diff options
author | Yijing Wang <wangyijing@huawei.com> | 2012-07-24 17:20:03 +0800 |
---|---|---|
committer | Bjorn Helgaas <bhelgaas@google.com> | 2012-08-23 09:40:57 -0600 |
commit | 62f87c0e31d646d5501edf4f7feb07d0ad689d80 (patch) | |
tree | f2aa208c10f6cf8b91634f91efda44efc6f4c25f /drivers/pci/pcie | |
parent | 786e22885d9959fda0473ace5a61cb11620fba9b (diff) | |
download | op-kernel-dev-62f87c0e31d646d5501edf4f7feb07d0ad689d80.zip op-kernel-dev-62f87c0e31d646d5501edf4f7feb07d0ad689d80.tar.gz |
PCI: Introduce pci_pcie_type(dev) to replace pci_dev->pcie_type
Introduce an inline function pci_pcie_type(dev) to extract PCIe
device type from pci_dev->pcie_flags_reg field, and prepare for
removing pci_dev->pcie_type.
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/pcie')
-rw-r--r-- | drivers/pci/pcie/aer/aer_inject.c | 2 | ||||
-rw-r--r-- | drivers/pci/pcie/aer/aerdrv.c | 7 | ||||
-rw-r--r-- | drivers/pci/pcie/aer/aerdrv_acpi.c | 2 | ||||
-rw-r--r-- | drivers/pci/pcie/aer/aerdrv_core.c | 2 | ||||
-rw-r--r-- | drivers/pci/pcie/aspm.c | 42 | ||||
-rw-r--r-- | drivers/pci/pcie/pme.c | 6 | ||||
-rw-r--r-- | drivers/pci/pcie/portdrv_bus.c | 2 | ||||
-rw-r--r-- | drivers/pci/pcie/portdrv_core.c | 4 | ||||
-rw-r--r-- | drivers/pci/pcie/portdrv_pci.c | 8 |
9 files changed, 38 insertions, 37 deletions
diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c index 5222986..4e24cb8 100644 --- a/drivers/pci/pcie/aer/aer_inject.c +++ b/drivers/pci/pcie/aer/aer_inject.c @@ -288,7 +288,7 @@ static struct pci_dev *pcie_find_root_port(struct pci_dev *dev) while (1) { if (!pci_is_pcie(dev)) break; - if (dev->pcie_type == PCI_EXP_TYPE_ROOT_PORT) + if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) return dev; if (!dev->bus->self) break; diff --git a/drivers/pci/pcie/aer/aerdrv.c b/drivers/pci/pcie/aer/aerdrv.c index 58ad791..f7c6245 100644 --- a/drivers/pci/pcie/aer/aerdrv.c +++ b/drivers/pci/pcie/aer/aerdrv.c @@ -81,10 +81,11 @@ bool pci_aer_available(void) static int set_device_error_reporting(struct pci_dev *dev, void *data) { bool enable = *((bool *)data); + int type = pci_pcie_type(dev); - if ((dev->pcie_type == PCI_EXP_TYPE_ROOT_PORT) || - (dev->pcie_type == PCI_EXP_TYPE_UPSTREAM) || - (dev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM)) { + if ((type == PCI_EXP_TYPE_ROOT_PORT) || + (type == PCI_EXP_TYPE_UPSTREAM) || + (type == PCI_EXP_TYPE_DOWNSTREAM)) { if (enable) pci_enable_pcie_error_reporting(dev); else diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c index 124f20f..5194a7d 100644 --- a/drivers/pci/pcie/aer/aerdrv_acpi.c +++ b/drivers/pci/pcie/aer/aerdrv_acpi.c @@ -60,7 +60,7 @@ static int aer_hest_parse(struct acpi_hest_header *hest_hdr, void *data) p = (struct acpi_hest_aer_common *)(hest_hdr + 1); if (p->flags & ACPI_HEST_GLOBAL) { if ((pci_is_pcie(info->pci_dev) && - info->pci_dev->pcie_type == pcie_type) || bridge) + pci_pcie_type(info->pci_dev) == pcie_type) || bridge) ff = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST); } else if (hest_match_pci(p, info->pci_dev)) diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 0ca0535..f551534 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -465,7 +465,7 @@ static pci_ers_result_t reset_link(struct pci_dev *dev) if (driver && driver->reset_link) { status = driver->reset_link(udev); - } else if (udev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) { + } else if (pci_pcie_type(udev) == PCI_EXP_TYPE_DOWNSTREAM) { status = default_downstream_reset_link(udev); } else { dev_printk(KERN_DEBUG, &dev->dev, diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index b500840..2591603 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -412,7 +412,7 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist) * do ASPM for now. */ list_for_each_entry(child, &linkbus->devices, bus_list) { - if (child->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { + if (pci_pcie_type(child) == PCI_EXP_TYPE_PCI_BRIDGE) { link->aspm_disable = ASPM_STATE_ALL; break; } @@ -425,8 +425,8 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist) struct aspm_latency *acceptable = &link->acceptable[PCI_FUNC(child->devfn)]; - if (child->pcie_type != PCI_EXP_TYPE_ENDPOINT && - child->pcie_type != PCI_EXP_TYPE_LEG_END) + if (pci_pcie_type(child) != PCI_EXP_TYPE_ENDPOINT && + pci_pcie_type(child) != PCI_EXP_TYPE_LEG_END) continue; pos = pci_pcie_cap(child); @@ -552,7 +552,7 @@ static struct pcie_link_state *alloc_pcie_link_state(struct pci_dev *pdev) INIT_LIST_HEAD(&link->children); INIT_LIST_HEAD(&link->link); link->pdev = pdev; - if (pdev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) { + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_DOWNSTREAM) { struct pcie_link_state *parent; parent = pdev->bus->parent->self->link_state; if (!parent) { @@ -585,12 +585,12 @@ void pcie_aspm_init_link_state(struct pci_dev *pdev) 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) + if (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT && + pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM) return; /* VIA has a strange chipset, root port is under a bridge */ - if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT && + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT && pdev->bus->self) return; @@ -647,8 +647,8 @@ static void pcie_update_aspm_capable(struct pcie_link_state *root) if (link->root != root) continue; list_for_each_entry(child, &linkbus->devices, bus_list) { - if ((child->pcie_type != PCI_EXP_TYPE_ENDPOINT) && - (child->pcie_type != PCI_EXP_TYPE_LEG_END)) + if ((pci_pcie_type(child) != PCI_EXP_TYPE_ENDPOINT) && + (pci_pcie_type(child) != PCI_EXP_TYPE_LEG_END)) continue; pcie_aspm_check_latency(child); } @@ -663,8 +663,8 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev) if (!pci_is_pcie(pdev) || !parent || !parent->link_state) return; - if ((parent->pcie_type != PCI_EXP_TYPE_ROOT_PORT) && - (parent->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)) + if ((pci_pcie_type(parent) != PCI_EXP_TYPE_ROOT_PORT) && + (pci_pcie_type(parent) != PCI_EXP_TYPE_DOWNSTREAM)) return; down_read(&pci_bus_sem); @@ -704,8 +704,8 @@ void pcie_aspm_pm_state_change(struct pci_dev *pdev) if (aspm_disabled || !pci_is_pcie(pdev) || !link) return; - if ((pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT) && - (pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)) + if ((pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT) && + (pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM)) return; /* * Devices changed PM state, we should recheck if latency @@ -729,8 +729,8 @@ void pcie_aspm_powersave_config_link(struct pci_dev *pdev) if (aspm_policy != POLICY_POWERSAVE) return; - if ((pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT) && - (pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)) + if ((pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT) && + (pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM)) return; down_read(&pci_bus_sem); @@ -757,8 +757,8 @@ static void __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem, if (!pci_is_pcie(pdev)) return; - if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT || - pdev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT || + pci_pcie_type(pdev) == PCI_EXP_TYPE_DOWNSTREAM) parent = pdev; if (!parent || !parent->link_state) return; @@ -933,8 +933,8 @@ void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) struct pcie_link_state *link_state = pdev->link_state; if (!pci_is_pcie(pdev) || - (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) + (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT && + pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) return; if (link_state->aspm_support) @@ -950,8 +950,8 @@ void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev) struct pcie_link_state *link_state = pdev->link_state; if (!pci_is_pcie(pdev) || - (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) + (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT && + pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) return; if (link_state->aspm_support) diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c index 001f1b7..30897bf 100644 --- a/drivers/pci/pcie/pme.c +++ b/drivers/pci/pcie/pme.c @@ -120,7 +120,7 @@ static bool pcie_pme_from_pci_bridge(struct pci_bus *bus, u8 devfn) if (!dev) return false; - if (pci_is_pcie(dev) && dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { + if (pci_is_pcie(dev) && pci_pcie_type(dev) == PCI_EXP_TYPE_PCI_BRIDGE) { down_read(&pci_bus_sem); if (pcie_pme_walk_bus(bus)) found = true; @@ -335,13 +335,13 @@ static void pcie_pme_mark_devices(struct pci_dev *port) struct pci_dev *dev; /* Check if this is a root port event collector. */ - if (port->pcie_type != PCI_EXP_TYPE_RC_EC || !bus) + if (pci_pcie_type(port) != PCI_EXP_TYPE_RC_EC || !bus) return; down_read(&pci_bus_sem); list_for_each_entry(dev, &bus->devices, bus_list) if (pci_is_pcie(dev) - && dev->pcie_type == PCI_EXP_TYPE_RC_END) + && pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END) pcie_pme_set_native(dev, NULL); up_read(&pci_bus_sem); } diff --git a/drivers/pci/pcie/portdrv_bus.c b/drivers/pci/pcie/portdrv_bus.c index 18bf90f..67be55a 100644 --- a/drivers/pci/pcie/portdrv_bus.c +++ b/drivers/pci/pcie/portdrv_bus.c @@ -38,7 +38,7 @@ static int pcie_port_bus_match(struct device *dev, struct device_driver *drv) return 0; if ((driver->port_type != PCIE_ANY_PORT) && - (driver->port_type != pciedev->port->pcie_type)) + (driver->port_type != pci_pcie_type(pciedev->port))) return 0; return 1; diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 75915b3..bf320a9 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -298,7 +298,7 @@ static int get_port_device_capability(struct pci_dev *dev) services |= PCIE_PORT_SERVICE_VC; /* Root ports are capable of generating PME too */ if ((cap_mask & PCIE_PORT_SERVICE_PME) - && dev->pcie_type == PCI_EXP_TYPE_ROOT_PORT) { + && pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT) { services |= PCIE_PORT_SERVICE_PME; /* * Disable PME interrupt on this port in case it's been enabled @@ -336,7 +336,7 @@ static int pcie_device_init(struct pci_dev *pdev, int service, int irq) device->release = release_pcie_device; /* callback to free pcie dev */ dev_set_name(device, "%s:pcie%02x", pci_name(pdev), - get_descriptor_id(pdev->pcie_type, service)); + get_descriptor_id(pci_pcie_type(pdev), service)); device->parent = &pdev->dev; device_enable_async_suspend(device); diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 3a7eefc..24d1463 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -95,7 +95,7 @@ static int pcie_port_resume_noirq(struct device *dev) * 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) + if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT) pcie_clear_root_pme_status(pdev); return 0; } @@ -186,9 +186,9 @@ static int __devinit pcie_portdrv_probe(struct pci_dev *dev, int status; if (!pci_is_pcie(dev) || - ((dev->pcie_type != PCI_EXP_TYPE_ROOT_PORT) && - (dev->pcie_type != PCI_EXP_TYPE_UPSTREAM) && - (dev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM))) + ((pci_pcie_type(dev) != PCI_EXP_TYPE_ROOT_PORT) && + (pci_pcie_type(dev) != PCI_EXP_TYPE_UPSTREAM) && + (pci_pcie_type(dev) != PCI_EXP_TYPE_DOWNSTREAM))) return -ENODEV; if (!dev->irq && dev->pin) { |