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authorIngo Molnar <mingo@elte.hu>2008-07-17 23:57:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-17 23:57:20 +0200
commit393d81aa026e19b6ede6f5f11955c97ee62e5df5 (patch)
treea1d9511e488e19d41089ff0a736f6ce52a81c6e5 /arch
parent93a0886e2368eafb9df5e2021fb185195cee88b2 (diff)
parent5b664cb235e97afbf34db9c4d77f08ebd725335e (diff)
downloadkernel-crypto-393d81aa026e19b6ede6f5f11955c97ee62e5df5.tar.gz
kernel-crypto-393d81aa026e19b6ede6f5f11955c97ee62e5df5.tar.xz
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Merge branch 'linus' into xen-64bit
Diffstat (limited to 'arch')
-rw-r--r--arch/avr32/boards/atngw100/setup.c7
-rw-r--r--arch/avr32/boards/atstk1000/atstk1002.c3
-rw-r--r--arch/avr32/mach-at32ap/at32ap700x.c30
-rw-r--r--arch/frv/mb93090-mb00/pci-frv.c30
-rw-r--r--arch/ia64/kernel/process.c4
-rw-r--r--arch/ia64/kvm/kvm-ia64.c4
-rw-r--r--arch/ia64/kvm/kvm_fw.c2
-rw-r--r--arch/m68knommu/kernel/comempci.c9
-rw-r--r--arch/mips/pmc-sierra/yosemite/ht.c36
-rw-r--r--arch/powerpc/platforms/82xx/ep8248e.c4
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/kernel/stacktrace.c1
-rw-r--r--arch/sh/drivers/pci/pci.c32
-rw-r--r--arch/sparc64/kernel/pci.c2
-rw-r--r--arch/x86/kernel/Makefile3
-rw-r--r--arch/x86/kernel/acpi/processor.c6
-rw-r--r--arch/x86/kernel/acpi/sleep.c2
-rw-r--r--arch/x86/kernel/apm_32.c8
-rw-r--r--arch/x86/kernel/early-quirks.c26
-rw-r--r--arch/x86/kernel/numaq_32.c2
-rw-r--r--arch/x86/kernel/process.c28
-rw-r--r--arch/x86/kernel/setup.c5
-rw-r--r--arch/x86/mm/init_64.c2
-rw-r--r--arch/x86/mm/srat_32.c3
-rw-r--r--arch/x86/pci/common.c30
-rw-r--r--arch/x86/pci/early.c60
-rw-r--r--arch/x86/pci/irq.c120
-rw-r--r--arch/x86/pci/pci.h1
28 files changed, 288 insertions, 174 deletions
diff --git a/arch/avr32/boards/atngw100/setup.c b/arch/avr32/boards/atngw100/setup.c
index a51bb9fb3c8..c7fe94d03a1 100644
--- a/arch/avr32/boards/atngw100/setup.c
+++ b/arch/avr32/boards/atngw100/setup.c
@@ -19,6 +19,7 @@
#include <linux/leds.h>
#include <linux/spi/spi.h>
+#include <asm/atmel-mci.h>
#include <asm/io.h>
#include <asm/setup.h>
@@ -51,6 +52,11 @@ static struct spi_board_info spi0_board_info[] __initdata = {
},
};
+static struct mci_platform_data __initdata mci0_data = {
+ .detect_pin = GPIO_PIN_PC(25),
+ .wp_pin = GPIO_PIN_PE(0),
+};
+
/*
* The next two functions should go away as the boot loader is
* supposed to initialize the macb address registers with a valid
@@ -170,6 +176,7 @@ static int __init atngw100_init(void)
set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+ at32_add_device_mci(0, &mci0_data);
at32_add_device_usba(0, NULL);
for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c
index 86b363c1c25..e11659b732f 100644
--- a/arch/avr32/boards/atstk1000/atstk1002.c
+++ b/arch/avr32/boards/atstk1000/atstk1002.c
@@ -234,6 +234,9 @@ static int __init atstk1002_init(void)
#ifdef CONFIG_BOARD_ATSTK100X_SPI1
at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
#endif
+#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+ at32_add_device_mci(0, NULL);
+#endif
#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
#else
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index 07b21b121ee..021d5121718 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -14,6 +14,7 @@
#include <linux/spi/spi.h>
#include <linux/usb/atmel_usba_udc.h>
+#include <asm/atmel-mci.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -1278,20 +1279,32 @@ static struct clk atmel_mci0_pclk = {
.index = 9,
};
-struct platform_device *__init at32_add_device_mci(unsigned int id)
+struct platform_device *__init
+at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
{
- struct platform_device *pdev;
+ struct mci_platform_data _data;
+ struct platform_device *pdev;
+ struct dw_dma_slave *dws;
if (id != 0)
return NULL;
pdev = platform_device_alloc("atmel_mci", id);
if (!pdev)
- return NULL;
+ goto fail;
if (platform_device_add_resources(pdev, atmel_mci0_resource,
ARRAY_SIZE(atmel_mci0_resource)))
- goto err_add_resources;
+ goto fail;
+
+ if (!data) {
+ data = &_data;
+ memset(data, 0, sizeof(struct mci_platform_data));
+ }
+
+ if (platform_device_add_data(pdev, data,
+ sizeof(struct mci_platform_data)))
+ goto fail;
select_peripheral(PA(10), PERIPH_A, 0); /* CLK */
select_peripheral(PA(11), PERIPH_A, 0); /* CMD */
@@ -1300,12 +1313,19 @@ struct platform_device *__init at32_add_device_mci(unsigned int id)
select_peripheral(PA(14), PERIPH_A, 0); /* DATA2 */
select_peripheral(PA(15), PERIPH_A, 0); /* DATA3 */
+ if (data) {
+ if (data->detect_pin != GPIO_PIN_NONE)
+ at32_select_gpio(data->detect_pin, 0);
+ if (data->wp_pin != GPIO_PIN_NONE)
+ at32_select_gpio(data->wp_pin, 0);
+ }
+
atmel_mci0_pclk.dev = &pdev->dev;
platform_device_add(pdev);
return pdev;
-err_add_resources:
+fail:
platform_device_put(pdev);
return NULL;
}
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index 4f165c93be4..edae117fcc2 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -19,36 +19,6 @@
#include "pci-frv.h"
-#if 0
-void
-pcibios_update_resource(struct pci_dev *dev, struct resource *root,
- struct resource *res, int resource)
-{
- u32 new, check;
- int reg;
-
- new = res->start | (res->flags & PCI_REGION_FLAG_MASK);
- if (resource < 6) {
- reg = PCI_BASE_ADDRESS_0 + 4*resource;
- } else if (resource == PCI_ROM_RESOURCE) {
- res->flags |= IORESOURCE_ROM_ENABLE;
- new |= PCI_ROM_ADDRESS_ENABLE;
- reg = dev->rom_base_reg;
- } else {
- /* Somebody might have asked allocation of a non-standard resource */
- return;
- }
-
- pci_write_config_dword(dev, reg, new);
- pci_read_config_dword(dev, reg, &check);
- if ((new ^ check) & ((new & PCI_BASE_ADDRESS_SPACE_IO) ? PCI_BASE_ADDRESS_IO_MASK : PCI_BASE_ADDRESS_MEM_MASK)) {
- printk(KERN_ERR "PCI: Error while updating region "
- "%s/%d (%08x != %08x)\n", pci_name(dev), resource,
- new, check);
- }
-}
-#endif
-
/*
* We need to avoid collisions with `mirrored' VGA ports
* and other strange ISA hardware, so we always want the
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index fabaf08d9a6..3ab8373103e 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -55,6 +55,10 @@ void (*ia64_mark_idle)(int);
unsigned long boot_option_idle_override = 0;
EXPORT_SYMBOL(boot_option_idle_override);
+unsigned long idle_halt;
+EXPORT_SYMBOL(idle_halt);
+unsigned long idle_nomwait;
+EXPORT_SYMBOL(idle_nomwait);
void
ia64_do_show_stack (struct unw_frame_info *info, void *arg)
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 318b8110062..68c978be9a5 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -395,7 +395,7 @@ static int handle_global_purge(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
if (kvm->vcpus[i]->cpu != -1) {
call_data.vcpu = kvm->vcpus[i];
smp_call_function_single(kvm->vcpus[i]->cpu,
- vcpu_global_purge, &call_data, 0, 1);
+ vcpu_global_purge, &call_data, 1);
} else
printk(KERN_WARNING"kvm: Uninit vcpu received ipi!\n");
@@ -1693,7 +1693,7 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
wake_up_interruptible(&vcpu->wq);
if (vcpu->guest_mode)
- smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0);
+ smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0);
}
int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig)
diff --git a/arch/ia64/kvm/kvm_fw.c b/arch/ia64/kvm/kvm_fw.c
index 091f936c448..0c69d9ec92d 100644
--- a/arch/ia64/kvm/kvm_fw.c
+++ b/arch/ia64/kvm/kvm_fw.c
@@ -130,7 +130,7 @@ static struct ia64_pal_retval pal_cache_flush(struct kvm_vcpu *vcpu)
args.cache_type = gr29;
args.operation = gr30;
smp_call_function(remote_pal_cache_flush,
- (void *)&args, 1, 1);
+ (void *)&args, 1);
if (args.status != 0)
printk(KERN_ERR"pal_cache_flush error!,"
"status:0x%lx\n", args.status);
diff --git a/arch/m68knommu/kernel/comempci.c b/arch/m68knommu/kernel/comempci.c
index 6ee00effbad..0a68b5a85f8 100644
--- a/arch/m68knommu/kernel/comempci.c
+++ b/arch/m68knommu/kernel/comempci.c
@@ -375,15 +375,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
/*****************************************************************************/
-void pcibios_update_resource(struct pci_dev *dev, struct resource *root, struct resource *r, int resource)
-{
- printk(KERN_WARNING "%s(%d): no support for changing PCI resources...\n",
- __FILE__, __LINE__);
-}
-
-
-/*****************************************************************************/
-
/*
* Local routines to interrcept the standard I/O and vector handling
* code. Don't include this 'till now - initialization code above needs
diff --git a/arch/mips/pmc-sierra/yosemite/ht.c b/arch/mips/pmc-sierra/yosemite/ht.c
index 6380662bbf3..678388fd34b 100644
--- a/arch/mips/pmc-sierra/yosemite/ht.c
+++ b/arch/mips/pmc-sierra/yosemite/ht.c
@@ -345,42 +345,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask)
return pcibios_enable_resources(dev);
}
-
-
-void pcibios_update_resource(struct pci_dev *dev, struct resource *root,
- struct resource *res, int resource)
-{
- u32 new, check;
- int reg;
-
- return;
-
- new = res->start | (res->flags & PCI_REGION_FLAG_MASK);
- if (resource < 6) {
- reg = PCI_BASE_ADDRESS_0 + 4 * resource;
- } else if (resource == PCI_ROM_RESOURCE) {
- res->flags |= IORESOURCE_ROM_ENABLE;
- reg = dev->rom_base_reg;
- } else {
- /*
- * Somebody might have asked allocation of a non-standard
- * resource
- */
- return;
- }
-
- pci_write_config_dword(dev, reg, new);
- pci_read_config_dword(dev, reg, &check);
- if ((new ^ check) &
- ((new & PCI_BASE_ADDRESS_SPACE_IO) ? PCI_BASE_ADDRESS_IO_MASK :
- PCI_BASE_ADDRESS_MEM_MASK)) {
- printk(KERN_ERR "PCI: Error while updating region "
- "%s/%d (%08x != %08x)\n", pci_name(dev), resource,
- new, check);
- }
-}
-
-
void pcibios_align_resource(void *data, struct resource *res,
resource_size_t size, resource_size_t align)
{
diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c
index d5770fdf7f0..373e993a5ed 100644
--- a/arch/powerpc/platforms/82xx/ep8248e.c
+++ b/arch/powerpc/platforms/82xx/ep8248e.c
@@ -59,6 +59,7 @@ static void __init ep8248e_pic_init(void)
of_node_put(np);
}
+#ifdef CONFIG_FS_ENET_MDIO_FCC
static void ep8248e_set_mdc(struct mdiobb_ctrl *ctrl, int level)
{
if (level)
@@ -164,6 +165,7 @@ static struct of_platform_driver ep8248e_mdio_driver = {
.probe = ep8248e_mdio_probe,
.remove = ep8248e_mdio_remove,
};
+#endif
struct cpm_pin {
int port, pin, flags;
@@ -296,7 +298,9 @@ static __initdata struct of_device_id of_bus_ids[] = {
static int __init declare_of_platform_devices(void)
{
of_platform_bus_probe(NULL, of_bus_ids, NULL);
+#ifdef CONFIG_FS_ENET_MDIO_FCC
of_register_platform_driver(&ep8248e_mdio_driver);
+#endif
return 0;
}
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 5dc8f8028d5..eb530b4128b 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -289,7 +289,7 @@ config WARN_STACK_SIZE
int "Maximum frame size considered safe (128-2048)"
range 128 2048
depends on WARN_STACK
- default "256"
+ default "2048"
help
This allows you to specify the maximum frame size a function may
have without the compiler complaining about it.
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index 57571f10270..8841919ef7e 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -10,6 +10,7 @@
#include <linux/sched.h>
#include <linux/stacktrace.h>
#include <linux/kallsyms.h>
+#include <linux/module.h>
static unsigned long save_context_stack(struct stack_trace *trace,
unsigned long sp,
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 08d2e732525..f57095a2617 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -76,38 +76,6 @@ void __devinit __weak pcibios_fixup_bus(struct pci_bus *bus)
pci_read_bridge_bases(bus);
}
-void
-pcibios_update_resource(struct pci_dev *dev, struct resource *root,
- struct resource *res, int resource)
-{
- u32 new, check;
- int reg;
-
- new = res->start | (res->flags & PCI_REGION_FLAG_MASK);
- if (resource < 6) {
- reg = PCI_BASE_ADDRESS_0 + 4*resource;
- } else if (resource == PCI_ROM_RESOURCE) {
- res->flags |= IORESOURCE_ROM_ENABLE;
- new |= PCI_ROM_ADDRESS_ENABLE;
- reg = dev->rom_base_reg;
- } else {
- /*
- * Somebody might have asked allocation of a non-standard
- * resource
- */
- return;
- }
-
- pci_write_config_dword(dev, reg, new);
- pci_read_config_dword(dev, reg, &check);
- if ((new ^ check) & ((new & PCI_BASE_ADDRESS_SPACE_IO) ?
- PCI_BASE_ADDRESS_IO_MASK : PCI_BASE_ADDRESS_MEM_MASK)) {
- printk(KERN_ERR "PCI: Error while updating region "
- "%s/%d (%08x != %08x)\n", pci_name(dev), resource,
- new, check);
- }
-}
-
void pcibios_align_resource(void *data, struct resource *res,
resource_size_t size, resource_size_t align)
__attribute__ ((weak));
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 112b09f16f3..d00a3656c28 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -408,7 +408,7 @@ struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
dev->class = class >> 8;
dev->revision = class & 0xff;
- sprintf(pci_name(dev), "%04x:%02x:%02x.%d", pci_domain_nr(bus),
+ sprintf(dev->dev.bus_id, "%04x:%02x:%02x.%d", pci_domain_nr(bus),
dev->bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
if (ofpci_verbose)
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 5112c84f542..da140611bb5 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -8,8 +8,7 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
ifdef CONFIG_FTRACE
# Do not profile debug utilities
-CFLAGS_REMOVE_tsc_64.o = -pg
-CFLAGS_REMOVE_tsc_32.o = -pg
+CFLAGS_REMOVE_tsc.o = -pg
CFLAGS_REMOVE_rtc.o = -pg
endif
diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c
index de2d2e4ebad..7c074eec39f 100644
--- a/arch/x86/kernel/acpi/processor.c
+++ b/arch/x86/kernel/acpi/processor.c
@@ -56,6 +56,12 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c)
if (cpu_has(c, X86_FEATURE_ACPI))
buf[2] |= ACPI_PDC_T_FFH;
+ /*
+ * If mwait/monitor is unsupported, C2/C3_FFH will be disabled
+ */
+ if (!cpu_has(c, X86_FEATURE_MWAIT))
+ buf[2] &= ~(ACPI_PDC_C_C2C3_FFH);
+
obj->type = ACPI_TYPE_BUFFER;
obj->buffer.length = 12;
obj->buffer.pointer = (u8 *) buf;
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 793ad2045f5..868de3d5c39 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -158,6 +158,8 @@ static int __init acpi_sleep_setup(char *str)
acpi_realmode_flags |= 2;
if (strncmp(str, "s3_beep", 7) == 0)
acpi_realmode_flags |= 4;
+ if (strncmp(str, "old_ordering", 12) == 0)
+ acpi_old_suspend_ordering();
str = strchr(str, ',');
if (str != NULL)
str += strspn(str, ", \t");
diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 75cb5da4ea0..bf9b441331e 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -1213,9 +1213,9 @@ static int suspend(int vetoable)
if (err != APM_SUCCESS)
apm_error("suspend", err);
err = (err == APM_SUCCESS) ? 0 : -EIO;
- device_power_up();
+ device_power_up(PMSG_RESUME);
local_irq_enable();
- device_resume();
+ device_resume(PMSG_RESUME);
queue_event(APM_NORMAL_RESUME, NULL);
spin_lock(&user_list_lock);
for (as = user_list; as != NULL; as = as->next) {
@@ -1240,7 +1240,7 @@ static void standby(void)
apm_error("standby", err);
local_irq_disable();
- device_power_up();
+ device_power_up(PMSG_RESUME);
local_irq_enable();
}
@@ -1326,7 +1326,7 @@ static void check_events(void)
ignore_bounce = 1;
if ((event != APM_NORMAL_RESUME)
|| (ignore_normal_resume == 0)) {
- device_resume();
+ device_resume(PMSG_RESUME);
queue_event(event, NULL);
}
ignore_normal_resume = 0;
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index a4665f37cfc..a0e11c0cc87 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -120,7 +120,18 @@ static struct chipset early_qrk[] __initdata = {
{}
};
-static void __init check_dev_quirk(int num, int slot, int func)
+/**
+ * check_dev_quirk - apply early quirks to a given PCI device
+ * @num: bus number
+ * @slot: slot number
+ * @func: PCI function
+ *
+ * Check the vendor & device ID against the early quirks table.
+ *
+ * If the device is single function, let early_quirks() know so we don't
+ * poke at this device again.
+ */
+static int __init check_dev_quirk(int num, int slot, int func)
{
u16 class;
u16 vendor;
@@ -131,7 +142,7 @@ static void __init check_dev_quirk(int num, int slot, int func)
class = read_pci_config_16(num, slot, func, PCI_CLASS_DEVICE);
if (class == 0xffff)
- return;
+ return -1; /* no class, treat as single function */
vendor = read_pci_config_16(num, slot, func, PCI_VENDOR_ID);
@@ -154,7 +165,9 @@ static void __init check_dev_quirk(int num, int slot, int func)
type = read_pci_config_byte(num, slot, func,
PCI_HEADER_TYPE);
if (!(type & 0x80))
- return;
+ return -1;
+
+ return 0;
}
void __init early_quirks(void)
@@ -167,6 +180,9 @@ void __init early_quirks(void)
/* Poor man's PCI discovery */
for (num = 0; num < 32; num++)
for (slot = 0; slot < 32; slot++)
- for (func = 0; func < 8; func++)
- check_dev_quirk(num, slot, func);
+ for (func = 0; func < 8; func++) {
+ /* Only probe function 0 on single fn devices */
+ if (check_dev_quirk(num, slot, func))
+ break;
+ }
}
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index 5b20a5e7ac2..a23e8233b9a 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -96,7 +96,7 @@ int __init get_memcfg_numaq(void)
void __init numaq_tsc_disable(void)
{
if (!found_numaq)
- return -1;
+ return;
if (num_online_nodes() > 1) {
printk(KERN_DEBUG "NUMAQ: disabling TSC\n");
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 7dceea94723..4d629c62f4f 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -7,6 +7,12 @@
#include <linux/module.h>
#include <linux/pm.h>
#include <linux/clockchips.h>
+#include <asm/system.h>
+
+unsigned long idle_halt;
+EXPORT_SYMBOL(idle_halt);
+unsigned long idle_nomwait;
+EXPORT_SYMBOL(idle_nomwait);
struct kmem_cache *task_xstate_cachep;
@@ -325,7 +331,27 @@ static int __init idle_setup(char *str)
pm_idle = poll_idle;
} else if (!strcmp(str, "mwait"))
force_mwait = 1;
- else
+ else if (!strcmp(str, "halt")) {
+ /*
+ * When the boot option of idle=halt is added, halt is
+ * forced to be used for CPU idle. In such case CPU C2/C3
+ * won't be used again.
+ * To continue to load the CPU idle driver, don't touch
+ * the boot_option_idle_override.
+ */
+ pm_idle = default_idle;
+ idle_halt = 1;
+ return 0;
+ } else if (!strcmp(str, "nomwait")) {
+ /*
+ * If the boot option of "idle=nomwait" is added,
+ * it means that mwait will be disabled for CPU C2/C3
+ * states. In such case it won't touch the variable
+ * of boot_option_idle_override.
+ */
+ idle_nomwait = 1;
+ return 0;
+ } else
return -1;
boot_option_idle_override = 1;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2ed504b97d4..c9010f82141 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -684,6 +684,11 @@ void __init setup_arch(char **cmdline_p)
clear_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC);
}
+#ifdef CONFIG_PCI
+ if (pci_early_dump_regs)
+ early_dump_pci_devices();
+#endif
+
finish_e820_parsing();
#ifdef CONFIG_X86_32
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 27de2435e00..306049edd55 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -644,7 +644,7 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start,
unsigned long pud_phys;
pud_t *pud;
- next = start + PGDIR_SIZE;
+ next = (start + PGDIR_SIZE) & PGDIR_MASK;
if (next > end)
next = end;
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index f41d67f8f83..1eb2973a301 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -156,10 +156,9 @@ acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *memory_affinity)
num_memory_chunks++;
- printk(KERN_DEBUG "Memory range %08lx to %08lx (type %x)"
+ printk(KERN_DEBUG "Memory range %08lx to %08lx"
" in proximity domain %02x %s\n",
start_pfn, end_pfn,
- memory_affinity->memory_type,
pxm,
((memory_affinity->flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) ?
"enabled and removable" : "enabled" ) );
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 20b9f59f95d..b67732bbb85 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -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;
diff --git a/arch/x86/pci/early.c b/arch/x86/pci/early.c
index 42df4b6606d..858dbe3399f 100644
--- a/arch/x86/pci/early.c
+++ b/arch/x86/pci/early.c
@@ -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;
+ }
+ }
+ }
+}
+
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index dc568c6b83f..6a06a2eb059 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -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;
}
diff --git a/arch/x86/pci/pci.h b/arch/x86/pci/pci.h
index b2270a55b0c..3e25deb821a 100644
--- a/arch/x86/pci/pci.h
+++ b/arch/x86/pci/pci.h
@@ -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;