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-rw-r--r--drivers/pci/bus.c15
-rw-r--r--drivers/pci/iov.c65
-rw-r--r--drivers/pci/msi.c10
-rw-r--r--drivers/pci/pci-sysfs.c30
-rw-r--r--drivers/pci/pcie/aer/aerdrv.h4
-rw-r--r--drivers/pci/pcie/aer/aerdrv_acpi.c47
-rw-r--r--drivers/pci/pcie/aer/aerdrv_core.c17
-rw-r--r--drivers/pci/probe.c114
-rw-r--r--drivers/pci/quirks.c2
9 files changed, 185 insertions, 119 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 32e66a6..b1ff02a 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -283,6 +283,21 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
}
EXPORT_SYMBOL_GPL(pci_walk_bus);
+struct pci_bus *pci_bus_get(struct pci_bus *bus)
+{
+ if (bus)
+ get_device(&bus->dev);
+ return bus;
+}
+EXPORT_SYMBOL(pci_bus_get);
+
+void pci_bus_put(struct pci_bus *bus)
+{
+ if (bus)
+ put_device(&bus->dev);
+}
+EXPORT_SYMBOL(pci_bus_put);
+
EXPORT_SYMBOL(pci_bus_alloc_resource);
EXPORT_SYMBOL_GPL(pci_bus_add_device);
EXPORT_SYMBOL(pci_bus_add_devices);
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index c93071d..de8ffac 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -47,51 +47,43 @@ static struct pci_bus *virtfn_add_bus(struct pci_bus *bus, int busnr)
return NULL;
pci_bus_insert_busn_res(child, busnr, busnr);
- bus->is_added = 1;
return child;
}
-static void virtfn_remove_bus(struct pci_bus *bus, int busnr)
+static void virtfn_remove_bus(struct pci_bus *physbus, struct pci_bus *virtbus)
{
- struct pci_bus *child;
-
- if (bus->number == busnr)
- return;
-
- child = pci_find_bus(pci_domain_nr(bus), busnr);
- BUG_ON(!child);
-
- if (list_empty(&child->devices))
- pci_remove_bus(child);
+ if (physbus != virtbus && list_empty(&virtbus->devices))
+ pci_remove_bus(virtbus);
}
static int virtfn_add(struct pci_dev *dev, int id, int reset)
{
int i;
- int rc;
+ int rc = -ENOMEM;
u64 size;
char buf[VIRTFN_ID_LEN];
struct pci_dev *virtfn;
struct resource *res;
struct pci_sriov *iov = dev->sriov;
+ struct pci_bus *bus;
- virtfn = alloc_pci_dev();
+ mutex_lock(&iov->dev->sriov->lock);
+ bus = virtfn_add_bus(dev->bus, virtfn_bus(dev, id));
+ if (!bus)
+ goto failed;
+
+ virtfn = pci_alloc_dev(bus);
if (!virtfn)
- return -ENOMEM;
+ goto failed0;
- mutex_lock(&iov->dev->sriov->lock);
- virtfn->bus = virtfn_add_bus(dev->bus, virtfn_bus(dev, id));
- if (!virtfn->bus) {
- kfree(virtfn);
- mutex_unlock(&iov->dev->sriov->lock);
- return -ENOMEM;
- }
virtfn->devfn = virtfn_devfn(dev, id);
virtfn->vendor = dev->vendor;
pci_read_config_word(dev, iov->pos + PCI_SRIOV_VF_DID, &virtfn->device);
pci_setup_device(virtfn);
virtfn->dev.parent = dev->dev.parent;
+ virtfn->physfn = pci_dev_get(dev);
+ virtfn->is_virtfn = 1;
for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
res = dev->resource + PCI_IOV_RESOURCES + i;
@@ -113,9 +105,6 @@ static int virtfn_add(struct pci_dev *dev, int id, int reset)
pci_device_add(virtfn, virtfn->bus);
mutex_unlock(&iov->dev->sriov->lock);
- virtfn->physfn = pci_dev_get(dev);
- virtfn->is_virtfn = 1;
-
rc = pci_bus_add_device(virtfn);
sprintf(buf, "virtfn%u", id);
rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf);
@@ -135,7 +124,9 @@ failed1:
pci_dev_put(dev);
mutex_lock(&iov->dev->sriov->lock);
pci_stop_and_remove_bus_device(virtfn);
- virtfn_remove_bus(dev->bus, virtfn_bus(dev, id));
+failed0:
+ virtfn_remove_bus(dev->bus, bus);
+failed:
mutex_unlock(&iov->dev->sriov->lock);
return rc;
@@ -144,20 +135,15 @@ failed1:
static void virtfn_remove(struct pci_dev *dev, int id, int reset)
{
char buf[VIRTFN_ID_LEN];
- struct pci_bus *bus;
struct pci_dev *virtfn;
struct pci_sriov *iov = dev->sriov;
- bus = pci_find_bus(pci_domain_nr(dev->bus), virtfn_bus(dev, id));
- if (!bus)
- return;
-
- virtfn = pci_get_slot(bus, virtfn_devfn(dev, id));
+ virtfn = pci_get_domain_bus_and_slot(pci_domain_nr(dev->bus),
+ virtfn_bus(dev, id),
+ virtfn_devfn(dev, id));
if (!virtfn)
return;
- pci_dev_put(virtfn);
-
if (reset) {
device_release_driver(&virtfn->dev);
__pci_reset_function(virtfn);
@@ -175,9 +161,11 @@ static void virtfn_remove(struct pci_dev *dev, int id, int reset)
mutex_lock(&iov->dev->sriov->lock);
pci_stop_and_remove_bus_device(virtfn);
- virtfn_remove_bus(dev->bus, virtfn_bus(dev, id));
+ virtfn_remove_bus(dev->bus, virtfn->bus);
mutex_unlock(&iov->dev->sriov->lock);
+ /* balance pci_get_domain_bus_and_slot() */
+ pci_dev_put(virtfn);
pci_dev_put(dev);
}
@@ -334,13 +322,14 @@ static int sriov_enable(struct pci_dev *dev, int nr_virtfn)
if (!pdev)
return -ENODEV;
- pci_dev_put(pdev);
-
- if (!pdev->is_physfn)
+ if (!pdev->is_physfn) {
+ pci_dev_put(pdev);
return -ENODEV;
+ }
rc = sysfs_create_link(&dev->dev.kobj,
&pdev->dev.kobj, "dep_link");
+ pci_dev_put(pdev);
if (rc)
return rc;
}
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 2c10752..aca7578 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -81,7 +81,10 @@ void default_teardown_msi_irqs(struct pci_dev *dev)
int i, nvec;
if (entry->irq == 0)
continue;
- nvec = 1 << entry->msi_attrib.multiple;
+ if (entry->nvec_used)
+ nvec = entry->nvec_used;
+ else
+ nvec = 1 << entry->msi_attrib.multiple;
for (i = 0; i < nvec; i++)
arch_teardown_msi_irq(entry->irq + i);
}
@@ -336,7 +339,10 @@ static void free_msi_irqs(struct pci_dev *dev)
int i, nvec;
if (!entry->irq)
continue;
- nvec = 1 << entry->msi_attrib.multiple;
+ if (entry->nvec_used)
+ nvec = entry->nvec_used;
+ else
+ nvec = 1 << entry->msi_attrib.multiple;
#ifdef CONFIG_GENERIC_HARDIRQS
for (i = 0; i < nvec; i++)
BUG_ON(irq_has_action(entry->irq + i));
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 0b56e08..c0dbe1f 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -325,6 +325,8 @@ dev_rescan_store(struct device *dev, struct device_attribute *attr,
}
return count;
}
+struct device_attribute dev_rescan_attr = __ATTR(rescan, (S_IWUSR|S_IWGRP),
+ NULL, dev_rescan_store);
static void remove_callback(struct device *dev)
{
@@ -354,6 +356,8 @@ remove_store(struct device *dev, struct device_attribute *dummy,
count = ret;
return count;
}
+struct device_attribute dev_remove_attr = __ATTR(remove, (S_IWUSR|S_IWGRP),
+ NULL, remove_store);
static ssize_t
dev_bus_rescan_store(struct device *dev, struct device_attribute *attr,
@@ -504,8 +508,6 @@ struct device_attribute pci_dev_attrs[] = {
__ATTR(broken_parity_status,(S_IRUGO|S_IWUSR),
broken_parity_status_show,broken_parity_status_store),
__ATTR(msi_bus, 0644, msi_bus_show, msi_bus_store),
- __ATTR(remove, (S_IWUSR|S_IWGRP), NULL, remove_store),
- __ATTR(rescan, (S_IWUSR|S_IWGRP), NULL, dev_rescan_store),
#if defined(CONFIG_PM_RUNTIME) && defined(CONFIG_ACPI)
__ATTR(d3cold_allowed, 0644, d3cold_allowed_show, d3cold_allowed_store),
#endif
@@ -1463,6 +1465,29 @@ static umode_t pci_dev_attrs_are_visible(struct kobject *kobj,
return a->mode;
}
+static struct attribute *pci_dev_hp_attrs[] = {
+ &dev_remove_attr.attr,
+ &dev_rescan_attr.attr,
+ NULL,
+};
+
+static umode_t pci_dev_hp_attrs_are_visible(struct kobject *kobj,
+ struct attribute *a, int n)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ if (pdev->is_virtfn)
+ return 0;
+
+ return a->mode;
+}
+
+static struct attribute_group pci_dev_hp_attr_group = {
+ .attrs = pci_dev_hp_attrs,
+ .is_visible = pci_dev_hp_attrs_are_visible,
+};
+
#ifdef CONFIG_PCI_IOV
static struct attribute *sriov_dev_attrs[] = {
&sriov_totalvfs_attr.attr,
@@ -1494,6 +1519,7 @@ static struct attribute_group pci_dev_attr_group = {
static const struct attribute_group *pci_dev_attr_groups[] = {
&pci_dev_attr_group,
+ &pci_dev_hp_attr_group,
#ifdef CONFIG_PCI_IOV
&sriov_dev_attr_group,
#endif
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index d12c77c..90ea3e8 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -13,10 +13,6 @@
#include <linux/aer.h>
#include <linux/interrupt.h>
-#define AER_NONFATAL 0
-#define AER_FATAL 1
-#define AER_CORRECTABLE 2
-
#define SYSTEM_ERROR_INTR_ON_MESG_MASK (PCI_EXP_RTCTL_SECEE| \
PCI_EXP_RTCTL_SENFEE| \
PCI_EXP_RTCTL_SEFEE)
diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 5194a7d..cf611ab 100644
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -29,6 +29,22 @@ static inline int hest_match_pci(struct acpi_hest_aer_common *p,
p->function == PCI_FUNC(pci->devfn));
}
+static inline bool hest_match_type(struct acpi_hest_header *hest_hdr,
+ struct pci_dev *dev)
+{
+ u16 hest_type = hest_hdr->type;
+ u8 pcie_type = pci_pcie_type(dev);
+
+ if ((hest_type == ACPI_HEST_TYPE_AER_ROOT_PORT &&
+ pcie_type == PCI_EXP_TYPE_ROOT_PORT) ||
+ (hest_type == ACPI_HEST_TYPE_AER_ENDPOINT &&
+ pcie_type == PCI_EXP_TYPE_ENDPOINT) ||
+ (hest_type == ACPI_HEST_TYPE_AER_BRIDGE &&
+ (dev->class >> 16) == PCI_BASE_CLASS_BRIDGE))
+ return true;
+ return false;
+}
+
struct aer_hest_parse_info {
struct pci_dev *pci_dev;
int firmware_first;
@@ -38,34 +54,16 @@ static int aer_hest_parse(struct acpi_hest_header *hest_hdr, void *data)
{
struct aer_hest_parse_info *info = data;
struct acpi_hest_aer_common *p;
- u8 pcie_type = 0;
- u8 bridge = 0;
- int ff = 0;
-
- switch (hest_hdr->type) {
- case ACPI_HEST_TYPE_AER_ROOT_PORT:
- pcie_type = PCI_EXP_TYPE_ROOT_PORT;
- break;
- case ACPI_HEST_TYPE_AER_ENDPOINT:
- pcie_type = PCI_EXP_TYPE_ENDPOINT;
- break;
- case ACPI_HEST_TYPE_AER_BRIDGE:
- if ((info->pci_dev->class >> 16) == PCI_BASE_CLASS_BRIDGE)
- bridge = 1;
- break;
- default:
- return 0;
- }
+ int ff;
p = (struct acpi_hest_aer_common *)(hest_hdr + 1);
+ ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
if (p->flags & ACPI_HEST_GLOBAL) {
- if ((pci_is_pcie(info->pci_dev) &&
- pci_pcie_type(info->pci_dev) == pcie_type) || bridge)
- ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
+ if (hest_match_type(hest_hdr, info->pci_dev))
+ info->firmware_first = ff;
} else
if (hest_match_pci(p, info->pci_dev))
- ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
- info->firmware_first = ff;
+ info->firmware_first = ff;
return 0;
}
@@ -89,6 +87,9 @@ static void aer_set_firmware_first(struct pci_dev *pci_dev)
int pcie_aer_get_firmware_first(struct pci_dev *dev)
{
+ if (!pci_is_pcie(dev))
+ return 0;
+
if (!dev->__aer_firmware_first_valid)
aer_set_firmware_first(dev);
return dev->__aer_firmware_first;
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c
index 8ec8b4f..d9e776e 100644
--- a/drivers/pci/pcie/aer/aerdrv_core.c
+++ b/drivers/pci/pcie/aer/aerdrv_core.c
@@ -400,16 +400,16 @@ void aer_do_secondary_bus_reset(struct pci_dev *dev)
}
/**
- * default_downstream_reset_link - default reset function for Downstream Port
- * @dev: pointer to downstream port's pci_dev data structure
+ * default_reset_link - default reset function
+ * @dev: pointer to pci_dev data structure
*
- * Invoked when performing link reset at Downstream Port w/ no aer driver.
+ * Invoked when performing link reset on a Downstream Port or a
+ * Root Port with no aer driver.
*/
-static pci_ers_result_t default_downstream_reset_link(struct pci_dev *dev)
+static pci_ers_result_t default_reset_link(struct pci_dev *dev)
{
aer_do_secondary_bus_reset(dev);
- dev_printk(KERN_DEBUG, &dev->dev,
- "Downstream Port link has been reset\n");
+ dev_printk(KERN_DEBUG, &dev->dev, "downstream link has been reset\n");
return PCI_ERS_RESULT_RECOVERED;
}
@@ -458,8 +458,9 @@ static pci_ers_result_t reset_link(struct pci_dev *dev)
if (driver && driver->reset_link) {
status = driver->reset_link(udev);
- } else if (pci_pcie_type(udev) == PCI_EXP_TYPE_DOWNSTREAM) {
- status = default_downstream_reset_link(udev);
+ } else if (pci_pcie_type(udev) == PCI_EXP_TYPE_DOWNSTREAM ||
+ pci_pcie_type(udev) == PCI_EXP_TYPE_ROOT_PORT) {
+ status = default_reset_link(udev);
} else {
dev_printk(KERN_DEBUG, &dev->dev,
"no link-reset support at upstream device %s\n",
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 58cc0a8..46ada5c 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -170,7 +170,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
{
u32 l, sz, mask;
u16 orig_cmd;
- struct pci_bus_region region;
+ struct pci_bus_region region, inverted_region;
bool bar_too_big = false, bar_disabled = false;
mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
@@ -250,12 +250,10 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
pci_write_config_dword(dev, pos + 4, 0);
region.start = 0;
region.end = sz64;
- pcibios_bus_to_resource(dev, res, &region);
bar_disabled = true;
} else {
region.start = l64;
region.end = l64 + sz64;
- pcibios_bus_to_resource(dev, res, &region);
}
} else {
sz = pci_size(l, sz, mask);
@@ -265,7 +263,28 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
region.start = l;
region.end = l + sz;
- pcibios_bus_to_resource(dev, res, &region);
+ }
+
+ pcibios_bus_to_resource(dev, res, &region);
+ pcibios_resource_to_bus(dev, &inverted_region, res);
+
+ /*
+ * If "A" is a BAR value (a bus address), "bus_to_resource(A)" is
+ * the corresponding resource address (the physical address used by
+ * the CPU. Converting that resource address back to a bus address
+ * should yield the original BAR value:
+ *
+ * resource_to_bus(bus_to_resource(A)) == A
+ *
+ * If it doesn't, CPU accesses to "bus_to_resource(A)" will not
+ * be claimed by the device.
+ */
+ if (inverted_region.start != region.start) {
+ dev_info(&dev->dev, "reg 0x%x: initial BAR value %pa invalid; forcing reassignment\n",
+ pos, &region.start);
+ res->flags |= IORESOURCE_UNSET;
+ res->end -= res->start;
+ res->start = 0;
}
goto out;
@@ -278,9 +297,9 @@ out:
pci_write_config_word(dev, PCI_COMMAND, orig_cmd);
if (bar_too_big)
- dev_err(&dev->dev, "reg %x: can't handle 64-bit BAR\n", pos);
+ dev_err(&dev->dev, "reg 0x%x: can't handle 64-bit BAR\n", pos);
if (res->flags && !bar_disabled)
- dev_printk(KERN_DEBUG, &dev->dev, "reg %x: %pR\n", pos, res);
+ dev_printk(KERN_DEBUG, &dev->dev, "reg 0x%x: %pR\n", pos, res);
return (res->flags & IORESOURCE_MEM_64) ? 1 : 0;
}
@@ -451,33 +470,46 @@ void pci_read_bridge_bases(struct pci_bus *child)
}
}
-static struct pci_bus * pci_alloc_bus(void)
+static struct pci_bus *pci_alloc_bus(void)
{
struct pci_bus *b;
b = kzalloc(sizeof(*b), GFP_KERNEL);
- if (b) {
- INIT_LIST_HEAD(&b->node);
- INIT_LIST_HEAD(&b->children);
- INIT_LIST_HEAD(&b->devices);
- INIT_LIST_HEAD(&b->slots);
- INIT_LIST_HEAD(&b->resources);
- b->max_bus_speed = PCI_SPEED_UNKNOWN;
- b->cur_bus_speed = PCI_SPEED_UNKNOWN;
- }
+ if (!b)
+ return NULL;
+
+ INIT_LIST_HEAD(&b->node);
+ INIT_LIST_HEAD(&b->children);
+ INIT_LIST_HEAD(&b->devices);
+ INIT_LIST_HEAD(&b->slots);
+ INIT_LIST_HEAD(&b->resources);
+ b->max_bus_speed = PCI_SPEED_UNKNOWN;
+ b->cur_bus_speed = PCI_SPEED_UNKNOWN;
return b;
}
+static void pci_release_host_bridge_dev(struct device *dev)
+{
+ struct pci_host_bridge *bridge = to_pci_host_bridge(dev);
+
+ if (bridge->release_fn)
+ bridge->release_fn(bridge);
+
+ pci_free_resource_list(&bridge->windows);
+
+ kfree(bridge);
+}
+
static struct pci_host_bridge *pci_alloc_host_bridge(struct pci_bus *b)
{
struct pci_host_bridge *bridge;
bridge = kzalloc(sizeof(*bridge), GFP_KERNEL);
- if (bridge) {
- INIT_LIST_HEAD(&bridge->windows);
- bridge->bus = b;
- }
+ if (!bridge)
+ return NULL;
+ INIT_LIST_HEAD(&bridge->windows);
+ bridge->bus = b;
return bridge;
}
@@ -1133,6 +1165,7 @@ static void pci_release_dev(struct device *dev)
pci_release_capabilities(pci_dev);
pci_release_of_node(pci_dev);
pcibios_release_device(pci_dev);
+ pci_bus_put(pci_dev->bus);
kfree(pci_dev);
}
@@ -1189,19 +1222,7 @@ int pci_cfg_space_size(struct pci_dev *dev)
return PCI_CFG_SPACE_SIZE;
}
-static void pci_release_bus_bridge_dev(struct device *dev)
-{
- struct pci_host_bridge *bridge = to_pci_host_bridge(dev);
-
- if (bridge->release_fn)
- bridge->release_fn(bridge);
-
- pci_free_resource_list(&bridge->windows);
-
- kfree(bridge);
-}
-
-struct pci_dev *alloc_pci_dev(void)
+struct pci_dev *pci_alloc_dev(struct pci_bus *bus)
{
struct pci_dev *dev;
@@ -1211,9 +1232,16 @@ struct pci_dev *alloc_pci_dev(void)
INIT_LIST_HEAD(&dev->bus_list);
dev->dev.type = &pci_dev_type;
+ dev->bus = pci_bus_get(bus);
return dev;
}
+EXPORT_SYMBOL(pci_alloc_dev);
+
+struct pci_dev *alloc_pci_dev(void)
+{
+ return pci_alloc_dev(NULL);
+}
EXPORT_SYMBOL(alloc_pci_dev);
bool pci_bus_read_dev_vendor_id(struct pci_bus *bus, int devfn, u32 *l,
@@ -1264,11 +1292,10 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
if (!pci_bus_read_dev_vendor_id(bus, devfn, &l, 60*1000))
return NULL;
- dev = alloc_pci_dev();
+ dev = pci_alloc_dev(bus);
if (!dev)
return NULL;
- dev->bus = bus;
dev->devfn = devfn;
dev->vendor = l & 0xffff;
dev->device = (l >> 16) & 0xffff;
@@ -1276,6 +1303,7 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
pci_set_of_node(dev);
if (pci_setup_device(dev)) {
+ pci_bus_put(dev->bus);
kfree(dev);
return NULL;
}
@@ -1701,15 +1729,19 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
goto err_out;
bridge->dev.parent = parent;
- bridge->dev.release = pci_release_bus_bridge_dev;
+ bridge->dev.release = pci_release_host_bridge_dev;
dev_set_name(&bridge->dev, "pci%04x:%02x", pci_domain_nr(b), bus);
error = pcibios_root_bridge_prepare(bridge);
- if (error)
- goto bridge_dev_reg_err;
+ if (error) {
+ kfree(bridge);
+ goto err_out;
+ }
error = device_register(&bridge->dev);
- if (error)
- goto bridge_dev_reg_err;
+ if (error) {
+ put_device(&bridge->dev);
+ goto err_out;
+ }
b->bridge = get_device(&bridge->dev);
device_enable_async_suspend(b->bridge);
pci_set_bus_of_node(b);
@@ -1765,8 +1797,6 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus,
class_dev_reg_err:
put_device(&bridge->dev);
device_unregister(&bridge->dev);
-bridge_dev_reg_err:
- kfree(bridge);
err_out:
kfree(b);
return NULL;
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index dee5ed4..e85d230 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -1022,6 +1022,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk
DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SATA_IDE, quirk_amd_ide_mode);
DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_HUDSON2_SATA_IDE, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, 0x7900, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, 0x7900, quirk_amd_ide_mode);
/*
* Serverworks CSB5 IDE does not fully support native mode
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