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-rw-r--r--arch/arm/kernel/bios32.c2
-rw-r--r--arch/ia64/pci/fixup.c25
-rw-r--r--arch/x86/pci/acpi.c30
-rw-r--r--arch/x86/pci/fixup.c18
-rw-r--r--drivers/pci/Makefile22
-rw-r--r--drivers/pci/hotplug/cpqphp_core.c4
-rw-r--r--drivers/pci/pci.c50
7 files changed, 76 insertions, 75 deletions
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 004670e97ca8..d0d46786892c 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -19,7 +19,7 @@
static int debug_pci;
/*
- * We can't use pci_find_device() here since we are
+ * We can't use pci_get_device() here since we are
* called from interrupt context.
*/
static void pcibios_bus_report_status(struct pci_bus *bus, u_int status_mask, int warn)
diff --git a/arch/ia64/pci/fixup.c b/arch/ia64/pci/fixup.c
index 5dc969dd4ac0..eee069a0b539 100644
--- a/arch/ia64/pci/fixup.c
+++ b/arch/ia64/pci/fixup.c
@@ -5,6 +5,7 @@
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/vgaarb.h>
#include <asm/machvec.h>
@@ -19,9 +20,10 @@
* IORESOURCE_ROM_SHADOW is used to associate the boot video
* card with this copy. On laptops this copy has to be used since
* the main ROM may be compressed or combined with another image.
- * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW
- * is marked here since the boot video device will be the only enabled
- * video device at this point.
+ * See pci_map_rom() for use of this flag. Before marking the device
+ * with IORESOURCE_ROM_SHADOW check if a vga_default_device is already set
+ * by either arch cde or vga-arbitration, if so only apply the fixup to this
+ * already determined primary video card.
*/
static void pci_fixup_video(struct pci_dev *pdev)
@@ -35,9 +37,6 @@ static void pci_fixup_video(struct pci_dev *pdev)
return;
/* Maybe, this machine supports legacy memory map. */
- if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA)
- return;
-
/* Is VGA routed to us? */
bus = pdev->bus;
while (bus) {
@@ -60,10 +59,14 @@ static void pci_fixup_video(struct pci_dev *pdev)
}
bus = bus->parent;
}
- pci_read_config_word(pdev, PCI_COMMAND, &config);
- if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
- pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
- dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n");
+ if (!vga_default_device() || pdev == vga_default_device()) {
+ pci_read_config_word(pdev, PCI_COMMAND, &config);
+ if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
+ pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
+ dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n");
+ vga_set_default_device(pdev);
+ }
}
}
-DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pci_fixup_video);
+DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_DISPLAY_VGA, 8, pci_fixup_video);
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index f44a64c74e37..01edac6c5e18 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -218,9 +218,8 @@ static void teardown_mcfg_map(struct pci_root_info *info)
}
#endif
-static acpi_status
-resource_to_addr(struct acpi_resource *resource,
- struct acpi_resource_address64 *addr)
+static acpi_status resource_to_addr(struct acpi_resource *resource,
+ struct acpi_resource_address64 *addr)
{
acpi_status status;
struct acpi_resource_memory24 *memory24;
@@ -265,8 +264,7 @@ resource_to_addr(struct acpi_resource *resource,
return AE_ERROR;
}
-static acpi_status
-count_resource(struct acpi_resource *acpi_res, void *data)
+static acpi_status count_resource(struct acpi_resource *acpi_res, void *data)
{
struct pci_root_info *info = data;
struct acpi_resource_address64 addr;
@@ -278,8 +276,7 @@ count_resource(struct acpi_resource *acpi_res, void *data)
return AE_OK;
}
-static acpi_status
-setup_resource(struct acpi_resource *acpi_res, void *data)
+static acpi_status setup_resource(struct acpi_resource *acpi_res, void *data)
{
struct pci_root_info *info = data;
struct resource *res;
@@ -435,9 +432,9 @@ static void release_pci_root_info(struct pci_host_bridge *bridge)
__release_pci_root_info(info);
}
-static void
-probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device,
- int busnum, int domain)
+static void probe_pci_root_info(struct pci_root_info *info,
+ struct acpi_device *device,
+ int busnum, int domain)
{
size_t size;
@@ -473,11 +470,11 @@ probe_pci_root_info(struct pci_root_info *info, struct acpi_device *device,
struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
{
struct acpi_device *device = root->device;
- struct pci_root_info *info = NULL;
+ struct pci_root_info *info;
int domain = root->segment;
int busnum = root->secondary.start;
LIST_HEAD(resources);
- struct pci_bus *bus = NULL;
+ struct pci_bus *bus;
struct pci_sysdata *sd;
int node;
@@ -509,15 +506,12 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
sd->domain = domain;
sd->node = node;
sd->companion = device;
- /*
- * Maybe the desired pci bus has been already scanned. In such case
- * it is unnecessary to scan the pci bus with the given domain,busnum.
- */
+
bus = pci_find_bus(domain, busnum);
if (bus) {
/*
- * If the desired bus exits, the content of bus->sysdata will
- * be replaced by sd.
+ * If the desired bus has been scanned already, replace
+ * its bus->sysdata.
*/
memcpy(bus->sysdata, sd, sizeof(*sd));
kfree(info);
diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c
index 201833f5f1bc..94ae9ae9574f 100644
--- a/arch/x86/pci/fixup.c
+++ b/arch/x86/pci/fixup.c
@@ -313,9 +313,10 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MCH_PC1, pcie_r
* IORESOURCE_ROM_SHADOW is used to associate the boot video
* card with this copy. On laptops this copy has to be used since
* the main ROM may be compressed or combined with another image.
- * See pci_map_rom() for use of this flag. IORESOURCE_ROM_SHADOW
- * is marked here since the boot video device will be the only enabled
- * video device at this point.
+ * See pci_map_rom() for use of this flag. Before marking the device
+ * with IORESOURCE_ROM_SHADOW check if a vga_default_device is already set
+ * by either arch cde or vga-arbitration, if so only apply the fixup to this
+ * already determined primary video card.
*/
static void pci_fixup_video(struct pci_dev *pdev)
@@ -346,12 +347,13 @@ static void pci_fixup_video(struct pci_dev *pdev)
}
bus = bus->parent;
}
- pci_read_config_word(pdev, PCI_COMMAND, &config);
- if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
- pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
- dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n");
- if (!vga_default_device())
+ if (!vga_default_device() || pdev == vga_default_device()) {
+ pci_read_config_word(pdev, PCI_COMMAND, &config);
+ if (config & (PCI_COMMAND_IO | PCI_COMMAND_MEMORY)) {
+ pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
+ dev_printk(KERN_DEBUG, &pdev->dev, "Boot video device\n");
vga_set_default_device(pdev);
+ }
}
}
DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_ANY_ID, PCI_ANY_ID,
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 17d2b07ee67c..e2501ac6fe84 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -33,21 +33,15 @@ obj-$(CONFIG_PCI_IOV) += iov.o
#
# Some architectures use the generic PCI setup functions
#
-obj-$(CONFIG_X86) += setup-bus.o
-obj-$(CONFIG_ALPHA) += setup-bus.o setup-irq.o
-obj-$(CONFIG_ARM) += setup-bus.o setup-irq.o
-obj-$(CONFIG_UNICORE32) += setup-bus.o setup-irq.o
-obj-$(CONFIG_PARISC) += setup-bus.o
-obj-$(CONFIG_SUPERH) += setup-bus.o setup-irq.o
-obj-$(CONFIG_PPC) += setup-bus.o
-obj-$(CONFIG_FRV) += setup-bus.o
-obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
+obj-$(CONFIG_ALPHA) += setup-irq.o
+obj-$(CONFIG_ARM) += setup-irq.o
+obj-$(CONFIG_UNICORE32) += setup-irq.o
+obj-$(CONFIG_SUPERH) += setup-irq.o
+obj-$(CONFIG_MIPS) += setup-irq.o
obj-$(CONFIG_X86_VISWS) += setup-irq.o
-obj-$(CONFIG_MN10300) += setup-bus.o
-obj-$(CONFIG_MICROBLAZE) += setup-bus.o
-obj-$(CONFIG_TILE) += setup-bus.o setup-irq.o
-obj-$(CONFIG_SPARC_LEON) += setup-bus.o setup-irq.o
-obj-$(CONFIG_M68K) += setup-bus.o setup-irq.o
+obj-$(CONFIG_TILE) += setup-irq.o
+obj-$(CONFIG_SPARC_LEON) += setup-irq.o
+obj-$(CONFIG_M68K) += setup-irq.o
#
# ACPI Related PCI FW Functions
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index 31273e155e6c..037e2612c5bd 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -920,12 +920,12 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
bus->max_bus_speed = PCI_SPEED_100MHz_PCIX;
break;
}
- if (bus_cap & 20) {
+ if (bus_cap & 0x20) {
dbg("bus max supports 66MHz PCI-X\n");
bus->max_bus_speed = PCI_SPEED_66MHz_PCIX;
break;
}
- if (bus_cap & 10) {
+ if (bus_cap & 0x10) {
dbg("bus max supports 66MHz PCI\n");
bus->max_bus_speed = PCI_SPEED_66MHz;
break;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e4d45d27f288..b6ddde1d04ca 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1181,6 +1181,8 @@ EXPORT_SYMBOL_GPL(pci_load_and_free_saved_state);
static int do_pci_enable_device(struct pci_dev *dev, int bars)
{
int err;
+ u16 cmd;
+ u8 pin;
err = pci_set_power_state(dev, PCI_D0);
if (err < 0 && err != -EIO)
@@ -1190,6 +1192,14 @@ static int do_pci_enable_device(struct pci_dev *dev, int bars)
return err;
pci_fixup_device(pci_fixup_enable, dev);
+ pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ if (pin) {
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ if (cmd & PCI_COMMAND_INTX_DISABLE)
+ pci_write_config_word(dev, PCI_COMMAND,
+ cmd & ~PCI_COMMAND_INTX_DISABLE);
+ }
+
return 0;
}
@@ -1611,29 +1621,27 @@ static void pci_pme_list_scan(struct work_struct *work)
struct pci_pme_device *pme_dev, *n;
mutex_lock(&pci_pme_list_mutex);
- if (!list_empty(&pci_pme_list)) {
- list_for_each_entry_safe(pme_dev, n, &pci_pme_list, list) {
- if (pme_dev->dev->pme_poll) {
- struct pci_dev *bridge;
-
- bridge = pme_dev->dev->bus->self;
- /*
- * If bridge is in low power state, the
- * configuration space of subordinate devices
- * may be not accessible
- */
- if (bridge && bridge->current_state != PCI_D0)
- continue;
- pci_pme_wakeup(pme_dev->dev, NULL);
- } else {
- list_del(&pme_dev->list);
- kfree(pme_dev);
- }
+ list_for_each_entry_safe(pme_dev, n, &pci_pme_list, list) {
+ if (pme_dev->dev->pme_poll) {
+ struct pci_dev *bridge;
+
+ bridge = pme_dev->dev->bus->self;
+ /*
+ * If bridge is in low power state, the
+ * configuration space of subordinate devices
+ * may be not accessible
+ */
+ if (bridge && bridge->current_state != PCI_D0)
+ continue;
+ pci_pme_wakeup(pme_dev->dev, NULL);
+ } else {
+ list_del(&pme_dev->list);
+ kfree(pme_dev);
}
- if (!list_empty(&pci_pme_list))
- schedule_delayed_work(&pci_pme_work,
- msecs_to_jiffies(PME_TIMEOUT));
}
+ if (!list_empty(&pci_pme_list))
+ schedule_delayed_work(&pci_pme_work,
+ msecs_to_jiffies(PME_TIMEOUT));
mutex_unlock(&pci_pme_list_mutex);
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-27 09:58:39 +0000