diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/msi.c | 5 | ||||
| -rw-r--r-- | drivers/pci/pci.c | 3 | ||||
| -rw-r--r-- | drivers/pci/probe.c | 54 | ||||
| -rw-r--r-- | drivers/pci/quirks.c | 7 |
4 files changed, 48 insertions, 21 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 18354817173..4a10b5624f7 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -308,9 +308,8 @@ static void __pci_restore_msi_state(struct pci_dev *dev) entry->msi_attrib.masked); pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &control); - control &= ~(PCI_MSI_FLAGS_QSIZE | PCI_MSI_FLAGS_ENABLE); - if (entry->msi_attrib.maskbit || !entry->msi_attrib.masked) - control |= PCI_MSI_FLAGS_ENABLE; + control &= ~PCI_MSI_FLAGS_QSIZE; + control |= PCI_MSI_FLAGS_ENABLE; pci_write_config_word(dev, pos + PCI_MSI_FLAGS, control); } diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 0a3d856833f..c9884bba22d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1060,7 +1060,7 @@ bool pci_pme_capable(struct pci_dev *dev, pci_power_t state) * The caller must verify that the device is capable of generating PME# before * calling this function with @enable equal to 'true'. */ -static void pci_pme_active(struct pci_dev *dev, bool enable) +void pci_pme_active(struct pci_dev *dev, bool enable) { u16 pmcsr; @@ -1941,6 +1941,7 @@ EXPORT_SYMBOL(pci_set_power_state); EXPORT_SYMBOL(pci_save_state); EXPORT_SYMBOL(pci_restore_state); EXPORT_SYMBOL(pci_pme_capable); +EXPORT_SYMBOL(pci_pme_active); EXPORT_SYMBOL(pci_enable_wake); EXPORT_SYMBOL(pci_target_state); EXPORT_SYMBOL(pci_prepare_to_sleep); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 7098dfb0744..a04498d390c 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -52,27 +52,49 @@ EXPORT_SYMBOL(no_pci_devices); * Some platforms allow access to legacy I/O port and ISA memory space on * a per-bus basis. This routine creates the files and ties them into * their associated read, write and mmap files from pci-sysfs.c + * + * On error unwind, but don't propogate the error to the caller + * as it is ok to set up the PCI bus without these files. */ static void pci_create_legacy_files(struct pci_bus *b) { + int error; + b->legacy_io = kzalloc(sizeof(struct bin_attribute) * 2, GFP_ATOMIC); - if (b->legacy_io) { - b->legacy_io->attr.name = "legacy_io"; - b->legacy_io->size = 0xffff; - b->legacy_io->attr.mode = S_IRUSR | S_IWUSR; - b->legacy_io->read = pci_read_legacy_io; - b->legacy_io->write = pci_write_legacy_io; - device_create_bin_file(&b->dev, b->legacy_io); - - /* Allocated above after the legacy_io struct */ - b->legacy_mem = b->legacy_io + 1; - b->legacy_mem->attr.name = "legacy_mem"; - b->legacy_mem->size = 1024*1024; - b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR; - b->legacy_mem->mmap = pci_mmap_legacy_mem; - device_create_bin_file(&b->dev, b->legacy_mem); - } + if (!b->legacy_io) + goto kzalloc_err; + + b->legacy_io->attr.name = "legacy_io"; + b->legacy_io->size = 0xffff; + b->legacy_io->attr.mode = S_IRUSR | S_IWUSR; + b->legacy_io->read = pci_read_legacy_io; + b->legacy_io->write = pci_write_legacy_io; + error = device_create_bin_file(&b->dev, b->legacy_io); + if (error) + goto legacy_io_err; + + /* Allocated above after the legacy_io struct */ + b->legacy_mem = b->legacy_io + 1; + b->legacy_mem->attr.name = "legacy_mem"; + b->legacy_mem->size = 1024*1024; + b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR; + b->legacy_mem->mmap = pci_mmap_legacy_mem; + error = device_create_bin_file(&b->dev, b->legacy_mem); + if (error) + goto legacy_mem_err; + + return; + +legacy_mem_err: + device_remove_bin_file(&b->dev, b->legacy_io); +legacy_io_err: + kfree(b->legacy_io); + b->legacy_io = NULL; +kzalloc_err: + printk(KERN_WARNING "pci: warning: could not create legacy I/O port " + "and ISA memory resources to sysfs\n"); + return; } void pci_remove_legacy_files(struct pci_bus *b) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0fb36507428..9236e7f869c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -1756,9 +1756,14 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_VIA, 0x324e, quirk_via_cx700_pci_parking_c */ static void __devinit quirk_brcm_570x_limit_vpd(struct pci_dev *dev) { - /* Only disable the VPD capability for 5706, 5708, and 5709 rev. A */ + /* + * Only disable the VPD capability for 5706, 5706S, 5708, + * 5708S and 5709 rev. A + */ if ((dev->device == PCI_DEVICE_ID_NX2_5706) || + (dev->device == PCI_DEVICE_ID_NX2_5706S) || (dev->device == PCI_DEVICE_ID_NX2_5708) || + (dev->device == PCI_DEVICE_ID_NX2_5708S) || ((dev->device == PCI_DEVICE_ID_NX2_5709) && (dev->revision & 0xf0) == 0x0)) { if (dev->vpd) |