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-rw-r--r--drivers/pci/msi.c5
-rw-r--r--drivers/pci/msi.h6
-rw-r--r--drivers/pci/pci-acpi.c3
-rw-r--r--drivers/pci/pci-driver.c5
-rw-r--r--drivers/pci/pci-stub.c7
-rw-r--r--drivers/pci/pci-sysfs.c2
-rw-r--r--drivers/pci/pci.c25
-rw-r--r--drivers/pci/pci.h14
-rw-r--r--drivers/pci/pcie/aer/aerdrv.c1
-rw-r--r--drivers/pci/pcie/aer/aerdrv.h3
-rw-r--r--drivers/pci/pcie/aspm.c21
-rw-r--r--drivers/pci/pcie/pme.c31
-rw-r--r--drivers/pci/pcie/portdrv.h5
-rw-r--r--drivers/pci/pcie/portdrv_acpi.c23
-rw-r--r--drivers/pci/pcie/portdrv_core.c25
-rw-r--r--drivers/pci/pcie/portdrv_pci.c37
16 files changed, 102 insertions, 111 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 7c24dcef2989..44b0aeee83e5 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -168,8 +168,9 @@ static u32 __msix_mask_irq(struct msi_desc *desc, u32 flag)
u32 mask_bits = desc->masked;
unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
PCI_MSIX_ENTRY_VECTOR_CTRL;
- mask_bits &= ~1;
- mask_bits |= flag;
+ mask_bits &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT;
+ if (flag)
+ mask_bits |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
writel(mask_bits, desc->mask_base + offset);
return mask_bits;
diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h
index feff3bee6fe5..65c42f80f23e 100644
--- a/drivers/pci/msi.h
+++ b/drivers/pci/msi.h
@@ -6,12 +6,6 @@
#ifndef MSI_H
#define MSI_H
-#define PCI_MSIX_ENTRY_SIZE 16
-#define PCI_MSIX_ENTRY_LOWER_ADDR 0
-#define PCI_MSIX_ENTRY_UPPER_ADDR 4
-#define PCI_MSIX_ENTRY_DATA 8
-#define PCI_MSIX_ENTRY_VECTOR_CTRL 12
-
#define msi_control_reg(base) (base + PCI_MSI_FLAGS)
#define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO)
#define msi_upper_address_reg(base) (base + PCI_MSI_ADDRESS_HI)
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 24e19c594e57..6fe0772e0e7d 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -46,9 +46,9 @@ static void pci_acpi_wake_dev(acpi_handle handle, u32 event, void *context)
struct pci_dev *pci_dev = context;
if (event == ACPI_NOTIFY_DEVICE_WAKE && pci_dev) {
+ pci_wakeup_event(pci_dev);
pci_check_pme_status(pci_dev);
pm_runtime_resume(&pci_dev->dev);
- pci_wakeup_event(pci_dev);
if (pci_dev->subordinate)
pci_pme_wakeup_bus(pci_dev->subordinate);
}
@@ -399,6 +399,7 @@ static int __init acpi_pci_init(void)
if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) {
printk(KERN_INFO"ACPI FADT declares the system doesn't support PCIe ASPM, so disable it\n");
+ pcie_clear_aspm();
pcie_no_aspm();
}
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 8a6f797de8e5..88246dd46452 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -338,7 +338,7 @@ static int pci_call_probe(struct pci_driver *drv, struct pci_dev *dev,
}
/**
- * __pci_device_probe()
+ * __pci_device_probe - check if a driver wants to claim a specific PCI device
* @drv: driver to call to check if it wants the PCI device
* @pci_dev: PCI device being probed
*
@@ -449,7 +449,8 @@ static int pci_restore_standard_config(struct pci_dev *pci_dev)
return error;
}
- return pci_restore_state(pci_dev);
+ pci_restore_state(pci_dev);
+ return 0;
}
static void pci_pm_default_resume_early(struct pci_dev *pci_dev)
diff --git a/drivers/pci/pci-stub.c b/drivers/pci/pci-stub.c
index f7b68ca6cc98..775e933c2225 100644
--- a/drivers/pci/pci-stub.c
+++ b/drivers/pci/pci-stub.c
@@ -47,6 +47,10 @@ static int __init pci_stub_init(void)
if (rc)
return rc;
+ /* no ids passed actually */
+ if (ids[0] == '\0')
+ return 0;
+
/* add ids specified in the module parameter */
p = ids;
while ((id = strsep(&p, ","))) {
@@ -54,6 +58,9 @@ static int __init pci_stub_init(void)
subdevice = PCI_ANY_ID, class=0, class_mask=0;
int fields;
+ if (!strlen(id))
+ continue;
+
fields = sscanf(id, "%x:%x:%x:%x:%x:%x",
&vendor, &device, &subvendor, &subdevice,
&class, &class_mask);
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 63d5042f2079..8ecaac983923 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -1149,7 +1149,7 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
sysfs_bin_attr_init(attr);
attr->size = rom_size;
attr->attr.name = "rom";
- attr->attr.mode = S_IRUSR;
+ attr->attr.mode = S_IRUSR | S_IWUSR;
attr->read = pci_read_rom;
attr->write = pci_write_rom;
retval = sysfs_create_bin_file(&pdev->dev.kobj, attr);
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 710c8a29be0d..b714d787bddd 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -937,14 +937,13 @@ pci_save_state(struct pci_dev *dev)
* pci_restore_state - Restore the saved state of a PCI device
* @dev: - PCI device that we're dealing with
*/
-int
-pci_restore_state(struct pci_dev *dev)
+void pci_restore_state(struct pci_dev *dev)
{
int i;
u32 val;
if (!dev->state_saved)
- return 0;
+ return;
/* PCI Express register must be restored first */
pci_restore_pcie_state(dev);
@@ -968,8 +967,6 @@ pci_restore_state(struct pci_dev *dev)
pci_restore_iov_state(dev);
dev->state_saved = false;
-
- return 0;
}
static int do_pci_enable_device(struct pci_dev *dev, int bars)
@@ -1300,22 +1297,6 @@ bool pci_check_pme_status(struct pci_dev *dev)
return ret;
}
-/*
- * Time to wait before the system can be put into a sleep state after reporting
- * a wakeup event signaled by a PCI device.
- */
-#define PCI_WAKEUP_COOLDOWN 100
-
-/**
- * pci_wakeup_event - Report a wakeup event related to a given PCI device.
- * @dev: Device to report the wakeup event for.
- */
-void pci_wakeup_event(struct pci_dev *dev)
-{
- if (device_may_wakeup(&dev->dev))
- pm_wakeup_event(&dev->dev, PCI_WAKEUP_COOLDOWN);
-}
-
/**
* pci_pme_wakeup - Wake up a PCI device if its PME Status bit is set.
* @dev: Device to handle.
@@ -1327,8 +1308,8 @@ void pci_wakeup_event(struct pci_dev *dev)
static int pci_pme_wakeup(struct pci_dev *dev, void *ign)
{
if (pci_check_pme_status(dev)) {
- pm_request_resume(&dev->dev);
pci_wakeup_event(dev);
+ pm_request_resume(&dev->dev);
}
return 0;
}
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 7d33f6673868..f69d6e0fda75 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -74,6 +74,12 @@ extern void pci_pm_init(struct pci_dev *dev);
extern void platform_pci_wakeup_init(struct pci_dev *dev);
extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
+static inline void pci_wakeup_event(struct pci_dev *dev)
+{
+ /* Wait 100 ms before the system can be put into a sleep state. */
+ pm_wakeup_event(&dev->dev, 100);
+}
+
static inline bool pci_is_bridge(struct pci_dev *pci_dev)
{
return !!(pci_dev->subordinate);
@@ -140,14 +146,6 @@ static inline void pci_no_msi(void) { }
static inline void pci_msi_init_pci_dev(struct pci_dev *dev) { }
#endif
-#ifdef CONFIG_PCIEAER
-void pci_no_aer(void);
-bool pci_aer_available(void);
-#else
-static inline void pci_no_aer(void) { }
-static inline bool pci_aer_available(void) { return false; }
-#endif
-
static inline int pci_no_d1d2(struct pci_dev *dev)
{
unsigned int parent_dstates = 0;
diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c
index 2b2b6508efde..58ad7917553c 100644
--- a/drivers/pci/pcie/aer/aerdrv.c
+++ b/drivers/pci/pcie/aer/aerdrv.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/pci.h>
+#include <linux/pci-acpi.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/errno.h>
diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h
index 9656e3060412..80c11d131499 100644
--- a/drivers/pci/pcie/aer/aerdrv.h
+++ b/drivers/pci/pcie/aer/aerdrv.h
@@ -132,7 +132,6 @@ static inline int aer_osc_setup(struct pcie_device *pciedev)
#ifdef CONFIG_ACPI_APEI
extern int pcie_aer_get_firmware_first(struct pci_dev *pci_dev);
-extern bool aer_acpi_firmware_first(void);
#else
static inline int pcie_aer_get_firmware_first(struct pci_dev *pci_dev)
{
@@ -140,8 +139,6 @@ static inline int pcie_aer_get_firmware_first(struct pci_dev *pci_dev)
return pci_dev->__aer_firmware_first;
return 0;
}
-
-static inline bool aer_acpi_firmware_first(void) { return false; }
#endif
static inline void pcie_aer_force_firmware_first(struct pci_dev *pci_dev,
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 71222814c1ec..3188cd96b338 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -68,7 +68,7 @@ struct pcie_link_state {
struct aspm_latency acceptable[8];
};
-static int aspm_disabled, aspm_force;
+static int aspm_disabled, aspm_force, aspm_clear_state;
static DEFINE_MUTEX(aspm_lock);
static LIST_HEAD(link_list);
@@ -139,7 +139,7 @@ static void pcie_set_clkpm(struct pcie_link_state *link, int enable)
{
/* Don't enable Clock PM if the link is not Clock PM capable */
if (!link->clkpm_capable && enable)
- return;
+ enable = 0;
/* Need nothing if the specified equals to current state */
if (link->clkpm_enabled == enable)
return;
@@ -498,6 +498,10 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
struct pci_dev *child;
int pos;
u32 reg32;
+
+ if (aspm_clear_state)
+ return -EINVAL;
+
/*
* Some functions in a slot might not all be PCIe functions,
* very strange. Disable ASPM for the whole slot
@@ -563,12 +567,15 @@ void pcie_aspm_init_link_state(struct pci_dev *pdev)
struct pcie_link_state *link;
int blacklist = !!pcie_aspm_sanity_check(pdev);
- if (aspm_disabled || !pci_is_pcie(pdev) || pdev->link_state)
+ if (!pci_is_pcie(pdev) || pdev->link_state)
return;
if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT &&
pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)
return;
+ if (aspm_disabled && !aspm_clear_state)
+ return;
+
/* VIA has a strange chipset, root port is under a bridge */
if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT &&
pdev->bus->self)
@@ -641,7 +648,7 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev)
struct pci_dev *parent = pdev->bus->self;
struct pcie_link_state *link, *root, *parent_link;
- if (aspm_disabled || !pci_is_pcie(pdev) ||
+ if ((aspm_disabled && !aspm_clear_state) || !pci_is_pcie(pdev) ||
!parent || !parent->link_state)
return;
if ((parent->pcie_type != PCI_EXP_TYPE_ROOT_PORT) &&
@@ -899,6 +906,12 @@ static int __init pcie_aspm_disable(char *str)
__setup("pcie_aspm=", pcie_aspm_disable);
+void pcie_clear_aspm(void)
+{
+ if (!aspm_force)
+ aspm_clear_state = 1;
+}
+
void pcie_no_aspm(void)
{
if (!aspm_force)
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
index 2f3c90407227..0057344a3fcb 100644
--- a/drivers/pci/pcie/pme.c
+++ b/drivers/pci/pcie/pme.c
@@ -26,9 +26,6 @@
#include "../pci.h"
#include "portdrv.h"
-#define PCI_EXP_RTSTA_PME 0x10000 /* PME status */
-#define PCI_EXP_RTSTA_PENDING 0x20000 /* PME pending */
-
/*
* If this switch is set, MSI will not be used for PCIe PME signaling. This
* causes the PCIe port driver to use INTx interrupts only, but it turns out
@@ -74,22 +71,6 @@ void pcie_pme_interrupt_enable(struct pci_dev *dev, bool enable)
}
/**
- * pcie_pme_clear_status - Clear root port PME interrupt status.
- * @dev: PCIe root port or event collector.
- */
-static void pcie_pme_clear_status(struct pci_dev *dev)
-{
- int rtsta_pos;
- u32 rtsta;
-
- rtsta_pos = pci_pcie_cap(dev) + PCI_EXP_RTSTA;
-
- pci_read_config_dword(dev, rtsta_pos, &rtsta);
- rtsta |= PCI_EXP_RTSTA_PME;
- pci_write_config_dword(dev, rtsta_pos, rtsta);
-}
-
-/**
* pcie_pme_walk_bus - Scan a PCI bus for devices asserting PME#.
* @bus: PCI bus to scan.
*
@@ -103,8 +84,8 @@ static bool pcie_pme_walk_bus(struct pci_bus *bus)
list_for_each_entry(dev, &bus->devices, bus_list) {
/* Skip PCIe devices in case we started from a root port. */
if (!pci_is_pcie(dev) && pci_check_pme_status(dev)) {
- pm_request_resume(&dev->dev);
pci_wakeup_event(dev);
+ pm_request_resume(&dev->dev);
ret = true;
}
@@ -206,8 +187,8 @@ static void pcie_pme_handle_request(struct pci_dev *port, u16 req_id)
/* The device is there, but we have to check its PME status. */
found = pci_check_pme_status(dev);
if (found) {
- pm_request_resume(&dev->dev);
pci_wakeup_event(dev);
+ pm_request_resume(&dev->dev);
}
pci_dev_put(dev);
} else if (devfn) {
@@ -253,7 +234,7 @@ static void pcie_pme_work_fn(struct work_struct *work)
* Clear PME status of the port. If there are other
* pending PMEs, the status will be set again.
*/
- pcie_pme_clear_status(port);
+ pcie_clear_root_pme_status(port);
spin_unlock_irq(&data->lock);
pcie_pme_handle_request(port, rtsta & 0xffff);
@@ -378,7 +359,7 @@ static int pcie_pme_probe(struct pcie_device *srv)
port = srv->port;
pcie_pme_interrupt_enable(port, false);
- pcie_pme_clear_status(port);
+ pcie_clear_root_pme_status(port);
ret = request_irq(srv->irq, pcie_pme_irq, IRQF_SHARED, "PCIe PME", srv);
if (ret) {
@@ -402,7 +383,7 @@ static int pcie_pme_suspend(struct pcie_device *srv)
spin_lock_irq(&data->lock);
pcie_pme_interrupt_enable(port, false);
- pcie_pme_clear_status(port);
+ pcie_clear_root_pme_status(port);
data->noirq = true;
spin_unlock_irq(&data->lock);
@@ -422,7 +403,7 @@ static int pcie_pme_resume(struct pcie_device *srv)
spin_lock_irq(&data->lock);
data->noirq = false;
- pcie_pme_clear_status(port);
+ pcie_clear_root_pme_status(port);
pcie_pme_interrupt_enable(port, true);
spin_unlock_irq(&data->lock);
diff --git a/drivers/pci/pcie/portdrv.h b/drivers/pci/pcie/portdrv.h
index 7b5aba0a3291..bd00a01aef14 100644
--- a/drivers/pci/pcie/portdrv.h
+++ b/drivers/pci/pcie/portdrv.h
@@ -20,9 +20,6 @@
#define get_descriptor_id(type, service) (((type - 4) << 4) | service)
-extern bool pcie_ports_disabled;
-extern bool pcie_ports_auto;
-
extern struct bus_type pcie_port_bus_type;
extern int pcie_port_device_register(struct pci_dev *dev);
#ifdef CONFIG_PM
@@ -35,6 +32,8 @@ extern void pcie_port_bus_unregister(void);
struct pci_dev;
+extern void pcie_clear_root_pme_status(struct pci_dev *dev);
+
#ifdef CONFIG_PCIE_PME
extern bool pcie_pme_msi_disabled;
diff --git a/drivers/pci/pcie/portdrv_acpi.c b/drivers/pci/pcie/portdrv_acpi.c
index 5982b6a63b89..a86b56e5f2f2 100644
--- a/drivers/pci/pcie/portdrv_acpi.c
+++ b/drivers/pci/pcie/portdrv_acpi.c
@@ -33,7 +33,7 @@
*/
int pcie_port_acpi_setup(struct pci_dev *port, int *srv_mask)
{
- acpi_status status;
+ struct acpi_pci_root *root;
acpi_handle handle;
u32 flags;
@@ -44,26 +44,11 @@ int pcie_port_acpi_setup(struct pci_dev *port, int *srv_mask)
if (!handle)
return -EINVAL;
- flags = OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL
- | OSC_PCI_EXPRESS_NATIVE_HP_CONTROL
- | OSC_PCI_EXPRESS_PME_CONTROL;
-
- if (pci_aer_available()) {
- if (aer_acpi_firmware_first())
- dev_dbg(&port->dev, "PCIe errors handled by BIOS.\n");
- else
- flags |= OSC_PCI_EXPRESS_AER_CONTROL;
- }
-
- status = acpi_pci_osc_control_set(handle, &flags,
- OSC_PCI_EXPRESS_CAP_STRUCTURE_CONTROL);
- if (ACPI_FAILURE(status)) {
- dev_dbg(&port->dev, "ACPI _OSC request failed (code %d)\n",
- status);
+ root = acpi_pci_find_root(handle);
+ if (!root)
return -ENODEV;
- }
- dev_info(&port->dev, "ACPI _OSC control granted for 0x%02x\n", flags);
+ flags = root->osc_control_set;
*srv_mask = PCIE_PORT_SERVICE_VC;
if (flags & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index a9c222d79ebc..5130d0d22390 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -241,17 +241,17 @@ static int get_port_device_capability(struct pci_dev *dev)
int cap_mask;
int err;
+ if (pcie_ports_disabled)
+ return 0;
+
err = pcie_port_platform_notify(dev, &cap_mask);
- if (pcie_ports_auto) {
- if (err) {
- pcie_no_aspm();
- return 0;
- }
- } else {
+ if (!pcie_ports_auto) {
cap_mask = PCIE_PORT_SERVICE_PME | PCIE_PORT_SERVICE_HP
| PCIE_PORT_SERVICE_VC;
if (pci_aer_available())
cap_mask |= PCIE_PORT_SERVICE_AER;
+ } else if (err) {
+ return 0;
}
pos = pci_pcie_cap(dev);
@@ -349,15 +349,18 @@ int pcie_port_device_register(struct pci_dev *dev)
int status, capabilities, i, nr_service;
int irqs[PCIE_PORT_DEVICE_MAXSERVICES];
- /* Get and check PCI Express port services */
- capabilities = get_port_device_capability(dev);
- if (!capabilities)
- return -ENODEV;
-
/* Enable PCI Express port device */
status = pci_enable_device(dev);
if (status)
return status;
+
+ /* Get and check PCI Express port services */
+ capabilities = get_port_device_capability(dev);
+ if (!capabilities) {
+ pcie_no_aspm();
+ return 0;
+ }
+
pci_set_master(dev);
/*
* Initialize service irqs. Don't use service devices that
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index f9033e190fb6..e0610bda1dea 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -57,6 +57,22 @@ __setup("pcie_ports=", pcie_port_setup);
/* global data */
+/**
+ * pcie_clear_root_pme_status - Clear root port PME interrupt status.
+ * @dev: PCIe root port or event collector.
+ */
+void pcie_clear_root_pme_status(struct pci_dev *dev)
+{
+ int rtsta_pos;
+ u32 rtsta;
+
+ rtsta_pos = pci_pcie_cap(dev) + PCI_EXP_RTSTA;
+
+ pci_read_config_dword(dev, rtsta_pos, &rtsta);
+ rtsta |= PCI_EXP_RTSTA_PME;
+ pci_write_config_dword(dev, rtsta_pos, rtsta);
+}
+
static int pcie_portdrv_restore_config(struct pci_dev *dev)
{
int retval;
@@ -69,6 +85,20 @@ static int pcie_portdrv_restore_config(struct pci_dev *dev)
}
#ifdef CONFIG_PM
+static int pcie_port_resume_noirq(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ /*
+ * Some BIOSes forget to clear Root PME Status bits after system wakeup
+ * which breaks ACPI-based runtime wakeup on PCI Express, so clear those
+ * bits now just in case (shouldn't hurt).
+ */
+ if(pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT)
+ pcie_clear_root_pme_status(pdev);
+ return 0;
+}
+
static const struct dev_pm_ops pcie_portdrv_pm_ops = {
.suspend = pcie_port_device_suspend,
.resume = pcie_port_device_resume,
@@ -76,6 +106,7 @@ static const struct dev_pm_ops pcie_portdrv_pm_ops = {
.thaw = pcie_port_device_resume,
.poweroff = pcie_port_device_suspend,
.restore = pcie_port_device_resume,
+ .resume_noirq = pcie_port_resume_noirq,
};
#define PCIE_PORTDRV_PM_OPS (&pcie_portdrv_pm_ops)
@@ -327,10 +358,8 @@ static int __init pcie_portdrv_init(void)
{
int retval;
- if (pcie_ports_disabled) {
- pcie_no_aspm();
- return -EACCES;
- }
+ if (pcie_ports_disabled)
+ return pci_register_driver(&pcie_portdriver);
dmi_check_system(pcie_portdrv_dmi_table);
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-30 21:07:58 +0000