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Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6:
  pci: hotplug: pciehp: fix error code path in hpc_power_off_slot
  PCI: Add DECLARE_PCI_DEVICE_TABLE macro
  PCI: fix up error messages for pci_bus registering
  PCI: fix section mismatch warning in pci_scan_child_bus
  PCI: consolidate duplicated MSI enable functions
  PCI: use dev_printk in quirk messages
This commit is contained in:
Linus Torvalds 2008-03-04 16:37:10 -08:00
commit 12f981f902
11 changed files with 40 additions and 50 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
Documentation/pci.txt
View file

@ -123,7 +123,8 @@ initialization with a pointer to a structure describing the driver
The ID table is an array of struct pci_device_id entries ending with an The ID table is an array of struct pci_device_id entries ending with an
all-zero entry. Each entry consists of: all-zero entry; use of the macro DECLARE_PCI_DEVICE_TABLE is the preferred
method of declaring the table. Each entry consists of:
vendor,device Vendor and device ID to match (or PCI_ANY_ID) vendor,device Vendor and device ID to match (or PCI_ANY_ID)
@ -191,7 +192,8 @@ Tips on when/where to use the above attributes:
o Do not mark the struct pci_driver. o Do not mark the struct pci_driver.
o The ID table array should be marked __devinitdata. o The ID table array should be marked __devinitconst; this is done
automatically if the table is declared with DECLARE_PCI_DEVICE_TABLE().
o The probe() and remove() functions should be marked __devinit o The probe() and remove() functions should be marked __devinit
and __devexit respectively. All initialization functions and __devexit respectively. All initialization functions

10
drivers/pci/bus.c
View file

@ -145,13 +145,15 @@ void pci_bus_add_devices(struct pci_bus *bus)
child_bus = dev->subordinate; child_bus = dev->subordinate;
child_bus->dev.parent = child_bus->bridge; child_bus->dev.parent = child_bus->bridge;
retval = device_register(&child_bus->dev); retval = device_register(&child_bus->dev);
if (!retval) if (retval)
dev_err(&dev->dev, "Error registering pci_bus,"
" continuing...\n");
else
retval = device_create_file(&child_bus->dev, retval = device_create_file(&child_bus->dev,
&dev_attr_cpuaffinity); &dev_attr_cpuaffinity);
if (retval) if (retval)
dev_err(&dev->dev, "Error registering pci_bus" dev_err(&dev->dev, "Error creating cpuaffinity"
" device bridge symlink," " file, continuing...\n");
" continuing...\n");
} }
} }
} }

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

@ -4,7 +4,7 @@
#include "pci.h" #include "pci.h"
unsigned int pci_do_scan_bus(struct pci_bus *bus) unsigned int __devinit pci_do_scan_bus(struct pci_bus *bus)
{ {
unsigned int max; unsigned int max;

2
drivers/pci/hotplug/acpiphp_glue.c
View file

@ -1085,7 +1085,7 @@ static int acpiphp_bus_trim(acpi_handle handle)
* This function should be called per *physical slot*, * This function should be called per *physical slot*,
* not per each slot object in ACPI namespace. * not per each slot object in ACPI namespace.
*/ */
static int enable_device(struct acpiphp_slot *slot) static int __ref enable_device(struct acpiphp_slot *slot)
{ {
struct pci_dev *dev; struct pci_dev *dev;
struct pci_bus *bus = slot->bridge->pci_bus; struct pci_bus *bus = slot->bridge->pci_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 * Device configuration functions
*/ */
int cpci_configure_slot(struct slot* slot) int __ref cpci_configure_slot(struct slot *slot)
{ {
struct pci_bus *parent; struct pci_bus *parent;
int fn; int fn;

5
drivers/pci/hotplug/pciehp_hpc.c
View file

@ -711,7 +711,8 @@ static int hpc_power_off_slot(struct slot * slot)
retval = pcie_write_cmd(slot, slot_cmd, cmd_mask); retval = pcie_write_cmd(slot, slot_cmd, cmd_mask);
if (retval) { if (retval) {
err("%s: Write command failed!\n", __FUNCTION__); err("%s: Write command failed!\n", __FUNCTION__);
return -1; retval = -1;
goto out;
} }
dbg("%s: SLOTCTRL %x write cmd %x\n", dbg("%s: SLOTCTRL %x write cmd %x\n",
__FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd); __FUNCTION__, ctrl->cap_base + SLOTCTRL, slot_cmd);
@ -722,7 +723,7 @@ static int hpc_power_off_slot(struct slot * slot)
* removed from the slot/adapter. * removed from the slot/adapter.
*/ */
msleep(1000); msleep(1000);
out:
if (changed) if (changed)
pcie_unmask_bad_dllp(ctrl); pcie_unmask_bad_dllp(ctrl);

2
drivers/pci/hotplug/pciehp_pci.c
View file

@ -167,7 +167,7 @@ static void program_fw_provided_values(struct pci_dev *dev)
} }
} }
static int pciehp_add_bridge(struct pci_dev *dev) static int __ref pciehp_add_bridge(struct pci_dev *dev)
{ {
struct pci_bus *parent = dev->bus; struct pci_bus *parent = dev->bus;
int pass, busnr, start = parent->secondary; int pass, busnr, start = parent->secondary;

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

@ -96,7 +96,7 @@ static void program_fw_provided_values(struct pci_dev *dev)
} }
} }
int shpchp_configure_device(struct slot *p_slot) int __ref shpchp_configure_device(struct slot *p_slot)
{ {
struct pci_dev *dev; struct pci_dev *dev;
struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate; struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate;

8
drivers/pci/probe.c
View file

@ -286,7 +286,7 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom)
} }
} }
void pci_read_bridge_bases(struct pci_bus *child) void __devinit pci_read_bridge_bases(struct pci_bus *child)
{ {
struct pci_dev *dev = child->self; struct pci_dev *dev = child->self;
u8 io_base_lo, io_limit_lo; u8 io_base_lo, io_limit_lo;
@ -472,7 +472,7 @@ static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max)
* them, we proceed to assigning numbers to the remaining buses in * them, we proceed to assigning numbers to the remaining buses in
* order to avoid overlaps between old and new bus numbers. * order to avoid overlaps between old and new bus numbers.
*/ */
int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass) int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, int pass)
{ {
struct pci_bus *child; struct pci_bus *child;
int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS); int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS);
@ -1008,7 +1008,7 @@ int pci_scan_slot(struct pci_bus *bus, int devfn)
return nr; return nr;
} }
unsigned int pci_scan_child_bus(struct pci_bus *bus) unsigned int __devinit pci_scan_child_bus(struct pci_bus *bus)
{ {
unsigned int devfn, pass, max = bus->secondary; unsigned int devfn, pass, max = bus->secondary;
struct pci_dev *dev; struct pci_dev *dev;
@ -1116,7 +1116,7 @@ err_out:
return NULL; return NULL;
} }
struct pci_bus *pci_scan_bus_parented(struct device *parent, struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent,
int bus, struct pci_ops *ops, void *sysdata) int bus, struct pci_ops *ops, void *sysdata)
{ {
struct pci_bus *b; struct pci_bus *b;

41
drivers/pci/quirks.c
View file

@ -1652,9 +1652,8 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
pci_write_config_byte(dev, 0x75, 0x1); pci_write_config_byte(dev, 0x75, 0x1);
pci_write_config_byte(dev, 0x77, 0x0); pci_write_config_byte(dev, 0x77, 0x0);
printk(KERN_INFO dev_info(&dev->dev,
"PCI: VIA CX700 PCI parking/caching fixup on %s\n", "Disabling VIA CX700 PCI parking/caching\n");
pci_name(dev));
} }
} }
} }
@ -1726,32 +1725,6 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT2
quirk_msi_ht_cap); quirk_msi_ht_cap);
/*
* Force enable MSI mapping capability on HT bridges
*/
static void __devinit quirk_msi_ht_cap_enable(struct pci_dev *dev)
{
int pos, ttl = 48;
pos = pci_find_ht_capability(dev, HT_CAPTYPE_MSI_MAPPING);
while (pos && ttl--) {
u8 flags;
if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS, &flags) == 0) {
printk(KERN_INFO "PCI: Enabling HT MSI Mapping on %s\n",
pci_name(dev));
pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
flags | HT_MSI_FLAGS_ENABLE);
}
pos = pci_find_next_ht_capability(dev, pos,
HT_CAPTYPE_MSI_MAPPING);
}
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB,
quirk_msi_ht_cap_enable);
/* The nVidia CK804 chipset may have 2 HT MSI mappings. /* The nVidia CK804 chipset may have 2 HT MSI mappings.
* MSI are supported if the MSI capability set in any of these mappings. * MSI are supported if the MSI capability set in any of these mappings.
*/ */
@ -1778,9 +1751,8 @@ static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev)
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE, DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE,
quirk_nvidia_ck804_msi_ht_cap); quirk_nvidia_ck804_msi_ht_cap);
/* /* Force enable MSI mapping capability on HT bridges */
* Force enable MSI mapping capability on HT bridges */ static void __devinit ht_enable_msi_mapping(struct pci_dev *dev)
static inline void ht_enable_msi_mapping(struct pci_dev *dev)
{ {
int pos, ttl = 48; int pos, ttl = 48;
@ -1799,6 +1771,9 @@ static inline void ht_enable_msi_mapping(struct pci_dev *dev)
HT_CAPTYPE_MSI_MAPPING); HT_CAPTYPE_MSI_MAPPING);
} }
} }
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS,
PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB,
ht_enable_msi_mapping);
static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev) static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
{ {
@ -1830,7 +1805,7 @@ static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev)
if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS, if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS,
&flags) == 0) { &flags) == 0) {
dev_info(&dev->dev, "Quirk disabling HT MSI mapping"); dev_info(&dev->dev, "Disabling HT MSI mapping");
pci_write_config_byte(dev, pos + HT_MSI_FLAGS, pci_write_config_byte(dev, pos + HT_MSI_FLAGS,
flags & ~HT_MSI_FLAGS_ENABLE); flags & ~HT_MSI_FLAGS_ENABLE);
} }

10
include/linux/pci.h
View file

@ -388,6 +388,16 @@ struct pci_driver {
#define to_pci_driver(drv) container_of(drv, struct pci_driver, driver) #define to_pci_driver(drv) container_of(drv, struct pci_driver, driver)
/**
* DECLARE_PCI_DEVICE_TABLE - macro used to describe a pci device table
* @_table: device table name
*
* This macro is used to create a struct pci_device_id array (a device table)
* in a generic manner.
*/
#define DECLARE_PCI_DEVICE_TABLE(_table) \
const struct pci_device_id _table[] __devinitconst
/** /**
* PCI_DEVICE - macro used to describe a specific pci device * PCI_DEVICE - macro used to describe a specific pci device
* @vend: the 16 bit PCI Vendor ID * @vend: the 16 bit PCI Vendor ID