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-rw-r--r--drivers/pci/hotplug.c53
-rw-r--r--drivers/pci/hotplug/pciehprm_acpi.c8
-rw-r--r--drivers/pci/hotplug/rpadlpar_core.c20
-rw-r--r--drivers/pci/hotplug/rpaphp_pci.c8
-rw-r--r--drivers/pci/pci-sysfs.c10
-rw-r--r--drivers/pci/pci.c2
-rw-r--r--drivers/pci/pci.h1
-rw-r--r--drivers/pci/probe.c56
-rw-r--r--drivers/pci/quirks.c6
-rw-r--r--drivers/pci/setup-bus.c4
10 files changed, 95 insertions, 73 deletions
diff --git a/drivers/pci/hotplug.c b/drivers/pci/hotplug.c
index b844bc97232..10444988a10 100644
--- a/drivers/pci/hotplug.c
+++ b/drivers/pci/hotplug.c
@@ -20,46 +20,35 @@ int pci_hotplug (struct device *dev, char **envp, int num_envp,
scratch = buffer;
- /* stuff we want to pass to /sbin/hotplug */
- envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length, "PCI_CLASS=%04X",
- pdev->class);
- if ((buffer_size - length <= 0) || (i >= num_envp))
+
+ if (add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "PCI_CLASS=%04X", pdev->class))
return -ENOMEM;
- ++length;
- scratch += length;
- envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length, "PCI_ID=%04X:%04X",
- pdev->vendor, pdev->device);
- if ((buffer_size - length <= 0) || (i >= num_envp))
+ if (add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "PCI_ID=%04X:%04X", pdev->vendor, pdev->device))
return -ENOMEM;
- ++length;
- scratch += length;
- envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length,
- "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
- pdev->subsystem_device);
- if ((buffer_size - length <= 0) || (i >= num_envp))
+ if (add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "PCI_SUBSYS_ID=%04X:%04X", pdev->subsystem_vendor,
+ pdev->subsystem_device))
return -ENOMEM;
- ++length;
- scratch += length;
- envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length, "PCI_SLOT_NAME=%s",
- pci_name(pdev));
- if ((buffer_size - length <= 0) || (i >= num_envp))
+ if (add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "PCI_SLOT_NAME=%s", pci_name(pdev)))
return -ENOMEM;
- envp[i++] = scratch;
- length += scnprintf (scratch, buffer_size - length,
- "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
- pdev->vendor, pdev->device,
- pdev->subsystem_vendor, pdev->subsystem_device,
- (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
- (u8)(pdev->class));
- if ((buffer_size - length <= 0) || (i >= num_envp))
+ if (add_hotplug_env_var(envp, num_envp, &i,
+ buffer, buffer_size, &length,
+ "MODALIAS=pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x",
+ pdev->vendor, pdev->device,
+ pdev->subsystem_vendor, pdev->subsystem_device,
+ (u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
+ (u8)(pdev->class)))
return -ENOMEM;
envp[i] = NULL;
diff --git a/drivers/pci/hotplug/pciehprm_acpi.c b/drivers/pci/hotplug/pciehprm_acpi.c
index 305b47ec2f2..1406db35b08 100644
--- a/drivers/pci/hotplug/pciehprm_acpi.c
+++ b/drivers/pci/hotplug/pciehprm_acpi.c
@@ -1696,15 +1696,15 @@ void pciehprm_enable_card(
pci_bus->number = func->bus;
devfn = PCI_DEVFN(func->device, func->function);
- rc = pci_bus_read_config_word(pci_bus, devfn, PCI_COMMAND, &command);
+ rc = pci_bus_read_config_word(pci_bus, devfn, PCI_COMMAND, &cmd);
if (card_type == PCI_HEADER_TYPE_BRIDGE) {
- rc = pci_bus_read_config_word(pci_bus, devfn, PCI_BRIDGE_CONTROL, &bcommand);
+ rc = pci_bus_read_config_word(pci_bus, devfn, PCI_BRIDGE_CONTROL, &bcmd);
}
- cmd = command = command | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
+ command = cmd | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE
| PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
- bcmd = bcommand = bcommand | PCI_BRIDGE_CTL_NO_ISA;
+ bcommand = bcmd | PCI_BRIDGE_CTL_NO_ISA;
ab = find_acpi_bridge_by_bus(acpi_bridges_head, ctrl->seg, ctrl->bus);
if (ab) {
diff --git a/drivers/pci/hotplug/rpadlpar_core.c b/drivers/pci/hotplug/rpadlpar_core.c
index 4ada15111af..ad1017da865 100644
--- a/drivers/pci/hotplug/rpadlpar_core.c
+++ b/drivers/pci/hotplug/rpadlpar_core.c
@@ -134,7 +134,8 @@ static void rpadlpar_claim_one_bus(struct pci_bus *b)
static int pci_add_secondary_bus(struct device_node *dn,
struct pci_dev *bridge_dev)
{
- struct pci_controller *hose = dn->phb;
+ struct pci_dn *pdn = dn->data;
+ struct pci_controller *hose = pdn->phb;
struct pci_bus *child;
u8 sec_busno;
@@ -159,7 +160,7 @@ static int pci_add_secondary_bus(struct device_node *dn,
if (hose->last_busno < child->number)
hose->last_busno = child->number;
- dn->bussubno = child->number;
+ pdn->bussubno = child->number;
/* ioremap() for child bus, which may or may not succeed */
remap_bus_range(child);
@@ -183,11 +184,12 @@ static struct pci_dev *dlpar_find_new_dev(struct pci_bus *parent,
static struct pci_dev *dlpar_pci_add_bus(struct device_node *dn)
{
- struct pci_controller *hose = dn->phb;
+ struct pci_dn *pdn = dn->data;
+ struct pci_controller *hose = pdn->phb;
struct pci_dev *dev = NULL;
/* Scan phb bus for EADS device, adding new one to bus->devices */
- if (!pci_scan_single_device(hose->bus, dn->devfn)) {
+ if (!pci_scan_single_device(hose->bus, pdn->devfn)) {
printk(KERN_ERR "%s: found no device on bus\n", __FUNCTION__);
return NULL;
}
@@ -269,6 +271,7 @@ static int dlpar_remove_root_bus(struct pci_controller *phb)
static int dlpar_remove_phb(char *drc_name, struct device_node *dn)
{
struct slot *slot;
+ struct pci_dn *pdn;
int rc = 0;
if (!rpaphp_find_pci_bus(dn))
@@ -285,12 +288,13 @@ static int dlpar_remove_phb(char *drc_name, struct device_node *dn)
}
}
- BUG_ON(!dn->phb);
- rc = dlpar_remove_root_bus(dn->phb);
+ pdn = dn->data;
+ BUG_ON(!pdn || !pdn->phb);
+ rc = dlpar_remove_root_bus(pdn->phb);
if (rc < 0)
return rc;
- dn->phb = NULL;
+ pdn->phb = NULL;
return 0;
}
@@ -299,7 +303,7 @@ static int dlpar_add_phb(char *drc_name, struct device_node *dn)
{
struct pci_controller *phb;
- if (dn->phb) {
+ if (PCI_DN(dn)->phb) {
/* PHB already exists */
return -EINVAL;
}
diff --git a/drivers/pci/hotplug/rpaphp_pci.c b/drivers/pci/hotplug/rpaphp_pci.c
index 17a0279ebcb..49e4d10a648 100644
--- a/drivers/pci/hotplug/rpaphp_pci.c
+++ b/drivers/pci/hotplug/rpaphp_pci.c
@@ -51,10 +51,12 @@ static struct pci_bus *find_bus_among_children(struct pci_bus *bus,
struct pci_bus *rpaphp_find_pci_bus(struct device_node *dn)
{
- if (!dn->phb || !dn->phb->bus)
+ struct pci_dn *pdn = dn->data;
+
+ if (!pdn || !pdn->phb || !pdn->phb->bus)
return NULL;
- return find_bus_among_children(dn->phb->bus, dn);
+ return find_bus_among_children(pdn->phb->bus, dn);
}
EXPORT_SYMBOL_GPL(rpaphp_find_pci_bus);
@@ -229,7 +231,7 @@ rpaphp_pci_config_slot(struct pci_bus *bus)
if (!dn || !dn->child)
return NULL;
- slotno = PCI_SLOT(dn->child->devfn);
+ slotno = PCI_SLOT(PCI_DN(dn->child)->devfn);
/* pci_scan_slot should find all children */
num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index cc9d65388e6..56a3b397efe 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -44,10 +44,14 @@ pci_config_attr(subsystem_device, "0x%04x\n");
pci_config_attr(class, "0x%06x\n");
pci_config_attr(irq, "%u\n");
-static ssize_t local_cpus_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t local_cpus_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
- cpumask_t mask = pcibus_to_cpumask(to_pci_dev(dev)->bus);
- int len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask);
+ cpumask_t mask;
+ int len;
+
+ mask = pcibus_to_cpumask(to_pci_dev(dev)->bus);
+ len = cpumask_scnprintf(buf, PAGE_SIZE-2, mask);
strcat(buf,"\n");
return 1+len;
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index ccff633a394..992db89adce 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -819,7 +819,7 @@ pci_intx(struct pci_dev *pdev, int enable)
}
if (new != pci_command) {
- pci_write_config_word(pdev, PCI_COMMAND, pci_command);
+ pci_write_config_word(pdev, PCI_COMMAND, new);
}
}
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index d00168b1f66..d3f3dd42240 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -29,7 +29,6 @@ static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
#endif
/* Functions for PCI Hotplug drivers to use */
-extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
extern int pci_remove_device_safe(struct pci_dev *dev);
extern unsigned char pci_max_busnr(void);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index b9c9b03919d..26a55d08b50 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -72,11 +72,13 @@ void pci_remove_legacy_files(struct pci_bus *bus) { return; }
/*
* PCI Bus Class Devices
*/
-static ssize_t pci_bus_show_cpuaffinity(struct class_device *class_dev, char *buf)
+static ssize_t pci_bus_show_cpuaffinity(struct class_device *class_dev,
+ char *buf)
{
- cpumask_t cpumask = pcibus_to_cpumask(to_pci_bus(class_dev));
int ret;
+ cpumask_t cpumask;
+ cpumask = pcibus_to_cpumask(to_pci_bus(class_dev));
ret = cpumask_scnprintf(buf, PAGE_SIZE, cpumask);
if (ret < PAGE_SIZE)
buf[ret++] = '\n';
@@ -753,27 +755,19 @@ pci_scan_device(struct pci_bus *bus, int devfn)
kfree(dev);
return NULL;
}
- device_initialize(&dev->dev);
- dev->dev.release = pci_release_dev;
- pci_dev_get(dev);
-
- dev->dev.dma_mask = &dev->dma_mask;
- dev->dev.coherent_dma_mask = 0xffffffffull;
return dev;
}
-struct pci_dev * __devinit
-pci_scan_single_device(struct pci_bus *bus, int devfn)
+void __devinit pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
{
- struct pci_dev *dev;
+ device_initialize(&dev->dev);
+ dev->dev.release = pci_release_dev;
+ pci_dev_get(dev);
- dev = pci_scan_device(bus, devfn);
- pci_scan_msi_device(dev);
+ dev->dev.dma_mask = &dev->dma_mask;
+ dev->dev.coherent_dma_mask = 0xffffffffull;
- if (!dev)
- return NULL;
-
/* Fix up broken headers */
pci_fixup_device(pci_fixup_header, dev);
@@ -785,6 +779,19 @@ pci_scan_single_device(struct pci_bus *bus, int devfn)
spin_lock(&pci_bus_lock);
list_add_tail(&dev->bus_list, &bus->devices);
spin_unlock(&pci_bus_lock);
+}
+
+struct pci_dev * __devinit
+pci_scan_single_device(struct pci_bus *bus, int devfn)
+{
+ struct pci_dev *dev;
+
+ dev = pci_scan_device(bus, devfn);
+ if (!dev)
+ return NULL;
+
+ pci_device_add(dev, bus);
+ pci_scan_msi_device(dev);
return dev;
}
@@ -881,7 +888,8 @@ unsigned int __devinit pci_do_scan_bus(struct pci_bus *bus)
return max;
}
-struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent, int bus, struct pci_ops *ops, void *sysdata)
+struct pci_bus * __devinit pci_create_bus(struct device *parent,
+ int bus, struct pci_ops *ops, void *sysdata)
{
int error;
struct pci_bus *b;
@@ -938,8 +946,6 @@ struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent, int bus,
b->resource[0] = &ioport_resource;
b->resource[1] = &iomem_resource;
- b->subordinate = pci_scan_child_bus(b);
-
return b;
sys_create_link_err:
@@ -957,6 +963,18 @@ err_out:
kfree(b);
return NULL;
}
+EXPORT_SYMBOL_GPL(pci_create_bus);
+
+struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
+ int bus, struct pci_ops *ops, void *sysdata)
+{
+ struct pci_bus *b;
+
+ b = pci_create_bus(parent, bus, ops, sysdata);
+ if (b)
+ b->subordinate = pci_scan_child_bus(b);
+ return b;
+}
EXPORT_SYMBOL(pci_scan_bus_parented);
#ifdef CONFIG_HOTPLUG
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 4f0c1bd3674..11ca44387cb 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -876,6 +876,12 @@ static void __init asus_hides_smbus_hostbridge(struct pci_dev *dev)
case 0xC00C: /* Samsung P35 notebook */
asus_hides_smbus = 1;
}
+ } else if (unlikely(dev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ)) {
+ if (dev->device == PCI_DEVICE_ID_INTEL_82855PM_HB)
+ switch(dev->subsystem_device) {
+ case 0x0058: /* Compaq Evo N620c */
+ asus_hides_smbus = 1;
+ }
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82845_HB, asus_hides_smbus_hostbridge );
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 6b0e6464eb3..657be948baf 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -77,8 +77,7 @@ pbus_assign_resources_sorted(struct pci_bus *bus)
}
}
-static void __devinit
-pci_setup_cardbus(struct pci_bus *bus)
+void pci_setup_cardbus(struct pci_bus *bus)
{
struct pci_dev *bridge = bus->self;
struct pci_bus_region region;
@@ -130,6 +129,7 @@ pci_setup_cardbus(struct pci_bus *bus)
region.end);
}
}
+EXPORT_SYMBOL(pci_setup_cardbus);
/* Initialize bridges with base/limit values we have collected.
PCI-to-PCI Bridge Architecture Specification rev. 1.1 (1998)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-25 01:50:12 +0000