diff options
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/bus.c | 10 | ||||
-rw-r--r-- | drivers/pci/dmar.c | 9 | ||||
-rw-r--r-- | drivers/pci/hotplug-pci.c | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/acpiphp_core.c | 6 | ||||
-rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/acpiphp_ibm.c | 33 | ||||
-rw-r--r-- | drivers/pci/hotplug/cpci_hotplug_pci.c | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/ibmphp_ebda.c | 1 | ||||
-rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 5 | ||||
-rw-r--r-- | drivers/pci/hotplug/pciehp_pci.c | 2 | ||||
-rw-r--r-- | drivers/pci/hotplug/shpchp_pci.c | 2 | ||||
-rw-r--r-- | drivers/pci/intel-iommu.c | 7 | ||||
-rw-r--r-- | drivers/pci/intel-iommu.h | 5 | ||||
-rw-r--r-- | drivers/pci/iova.c | 3 | ||||
-rw-r--r-- | drivers/pci/iova.h | 3 | ||||
-rw-r--r-- | drivers/pci/pci-acpi.c | 27 | ||||
-rw-r--r-- | drivers/pci/pci.c | 1 | ||||
-rw-r--r-- | drivers/pci/probe.c | 8 | ||||
-rw-r--r-- | drivers/pci/proc.c | 2 | ||||
-rw-r--r-- | drivers/pci/quirks.c | 110 | ||||
-rw-r--r-- | drivers/pci/rom.c | 3 | ||||
-rw-r--r-- | drivers/pci/setup-bus.c | 6 |
22 files changed, 155 insertions, 94 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index ef5a6a245f5..6a9403d79e0 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -145,13 +145,15 @@ void pci_bus_add_devices(struct pci_bus *bus) child_bus = dev->subordinate; child_bus->dev.parent = child_bus->bridge; 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, &dev_attr_cpuaffinity); if (retval) - dev_err(&dev->dev, "Error registering pci_bus" - " device bridge symlink," - " continuing...\n"); + dev_err(&dev->dev, "Error creating cpuaffinity" + " file, continuing...\n"); } } } diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 8ed26480371..f941f609dbf 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -14,11 +14,12 @@ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * - * Copyright (C) Ashok Raj <ashok.raj@intel.com> - * Copyright (C) Shaohua Li <shaohua.li@intel.com> - * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + * Copyright (C) 2006-2008 Intel Corporation + * Author: Ashok Raj <ashok.raj@intel.com> + * Author: Shaohua Li <shaohua.li@intel.com> + * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> * - * This file implements early detection/parsing of DMA Remapping Devices + * This file implements early detection/parsing of DMA Remapping Devices * reported to OS through BIOS via DMA remapping reporting (DMAR) ACPI * tables. */ diff --git a/drivers/pci/hotplug-pci.c b/drivers/pci/hotplug-pci.c index a590ef68215..4d4a6447840 100644 --- a/drivers/pci/hotplug-pci.c +++ b/drivers/pci/hotplug-pci.c @@ -4,7 +4,7 @@ #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; diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index c8c263875c2..9279d5ba62e 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -392,6 +392,9 @@ static int __init acpiphp_init(void) { info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); + if (acpi_pci_disabled) + return 0; + acpiphp_debug = debug; /* read all the ACPI info from the system */ @@ -401,6 +404,9 @@ static int __init acpiphp_init(void) static void __exit acpiphp_exit(void) { + if (acpi_pci_disabled) + return; + /* deallocate internal data structures etc. */ acpiphp_glue_exit(); } diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index cf22f9e01e0..5e50008d118 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -1085,7 +1085,7 @@ static int acpiphp_bus_trim(acpi_handle handle) * This function should be called per *physical slot*, * 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_bus *bus = slot->bridge->pci_bus; diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c index 750ebd7a4c1..b0a22b92717 100644 --- a/drivers/pci/hotplug/acpiphp_ibm.c +++ b/drivers/pci/hotplug/acpiphp_ibm.c @@ -395,33 +395,34 @@ static acpi_status __init ibm_find_acpi_device(acpi_handle handle, { acpi_handle *phandle = (acpi_handle *)context; acpi_status status; - struct acpi_device_info info; - struct acpi_buffer info_buffer = { - .length = sizeof(struct acpi_device_info), - .pointer = &info, - }; + struct acpi_device_info *info; + struct acpi_buffer info_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + int retval = 0; status = acpi_get_object_info(handle, &info_buffer); if (ACPI_FAILURE(status)) { - err("%s: Failed to get device information\n", __FUNCTION__); - return 0; + err("%s: Failed to get device information status=0x%x\n", + __FUNCTION__, status); + return retval; } - info.hardware_id.value[sizeof(info.hardware_id.value) - 1] = '\0'; - - if (info.current_status && (info.valid & ACPI_VALID_HID) && - (!strcmp(info.hardware_id.value, IBM_HARDWARE_ID1) || - !strcmp(info.hardware_id.value, IBM_HARDWARE_ID2))) { - dbg("found hardware: %s, handle: %p\n", info.hardware_id.value, - handle); + info = info_buffer.pointer; + info->hardware_id.value[sizeof(info->hardware_id.value) - 1] = '\0'; + + if (info->current_status && (info->valid & ACPI_VALID_HID) && + (!strcmp(info->hardware_id.value, IBM_HARDWARE_ID1) || + !strcmp(info->hardware_id.value, IBM_HARDWARE_ID2))) { + dbg("found hardware: %s, handle: %p\n", + info->hardware_id.value, handle); *phandle = handle; /* returning non-zero causes the search to stop * and returns this value to the caller of * acpi_walk_namespace, but it also causes some warnings * in the acpi debug code to print... */ - return FOUND_APCI; + retval = FOUND_APCI; } - return 0; + kfree(info); + return retval; } static int __init ibm_acpiphp_init(void) diff --git a/drivers/pci/hotplug/cpci_hotplug_pci.c b/drivers/pci/hotplug/cpci_hotplug_pci.c index 5e9be44817c..b3515fc4cd3 100644 --- a/drivers/pci/hotplug/cpci_hotplug_pci.c +++ b/drivers/pci/hotplug/cpci_hotplug_pci.c @@ -250,7 +250,7 @@ int cpci_led_off(struct slot* slot) * Device configuration functions */ -int cpci_configure_slot(struct slot* slot) +int __ref cpci_configure_slot(struct slot *slot) { struct pci_bus *parent; int fn; diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c index 600ed7b67ae..bbccde9f228 100644 --- a/drivers/pci/hotplug/ibmphp_ebda.c +++ b/drivers/pci/hotplug/ibmphp_ebda.c @@ -963,6 +963,7 @@ static int __init ebda_rsrc_controller (void) bus_info_ptr1 = ibmphp_find_same_bus_num (hpc_ptr->slots[index].slot_bus_num); if (!bus_info_ptr1) { + kfree(tmp_slot); rc = -ENODEV; goto error; } diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 6eba9b2cfb9..698975a6a21 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -711,7 +711,8 @@ static int hpc_power_off_slot(struct slot * slot) retval = pcie_write_cmd(slot, slot_cmd, cmd_mask); if (retval) { err("%s: Write command failed!\n", __FUNCTION__); - return -1; + retval = -1; + goto out; } dbg("%s: SLOTCTRL %x write cmd %x\n", __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. */ msleep(1000); - + out: if (changed) pcie_unmask_bad_dllp(ctrl); diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c index dd50713966d..9372a840b63 100644 --- a/drivers/pci/hotplug/pciehp_pci.c +++ b/drivers/pci/hotplug/pciehp_pci.c @@ -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; int pass, busnr, start = parent->secondary; diff --git a/drivers/pci/hotplug/shpchp_pci.c b/drivers/pci/hotplug/shpchp_pci.c index 0a6b25ef194..a69a2152089 100644 --- a/drivers/pci/hotplug/shpchp_pci.c +++ b/drivers/pci/hotplug/shpchp_pci.c @@ -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_bus *parent = p_slot->ctrl->pci_dev->subordinate; diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c index a4c3089f892..977d29b3229 100644 --- a/drivers/pci/intel-iommu.c +++ b/drivers/pci/intel-iommu.c @@ -14,9 +14,10 @@ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * - * Copyright (C) Ashok Raj <ashok.raj@intel.com> - * Copyright (C) Shaohua Li <shaohua.li@intel.com> - * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + * Copyright (C) 2006-2008 Intel Corporation + * Author: Ashok Raj <ashok.raj@intel.com> + * Author: Shaohua Li <shaohua.li@intel.com> + * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> */ #include <linux/init.h> diff --git a/drivers/pci/intel-iommu.h b/drivers/pci/intel-iommu.h index 07f5f6353bd..afc0ad96122 100644 --- a/drivers/pci/intel-iommu.h +++ b/drivers/pci/intel-iommu.h @@ -14,8 +14,9 @@ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. * - * Copyright (C) Ashok Raj <ashok.raj@intel.com> - * Copyright (C) Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + * Copyright (C) 2006-2008 Intel Corporation + * Author: Ashok Raj <ashok.raj@intel.com> + * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> */ #ifndef _INTEL_IOMMU_H_ diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c index 8de7ab6c6d0..dbcdd6bfa63 100644 --- a/drivers/pci/iova.c +++ b/drivers/pci/iova.c @@ -3,7 +3,8 @@ * * This file is released under the GPLv2. * - * Copyright (C) 2006 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + * Copyright (C) 2006-2008 Intel Corporation + * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> */ #include "iova.h" diff --git a/drivers/pci/iova.h b/drivers/pci/iova.h index d521b5b7319..228f6c94b69 100644 --- a/drivers/pci/iova.h +++ b/drivers/pci/iova.h @@ -3,7 +3,8 @@ * * This file is released under the GPLv2. * - * Copyright (C) 2006 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> + * Copyright (C) 2006-2008 Intel Corporation + * Author: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> * */ diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index e569645d59e..72f7476930c 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -158,6 +158,7 @@ run_osc_out: /** * __pci_osc_support_set - register OS support to Firmware * @flags: OS support bits + * @hid: hardware ID * * Update OS support fields and doing a _OSC Query to obtain an update * from Firmware on supported control bits. @@ -241,8 +242,6 @@ EXPORT_SYMBOL(pci_osc_control_set); * choose from highest power _SxD to lowest power _SxW * else // no _PRW at S-state x * choose highest power _SxD or any lower power - * - * currently we simply return _SxD, if present. */ static pci_power_t acpi_pci_choose_state(struct pci_dev *pdev, @@ -273,21 +272,29 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state) { acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev); acpi_handle tmp; - static int state_conv[] = { - [0] = 0, - [1] = 1, - [2] = 2, - [3] = 3, - [4] = 3 + static const u8 state_conv[] = { + [PCI_D0] = ACPI_STATE_D0, + [PCI_D1] = ACPI_STATE_D1, + [PCI_D2] = ACPI_STATE_D2, + [PCI_D3hot] = ACPI_STATE_D3, + [PCI_D3cold] = ACPI_STATE_D3 }; - int acpi_state = state_conv[(int __force) state]; if (!handle) return -ENODEV; /* If the ACPI device has _EJ0, ignore the device */ if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp))) return 0; - return acpi_bus_set_power(handle, acpi_state); + + switch (state) { + case PCI_D0: + case PCI_D1: + case PCI_D2: + case PCI_D3hot: + case PCI_D3cold: + return acpi_bus_set_power(handle, state_conv[state]); + } + return -EINVAL; } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index ae3df46eaab..183fddaa38b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -554,6 +554,7 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state) case PM_EVENT_PRETHAW: /* REVISIT both freeze and pre-thaw "should" use D0 */ case PM_EVENT_SUSPEND: + case PM_EVENT_HIBERNATE: return PCI_D3hot; default: printk("Unrecognized suspend event %d\n", state.event); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 4d23b9fb551..2db2e4bb0d1 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -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; 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 * 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; 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; } -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; struct pci_dev *dev; @@ -1116,7 +1116,7 @@ err_out: 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) { struct pci_bus *b; diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index 68aeeb7206d..ef18fcd641e 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -422,7 +422,7 @@ int pci_proc_detach_device(struct pci_dev *dev) struct proc_dir_entry *e; if ((e = dev->procent)) { - if (atomic_read(&e->count)) + if (atomic_read(&e->count) > 1) return -EBUSY; remove_proc_entry(e->name, dev->bus->procdir); dev->procent = NULL; diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0a953d43b9a..e9a333d9855 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -867,13 +867,13 @@ static void quirk_disable_pxb(struct pci_dev *pdev) DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb); DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, quirk_disable_pxb); - -static void __devinit quirk_sb600_sata(struct pci_dev *pdev) +static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev) { - /* set sb600 sata to ahci mode */ - if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) { - u8 tmp; + /* set sb600/sb700/sb800 sata to ahci mode */ + u8 tmp; + pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp); + if (tmp == 0x01) { pci_read_config_byte(pdev, 0x40, &tmp); pci_write_config_byte(pdev, 0x40, tmp|1); pci_write_config_byte(pdev, 0x9, 1); @@ -881,10 +881,13 @@ static void __devinit quirk_sb600_sata(struct pci_dev *pdev) pci_write_config_byte(pdev, 0x40, tmp); pdev->class = PCI_CLASS_STORAGE_SATA_AHCI; + dev_info(&pdev->dev, "set SATA to AHCI mode\n"); } } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_sb600_sata); -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_sb600_sata); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); +DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode); /* * Serverworks CSB5 IDE does not fully support native mode @@ -1649,9 +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, 0x77, 0x0); - printk(KERN_INFO - "PCI: VIA CX700 PCI parking/caching fixup on %s\n", - pci_name(dev)); + dev_info(&dev->dev, + "Disabling VIA CX700 PCI parking/caching\n"); } } } @@ -1723,10 +1725,34 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT2 quirk_msi_ht_cap); -/* - * Force enable MSI mapping capability on HT bridges +/* The nVidia CK804 chipset may have 2 HT MSI mappings. + * MSI are supported if the MSI capability set in any of these mappings. */ -static void __devinit quirk_msi_ht_cap_enable(struct pci_dev *dev) +static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev) +{ + struct pci_dev *pdev; + + if (!dev->subordinate) + return; + + /* check HT MSI cap on this chipset and the root one. + * a single one having MSI is enough to be sure that MSI are supported. + */ + pdev = pci_get_slot(dev->bus, 0); + if (!pdev) + return; + if (!msi_ht_cap_enabled(dev) && !msi_ht_cap_enabled(pdev)) { + dev_warn(&dev->dev, "MSI quirk detected; " + "subordinate MSI disabled\n"); + dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; + } + pci_dev_put(pdev); +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE, + quirk_nvidia_ck804_msi_ht_cap); + +/* Force enable MSI mapping capability on HT bridges */ +static void __devinit ht_enable_msi_mapping(struct pci_dev *dev) { int pos, ttl = 48; @@ -1734,9 +1760,9 @@ static void __devinit quirk_msi_ht_cap_enable(struct pci_dev *dev) 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)); + if (pci_read_config_byte(dev, pos + HT_MSI_FLAGS, + &flags) == 0) { + dev_info(&dev->dev, "Enabling HT MSI Mapping\n"); pci_write_config_byte(dev, pos + HT_MSI_FLAGS, flags | HT_MSI_FLAGS_ENABLE); @@ -1747,33 +1773,47 @@ static void __devinit quirk_msi_ht_cap_enable(struct pci_dev *dev) } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB, - quirk_msi_ht_cap_enable); + ht_enable_msi_mapping); -/* The nVidia CK804 chipset may have 2 HT MSI mappings. - * MSI are supported if the MSI capability set in any of these mappings. - */ -static void __devinit quirk_nvidia_ck804_msi_ht_cap(struct pci_dev *dev) +static void __devinit nv_msi_ht_cap_quirk(struct pci_dev *dev) { - struct pci_dev *pdev; + struct pci_dev *host_bridge; + int pos, ttl = 48; - if (!dev->subordinate) + /* + * HT MSI mapping should be disabled on devices that are below + * a non-Hypertransport host bridge. Locate the host bridge... + */ + host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)); + if (host_bridge == NULL) { + dev_warn(&dev->dev, + "nv_msi_ht_cap_quirk didn't locate host bridge\n"); return; + } - /* check HT MSI cap on this chipset and the root one. - * a single one having MSI is enough to be sure that MSI are supported. - */ - pdev = pci_get_slot(dev->bus, 0); - if (!pdev) + pos = pci_find_ht_capability(host_bridge, HT_CAPTYPE_SLAVE); + if (pos != 0) { + /* Host bridge is to HT */ + ht_enable_msi_mapping(dev); return; - if (!msi_ht_cap_enabled(dev) && !msi_ht_cap_enabled(pdev)) { - dev_warn(&dev->dev, "MSI quirk detected; " - "subordinate MSI disabled\n"); - dev->subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; } - pci_dev_put(pdev); + + /* Host bridge is not to HT, disable HT MSI mapping on this device */ + 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) { + dev_info(&dev->dev, "Disabling HT MSI mapping"); + 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_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_CK804_PCIE, - quirk_nvidia_ck804_msi_ht_cap); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, nv_msi_ht_cap_quirk); static void __devinit quirk_msi_intx_disable_bug(struct pci_dev *dev) { diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index a98b2470b9e..bd5c0e03139 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c @@ -242,8 +242,7 @@ void pci_remove_rom(struct pci_dev *pdev) #endif /* 0 */ /** - * pci_cleanup_rom - internal routine for freeing the ROM copy created - * by pci_map_rom_copy called from remove.c + * pci_cleanup_rom - free the ROM copy created by pci_map_rom_copy * @pdev: pointer to pci device struct * * Free the copied ROM if we allocated one. diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 262b0439abe..125e7b7f34f 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -206,10 +206,8 @@ pci_setup_bridge(struct pci_bus *bus) if (bus->resource[2]->flags & IORESOURCE_PREFETCH) { l = (region.start >> 16) & 0xfff0; l |= region.end & 0xfff00000; -#ifdef CONFIG_RESOURCES_64BIT - bu = region.start >> 32; - lu = region.end >> 32; -#endif + bu = upper_32_bits(region.start); + lu = upper_32_bits(region.end); DBG(KERN_INFO " PREFETCH window: 0x%016llx-0x%016llx\n", (unsigned long long)region.start, (unsigned long long)region.end); |