i = 0; i < 16; i++) {
if (!(mask & (1 << i)))
continue;
if (pirq_penalty[i] < pirq_penalty[newirq] && can_request_irq(i, IRQF_SHARED))
if (pirq_penalty[i] < pirq_penalty[newirq] &&
can_request_irq(i, IRQF_SHARED))
newirq = i;
}
}
@@ -944,7 +956,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
DBG(" -> got IRQ %d\n", irq);
msg = "Found";
eisa_set_level_irq(irq);
} else if (newirq && r->set && (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
} else if (newirq && r->set &&
(dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
DBG(" -> assigning IRQ %d", newirq);
if (r->set(pirq_router_dev, dev, pirq, newirq)) {
eisa_set_level_irq(newirq);
@@ -962,7 +975,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
} else
return 0;
}
printk(KERN_INFO "PCI: %s IRQ %d for device %s\n", msg, irq, pci_name(dev));
printk(KERN_INFO "PCI: %s IRQ %d for device %s\n", msg, irq,
pci_name(dev));
/* Update IRQ for all devices with the same pirq value */
while ((dev2 = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev2)) != NULL) {
@@ -974,7 +988,10 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
if (!info)
continue;
if (info->irq[pin].link == pirq) {
/* We refuse to override the dev->irq information. Give a warning! */
/*
* We refuse to override the dev->irq
* information. Give a warning!
*/
if (dev2->irq && dev2->irq != irq && \
(!(pci_probe & PCI_USE_PIRQ_MASK) || \
((1 << dev2->irq) & mask))) {
@@ -987,7 +1004,9 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
dev2->irq = irq;
pirq_penalty[irq]++;
if (dev != dev2)
printk(KERN_INFO "PCI: Sharing IRQ %d with %s\n", irq, pci_name(dev2));
printk(KERN_INFO
"PCI: Sharing IRQ %d with %s\n",
irq, pci_name(dev2));
}
}
return 1;
@@ -1001,15 +1020,21 @@ static void __init pcibios_fixup_irqs(void)
DBG(KERN_DEBUG "PCI: IRQ fixup\n");
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
/*
* If the BIOS has set an out of range IRQ number, just ignore it.
* Also keep track of which IRQ's are already in use.
* If the BIOS has set an out of range IRQ number, just
* ignore it. Also keep track of which IRQ's are
* already in use.
*/
if (dev->irq >= 16) {
DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n", pci_name(dev), dev->irq);
DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n",
pci_name(dev), dev->irq);
dev->irq = 0;
}
/* If the IRQ is already assigned to a PCI device, ignore its ISA use penalty */
if (pirq_penalty[dev->irq] >= 100 && pirq_penalty[dev->irq] < 100000)
/*
* If the IRQ is already assigned to a PCI device,
* ignore its ISA use penalty
*/
if (pirq_penalty[dev->irq] >= 100 &&
pirq_penalty[dev->irq] < 100000)
pirq_penalty[dev->irq] = 0;
pirq_penalty[dev->irq]++;
}
@@ -1025,8 +1050,13 @@ static void __init pcibios_fixup_irqs(void)
int irq;
if (pin) {
pin--; /* interrupt pins are numbered starting from 1 */
irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin);
/*
* interrupt pins are numbered starting
* from 1
*/
pin--;
irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
PCI_SLOT(dev->devfn), pin);
/*
* Busses behind bridges are typically not listed in the MP-table.
* In this case we have to look up the IRQ based on the parent bus,
@@ -1067,7 +1097,8 @@ static int __init fix_broken_hp_bios_irq9(const struct dmi_system_id *d)
{
if (!broken_hp_bios_irq9) {
broken_hp_bios_irq9 = 1;
printk(KERN_INFO "%s detected - fixing broken IRQ routing\n", d->ident);
printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",
d->ident);
}
return 0;
}
@@ -1080,7 +1111,8 @@ static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d)
{
if (!acer_tm360_irqrouting) {
acer_tm360_irqrouting = 1;
printk(KERN_INFO "%s detected - fixing broken IRQ routing\n", d->ident);
printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",
d->ident);
}
return 0;
}
@@ -1092,7 +1124,8 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
DMI_MATCH(DMI_BIOS_VERSION, "GE.M1.03"),
DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook Model GE"),
DMI_MATCH(DMI_PRODUCT_VERSION,
"HP Pavilion Notebook Model GE"),
DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
},
},
@@ -1131,7 +1164,10 @@ int __init pcibios_irq_init(void)
if (!(pirq_table->exclusive_irqs & (1 << i)))
pirq_penalty[i] += 100;
}
/* If we're using the I/O APIC, avoid using the PCI IRQ routing table */
/*
* If we're using the I/O APIC, avoid using the PCI IRQ
* routing table
*/
if (io_apic_assign_pci_irqs)
pirq_table = NULL;
}
@@ -1175,7 +1211,7 @@ static int pirq_enable_irq(struct pci_dev *dev)
if (pin && !pcibios_lookup_irq(dev, 1) && !dev->irq) {
char *msg = "";
pin--; /* interrupt pins are numbered starting from 1 */
pin--; /* interrupt pins are numbered starting from 1 */
if (io_apic_assign_pci_irqs) {
int irq;
@@ -1195,13 +1231,16 @@ static int pirq_enable_irq(struct pci_dev *dev)
irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin);
if (irq >= 0)
printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
pci_name(bridge), 'A' + pin, irq);
printk(KERN_WARNING
"PCI: using PPB %s[%c] to get irq %d\n",
pci_name(bridge),
'A' + pin, irq);
dev = bridge;
}
dev = temp_dev;
if (irq >= 0) {
printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
printk(KERN_INFO
"PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
pci_name(dev), 'A' + pin, irq);
dev->irq = irq;
return 0;
@@ -1212,12 +1251,17 @@ static int pirq_enable_irq(struct pci_dev *dev)
else
msg = " Please try using pci=biosirq.";
/* With IDE legacy devices the IRQ lookup failure is not a problem.. */
if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE && !(dev->class & 0x5))
/*
* With IDE legacy devices the IRQ lookup failure is not
* a problem..
*/
if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE &&
!(dev->class & 0x5))
return 0;
printk(KERN_WARNING "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
'A' + pin, pci_name(dev), msg);
printk(KERN_WARNING
"PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
'A' + pin, pci_name(dev), msg);
}
return 0;
}

1
arch/x86/pci/pci.h
View File

@@ -28,6 +28,7 @@
#define PCI_USE__CRS 0x10000
#define PCI_CHECK_ENABLE_AMD_MMCONF 0x20000
#define PCI_HAS_IO_ECS 0x40000
#define PCI_NOASSIGN_ROMS 0x80000
extern unsigned int pci_probe;
extern unsigned long pirq_table_addr;