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Merge branches 'pci/hotplug', 'pci/msi', 'pci/virtualization' and 'pci/misc' into next

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* pci/hotplug:
  PCI: rphahp: Fix endianess issues
  PCI: Allow hotplug service drivers to operate in polling mode
  PCI: pciehp: Acknowledge spurious "cmd completed" event
  PCI: pciehp: Use PCI_EXP_SLTCAP_PSN define
  PCI: hotplug: Remove unnecessary "dev->bus" test

* pci/msi:
  GenWQE: Use pci_enable_msi_exact() instead of pci_enable_msi_block()
  PCI/MSI: Simplify populate_msi_sysfs()
  PCI/portdrv: Use pci_enable_msix_exact() instead of pci_enable_msix()

* pci/virtualization:
  PCI: Add Patsburg (X79) to Intel PCH root port ACS quirk

* pci/misc:
  PCI: Fix use of uninitialized MPS value
  PCI: Remove dead code
  MAINTAINERS: Add arch/x86/kernel/quirks.c to PCI file patterns
  PCI: Remove unnecessary __ref annotations
  PCI: Fail new_id for vendor/device values already built into driver
  PCI: Add new ID for Intel GPU "spurious interrupt" quirk
  PCI: Update my email address
  PCI: Fix incorrect vgaarb conditional in WARN_ON()
  PCI: Use designated initialization in PCI_VDEVICE
  PCI: Remove old serial device IDs
  PCI: Remove unnecessary includes of <linux/init.h>
  powerpc/PCI: Fix NULL dereference in sys_pciconfig_iobase() list traversal
This commit is contained in:
Bjorn Helgaas 2014-04-29 17:43:58 -06:00
commit 518a6a34f6
29 changed files with 90 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/ABI/testing/sysfs-bus-pci
View File

@ -117,7 +117,7 @@ Description:
What: /sys/bus/pci/devices/.../vpd
Date: February 2008
Contact: Ben Hutchings <bhutchings@solarflare.com>
Contact: Ben Hutchings <bwh@kernel.org>
Description:
A file named vpd in a device directory will be a
binary file containing the Vital Product Data for the

1
MAINTAINERS
View File

@ -6693,6 +6693,7 @@ F: Documentation/PCI/
F: drivers/pci/
F: include/linux/pci*
F: arch/x86/pci/
F: arch/x86/kernel/quirks.c
PCI DRIVER FOR IMX6
M: Richard Zhu <r65037@freescale.com>

10
arch/powerpc/kernel/pci_64.c
View File

@ -208,7 +208,7 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
unsigned long in_devfn)
{
struct pci_controller* hose;
struct pci_bus *bus = NULL;
struct pci_bus *tmp_bus, *bus = NULL;
struct device_node *hose_node;
/* Argh ! Please forgive me for that hack, but that's the
@ -229,10 +229,12 @@ long sys_pciconfig_iobase(long which, unsigned long in_bus,
* used on pre-domains setup. We return the first match
*/
list_for_each_entry(bus, &pci_root_buses, node) {
if (in_bus >= bus->number && in_bus <= bus->busn_res.end)
list_for_each_entry(tmp_bus, &pci_root_buses, node) {
if (in_bus >= tmp_bus->number &&
in_bus <= tmp_bus->busn_res.end) {
bus = tmp_bus;
break;
bus = NULL;
}
}
if (bus == NULL || bus->dev.of_node == NULL)
return -ENODEV;

2
drivers/misc/genwqe/card_utils.c
View File

@ -628,7 +628,7 @@ int genwqe_set_interrupt_capability(struct genwqe_dev *cd, int count)
int rc;
struct pci_dev *pci_dev = cd->pci_dev;
rc = pci_enable_msi_block(pci_dev, count);
rc = pci_enable_msi_exact(pci_dev, count);
if (rc == 0)
cd->flags |= GENWQE_FLAG_MSI_ENABLED;
return rc;

1
drivers/pci/bus.c
View File

@ -13,7 +13,6 @@
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/slab.h>
#include "pci.h"

1
drivers/pci/host-bridge.c
View File

@ -3,7 +3,6 @@
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/module.h>

2
drivers/pci/hotplug-pci.c
View File

@ -4,7 +4,7 @@
#include <linux/export.h>
#include "pci.h"
int __ref pci_hp_add_bridge(struct pci_dev *dev)
int pci_hp_add_bridge(struct pci_dev *dev)
{
struct pci_bus *parent = dev->bus;
int pass, busnr, start = parent->busn_res.start;

3
drivers/pci/hotplug/acpiphp_glue.c
View File

@ -41,7 +41,6 @@
#define pr_fmt(fmt) "acpiphp_glue: " fmt
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
@ -501,7 +500,7 @@ static int acpiphp_rescan_slot(struct acpiphp_slot *slot)
* This function should be called per *physical slot*,
* not per each slot object in ACPI namespace.
*/
static void __ref enable_slot(struct acpiphp_slot *slot)
static void enable_slot(struct acpiphp_slot *slot)
{
struct pci_dev *dev;
struct pci_bus *bus = slot->bus;

2
drivers/pci/hotplug/cpci_hotplug_pci.c
View File

@ -250,7 +250,7 @@ int cpci_led_off(struct slot* slot)
* Device configuration functions
*/
int __ref cpci_configure_slot(struct slot *slot)
int cpci_configure_slot(struct slot *slot)
{
struct pci_dev *dev;
struct pci_bus *parent;

1
drivers/pci/hotplug/cpqphp_nvram.c
View File

@ -34,7 +34,6 @@
#include <linux/workqueue.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
#include <linux/init.h>
#include <asm/uaccess.h>
#include "cpqphp.h"
#include "cpqphp_nvram.h"

2
drivers/pci/hotplug/pciehp.h
View File

@ -127,7 +127,7 @@ struct controller {
#define HP_SUPR_RM(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_HPS)
#define EMI(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_EIP)
#define NO_CMD_CMPL(ctrl) ((ctrl)->slot_cap & PCI_EXP_SLTCAP_NCCS)
#define PSN(ctrl) ((ctrl)->slot_cap >> 19)
#define PSN(ctrl) (((ctrl)->slot_cap & PCI_EXP_SLTCAP_PSN) >> 19)
int pciehp_sysfs_enable_slot(struct slot *slot);
int pciehp_sysfs_disable_slot(struct slot *slot);

2
drivers/pci/hotplug/pciehp_hpc.c
View File

@ -159,6 +159,8 @@ static void pcie_write_cmd(struct controller *ctrl, u16 cmd, u16 mask)
pcie_capability_read_word(pdev, PCI_EXP_SLTSTA, &slot_status);
if (slot_status & PCI_EXP_SLTSTA_CC) {
pcie_capability_write_word(pdev, PCI_EXP_SLTSTA,
PCI_EXP_SLTSTA_CC);
if (!ctrl->no_cmd_complete) {
/*
* After 1 sec and CMD_COMPLETED still not set, just

3
drivers/pci/hotplug/pcihp_slot.c
View File

@ -160,8 +160,7 @@ void pci_configure_slot(struct pci_dev *dev)
(dev->class >> 8) == PCI_CLASS_BRIDGE_PCI)))
return;
if (dev->bus)
pcie_bus_configure_settings(dev->bus);
pcie_bus_configure_settings(dev->bus);
memset(&hpp, 0, sizeof(hpp));
ret = pci_get_hp_params(dev, &hpp);

15
drivers/pci/hotplug/rpaphp_core.c
View File

@ -223,16 +223,16 @@ int rpaphp_get_drc_props(struct device_node *dn, int *drc_index,
type_tmp = (char *) &types[1];
/* Iterate through parent properties, looking for my-drc-index */
for (i = 0; i < indexes[0]; i++) {
for (i = 0; i < be32_to_cpu(indexes[0]); i++) {
if ((unsigned int) indexes[i + 1] == *my_index) {
if (drc_name)
*drc_name = name_tmp;
if (drc_type)
*drc_type = type_tmp;
if (drc_index)
*drc_index = *my_index;
*drc_index = be32_to_cpu(*my_index);
if (drc_power_domain)
*drc_power_domain = domains[i+1];
*drc_power_domain = be32_to_cpu(domains[i+1]);
return 0;
}
name_tmp += (strlen(name_tmp) + 1);
@ -321,16 +321,19 @@ int rpaphp_add_slot(struct device_node *dn)
/* register PCI devices */
name = (char *) &names[1];
type = (char *) &types[1];
for (i = 0; i < indexes[0]; i++) {
for (i = 0; i < be32_to_cpu(indexes[0]); i++) {
int index;
slot = alloc_slot_struct(dn, indexes[i + 1], name, power_domains[i + 1]);
index = be32_to_cpu(indexes[i + 1]);
slot = alloc_slot_struct(dn, index, name,
be32_to_cpu(power_domains[i + 1]));
if (!slot)
return -ENOMEM;
slot->type = simple_strtoul(type, NULL, 10);
dbg("Found drc-index:0x%x drc-name:%s drc-type:%s\n",
indexes[i + 1], name, type);
index, name, type);
retval = rpaphp_enable_slot(slot);
if (!retval)

1
drivers/pci/hotplug/s390_pci_hpc.c
View File

@ -15,7 +15,6 @@
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
#include <linux/init.h>
#include <asm/pci_debug.h>
#include <asm/sclp.h>

2
drivers/pci/hotplug/shpchp_pci.c
View File

@ -34,7 +34,7 @@
#include "../pci.h"
#include "shpchp.h"
int __ref shpchp_configure_device(struct slot *p_slot)
int shpchp_configure_device(struct slot *p_slot)
{
struct pci_dev *dev;
struct controller *ctrl = p_slot->ctrl;

17
drivers/pci/msi.c
View File

@ -10,7 +10,6 @@
#include <linux/mm.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/export.h>
#include <linux/ioport.h>
#include <linux/pci.h>
@ -544,22 +543,18 @@ static int populate_msi_sysfs(struct pci_dev *pdev)
if (!msi_attrs)
return -ENOMEM;
list_for_each_entry(entry, &pdev->msi_list, list) {
char *name = kmalloc(20, GFP_KERNEL);
if (!name)
goto error_attrs;
msi_dev_attr = kzalloc(sizeof(*msi_dev_attr), GFP_KERNEL);
if (!msi_dev_attr) {
kfree(name);
if (!msi_dev_attr)
goto error_attrs;
}
msi_attrs[count] = &msi_dev_attr->attr;
sprintf(name, "%d", entry->irq);
sysfs_attr_init(&msi_dev_attr->attr);
msi_dev_attr->attr.name = name;
msi_dev_attr->attr.name = kasprintf(GFP_KERNEL, "%d",
entry->irq);
if (!msi_dev_attr->attr.name)
goto error_attrs;
msi_dev_attr->attr.mode = S_IRUGO;
msi_dev_attr->show = msi_mode_show;
msi_attrs[count] = &msi_dev_attr->attr;
++count;
}

25
drivers/pci/pci-driver.c
View File

@ -107,7 +107,7 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
subdevice=PCI_ANY_ID, class=0, class_mask=0;
unsigned long driver_data=0;
int fields=0;
int retval;
int retval = 0;
fields = sscanf(buf, "%x %x %x %x %x %x %lx",
&vendor, &device, &subvendor, &subdevice,
@ -115,6 +115,26 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
if (fields < 2)
return -EINVAL;
if (fields != 7) {
struct pci_dev *pdev = kzalloc(sizeof(*pdev), GFP_KERNEL);
if (!pdev)
return -ENOMEM;
pdev->vendor = vendor;
pdev->device = device;
pdev->subsystem_vendor = subvendor;
pdev->subsystem_device = subdevice;
pdev->class = class;
if (pci_match_id(pdrv->id_table, pdev))
retval = -EEXIST;
kfree(pdev);
if (retval)
return retval;
}
/* Only accept driver_data values that match an existing id_table
entry */
if (ids) {
@ -1325,8 +1345,6 @@ static int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
return -ENODEV;
pdev = to_pci_dev(dev);
if (!pdev)
return -ENODEV;
if (add_uevent_var(env, "PCI_CLASS=%04X", pdev->class))
return -ENOMEM;
@ -1347,6 +1365,7 @@ static int pci_uevent(struct device *dev, struct kobj_uevent_env *env)
(u8)(pdev->class >> 16), (u8)(pdev->class >> 8),
(u8)(pdev->class)))
return -ENOMEM;
return 0;
}

2
drivers/pci/pci.c
View File

@ -4125,7 +4125,7 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode,
u16 cmd;
int rc;
WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) & (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) && (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
/* ARCH specific VGA enables */
rc = pci_set_vga_state_arch(dev, decode, command_bits, flags);

8
drivers/pci/pci.h
View File

@ -201,11 +201,11 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
struct resource *res, unsigned int reg);
int pci_resource_bar(struct pci_dev *dev, int resno, enum pci_bar_type *type);
void pci_configure_ari(struct pci_dev *dev);
void __ref __pci_bus_size_bridges(struct pci_bus *bus,
void __pci_bus_size_bridges(struct pci_bus *bus,
struct list_head *realloc_head);
void __ref __pci_bus_assign_resources(const struct pci_bus *bus,
struct list_head *realloc_head,
struct list_head *fail_head);
void __pci_bus_assign_resources(const struct pci_bus *bus,
struct list_head *realloc_head,
struct list_head *fail_head);
/**
* pci_ari_enabled - query ARI forwarding status

9
drivers/pci/pcie/portdrv_core.c
View File

@ -99,7 +99,7 @@ static int pcie_port_enable_msix(struct pci_dev *dev, int *vectors, int mask)
for (i = 0; i < nr_entries; i++)
msix_entries[i].entry = i;
status = pci_enable_msix(dev, msix_entries, nr_entries);
status = pci_enable_msix_exact(dev, msix_entries, nr_entries);
if (status)
goto Exit;
@ -171,7 +171,7 @@ static int pcie_port_enable_msix(struct pci_dev *dev, int *vectors, int mask)
pci_disable_msix(dev);
/* Now allocate the MSI-X vectors for real */
status = pci_enable_msix(dev, msix_entries, nvec);
status = pci_enable_msix_exact(dev, msix_entries, nvec);
if (status)
goto Exit;
}
@ -379,10 +379,13 @@ int pcie_port_device_register(struct pci_dev *dev)
/*
* Initialize service irqs. Don't use service devices that
* require interrupts if there is no way to generate them.
* However, some drivers may have a polling mode (e.g. pciehp_poll_mode)
* that can be used in the absence of irqs. Allow them to determine
* if that is to be used.
*/
status = init_service_irqs(dev, irqs, capabilities);
if (status) {
capabilities &= PCIE_PORT_SERVICE_VC;
capabilities &= PCIE_PORT_SERVICE_VC | PCIE_PORT_SERVICE_HP;
if (!capabilities)
goto error_disable;
}

10
drivers/pci/probe.c
View File

@ -719,7 +719,7 @@ add_dev:
return child;
}
struct pci_bus *__ref pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr)
struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr)
{
struct pci_bus *child;
@ -1369,7 +1369,7 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus)
WARN_ON(ret < 0);
}
struct pci_dev *__ref pci_scan_single_device(struct pci_bus *bus, int devfn)
struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn)
{
struct pci_dev *dev;
@ -1617,7 +1617,7 @@ static int pcie_bus_configure_set(struct pci_dev *dev, void *data)
*/
void pcie_bus_configure_settings(struct pci_bus *bus)
{
u8 smpss;
u8 smpss = 0;
if (!bus->self)
return;
@ -1958,7 +1958,7 @@ EXPORT_SYMBOL(pci_scan_bus);
*
* Returns the max number of subordinate bus discovered.
*/
unsigned int __ref pci_rescan_bus_bridge_resize(struct pci_dev *bridge)
unsigned int pci_rescan_bus_bridge_resize(struct pci_dev *bridge)
{
unsigned int max;
struct pci_bus *bus = bridge->subordinate;
@ -1981,7 +1981,7 @@ unsigned int __ref pci_rescan_bus_bridge_resize(struct pci_dev *bridge)
*
* Returns the max number of subordinate bus discovered.
*/
unsigned int __ref pci_rescan_bus(struct pci_bus *bus)
unsigned int pci_rescan_bus(struct pci_bus *bus)
{
unsigned int max;

3
drivers/pci/quirks.c
View File

@ -2954,6 +2954,7 @@ static void disable_igfx_irq(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0152, disable_igfx_irq);
/*
* PCI devices which are on Intel chips can skip the 10ms delay
@ -3453,6 +3454,8 @@ static const u16 pci_quirk_intel_pch_acs_ids[] = {
/* Wildcat PCH */
0x9c90, 0x9c91, 0x9c92, 0x9c93, 0x9c94, 0x9c95, 0x9c96, 0x9c97,
0x9c98, 0x9c99, 0x9c9a, 0x9c9b,
/* Patsburg (X79) PCH */
0x1d10, 0x1d12, 0x1d14, 0x1d16, 0x1d18, 0x1d1a, 0x1d1c, 0x1d1e,
};
static bool pci_quirk_intel_pch_acs_match(struct pci_dev *dev)

1
drivers/pci/search.c
View File

@ -7,7 +7,6 @@
* Copyright (C) 2003 -- 2004 Greg Kroah-Hartman <greg@kroah.com>
*/
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/module.h>

25
drivers/pci/setup-bus.c
View File

@ -1113,8 +1113,7 @@ handle_done:
;
}
void __ref __pci_bus_size_bridges(struct pci_bus *bus,
struct list_head *realloc_head)
void __pci_bus_size_bridges(struct pci_bus *bus, struct list_head *realloc_head)
{
struct pci_dev *dev;
unsigned long mask, prefmask;
@ -1178,15 +1177,15 @@ void __ref __pci_bus_size_bridges(struct pci_bus *bus,
}
}
void __ref pci_bus_size_bridges(struct pci_bus *bus)
void pci_bus_size_bridges(struct pci_bus *bus)
{
__pci_bus_size_bridges(bus, NULL);
}
EXPORT_SYMBOL(pci_bus_size_bridges);
void __ref __pci_bus_assign_resources(const struct pci_bus *bus,
struct list_head *realloc_head,
struct list_head *fail_head)
void __pci_bus_assign_resources(const struct pci_bus *bus,
struct list_head *realloc_head,
struct list_head *fail_head)
{
struct pci_bus *b;
struct pci_dev *dev;
@ -1218,15 +1217,15 @@ void __ref __pci_bus_assign_resources(const struct pci_bus *bus,
}
}
void __ref pci_bus_assign_resources(const struct pci_bus *bus)
void pci_bus_assign_resources(const struct pci_bus *bus)
{
__pci_bus_assign_resources(bus, NULL, NULL);
}
EXPORT_SYMBOL(pci_bus_assign_resources);
static void __ref __pci_bridge_assign_resources(const struct pci_dev *bridge,
struct list_head *add_head,
struct list_head *fail_head)
static void __pci_bridge_assign_resources(const struct pci_dev *bridge,
struct list_head *add_head,
struct list_head *fail_head)
{
struct pci_bus *b;
@ -1304,9 +1303,9 @@ enum release_type {
* try to release pci bridge resources that is from leaf bridge,
* so we can allocate big new one later
*/
static void __ref pci_bus_release_bridge_resources(struct pci_bus *bus,
unsigned long type,
enum release_type rel_type)
static void pci_bus_release_bridge_resources(struct pci_bus *bus,
unsigned long type,
enum release_type rel_type)
{
struct pci_dev *dev;
bool is_leaf_bridge = true;

1
drivers/pci/setup-irq.c
View File

@ -10,7 +10,6 @@
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/pci.h>
#include <linux/errno.h>

1
drivers/pci/setup-res.c
View File

@ -16,7 +16,6 @@
* Resource sorting
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/pci.h>

10
include/linux/pci.h
View File

@ -680,8 +680,8 @@ struct pci_driver {
/**
* PCI_VDEVICE - macro used to describe a specific pci device in short form
* @vendor: the vendor name
* @device: the 16 bit PCI Device ID
* @vend: the vendor name
* @dev: the 16 bit PCI Device ID
*
* This macro is used to create a struct pci_device_id that matches a
* specific PCI device. The subvendor, and subdevice fields will be set
@ -689,9 +689,9 @@ struct pci_driver {
* private data.
*/
#define PCI_VDEVICE(vendor, device) \
PCI_VENDOR_ID_##vendor, (device), \
PCI_ANY_ID, PCI_ANY_ID, 0, 0
#define PCI_VDEVICE(vend, dev) \
.vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
/* these external functions are only available when PCI support is enabled */
#ifdef CONFIG_PCI

3
include/linux/pci_ids.h
View File

@ -1631,8 +1631,6 @@
#define PCI_DEVICE_ID_ATT_VENUS_MODEM 0x480
#define PCI_VENDOR_ID_SPECIALIX 0x11cb
#define PCI_DEVICE_ID_SPECIALIX_IO8 0x2000
#define PCI_DEVICE_ID_SPECIALIX_RIO 0x8000
#define PCI_SUBDEVICE_ID_SPECIALIX_SPEED4 0xa004
#define PCI_VENDOR_ID_ANALOG_DEVICES 0x11d4
@ -2874,7 +2872,6 @@
#define PCI_DEVICE_ID_SCALEMP_VSMP_CTL 0x1010
#define PCI_VENDOR_ID_COMPUTONE 0x8e0e
#define PCI_DEVICE_ID_COMPUTONE_IP2EX 0x0291
#define PCI_DEVICE_ID_COMPUTONE_PG 0x0302
#define PCI_SUBVENDOR_ID_COMPUTONE 0x8e0e
#define PCI_SUBDEVICE_ID_COMPUTONE_PG4 0x0001