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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-11 12:18:16 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-11 12:18:16 -0800 |
commit | 11bd04f6f35621193311c32e0721142b073a7794 (patch) | |
tree | 00979740582bb26e8d3756bf3526c85f19f66a46 /drivers/pci/pcie/aspm.c | |
parent | 4e2ccdb0409146f8cf64a11b6ef82a9c928ced2a (diff) | |
parent | 9e0b5b2c447ad0caa075a5cfef86def62e1782ff (diff) | |
download | op-kernel-dev-11bd04f6f35621193311c32e0721142b073a7794.zip op-kernel-dev-11bd04f6f35621193311c32e0721142b073a7794.tar.gz |
Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (109 commits)
PCI: fix coding style issue in pci_save_state()
PCI: add pci_request_acs
PCI: fix BUG_ON triggered by logical PCIe root port removal
PCI: remove ifdefed pci_cleanup_aer_correct_error_status
PCI: unconditionally clear AER uncorr status register during cleanup
x86/PCI: claim SR-IOV BARs in pcibios_allocate_resource
PCI: portdrv: remove redundant definitions
PCI: portdrv: remove unnecessary struct pcie_port_data
PCI: portdrv: minor cleanup for pcie_port_device_register
PCI: portdrv: add missing irq cleanup
PCI: portdrv: enable device before irq initialization
PCI: portdrv: cleanup service irqs initialization
PCI: portdrv: check capabilities first
PCI: portdrv: move PME capability check
PCI: portdrv: remove redundant pcie type calculation
PCI: portdrv: cleanup pcie_device registration
PCI: portdrv: remove redundant pcie_port_device_probe
PCI: Always set prefetchable base/limit upper32 registers
PCI: read-modify-write the pcie device control register when initiating pcie flr
PCI: show dma_mask bits in /sys
...
Fixed up conflicts in:
arch/x86/kernel/amd_iommu_init.c
drivers/pci/dmar.c
drivers/pci/hotplug/acpiphp_glue.c
Diffstat (limited to 'drivers/pci/pcie/aspm.c')
-rw-r--r-- | drivers/pci/pcie/aspm.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 5b7056c..5a01fc7 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -122,7 +122,7 @@ static void pcie_set_clkpm_nocheck(struct pcie_link_state *link, int enable) struct pci_bus *linkbus = link->pdev->subordinate; list_for_each_entry(child, &linkbus->devices, bus_list) { - pos = pci_find_capability(child, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(child); if (!pos) return; pci_read_config_word(child, pos + PCI_EXP_LNKCTL, ®16); @@ -156,7 +156,7 @@ static void pcie_clkpm_cap_init(struct pcie_link_state *link, int blacklist) /* All functions should have the same cap and state, take the worst */ list_for_each_entry(child, &linkbus->devices, bus_list) { - pos = pci_find_capability(child, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(child); if (!pos) return; pci_read_config_dword(child, pos + PCI_EXP_LNKCAP, ®32); @@ -191,23 +191,23 @@ static void pcie_aspm_configure_common_clock(struct pcie_link_state *link) * Configuration, so just check one function */ child = list_entry(linkbus->devices.next, struct pci_dev, bus_list); - BUG_ON(!child->is_pcie); + BUG_ON(!pci_is_pcie(child)); /* Check downstream component if bit Slot Clock Configuration is 1 */ - cpos = pci_find_capability(child, PCI_CAP_ID_EXP); + cpos = pci_pcie_cap(child); pci_read_config_word(child, cpos + PCI_EXP_LNKSTA, ®16); if (!(reg16 & PCI_EXP_LNKSTA_SLC)) same_clock = 0; /* Check upstream component if bit Slot Clock Configuration is 1 */ - ppos = pci_find_capability(parent, PCI_CAP_ID_EXP); + ppos = pci_pcie_cap(parent); pci_read_config_word(parent, ppos + PCI_EXP_LNKSTA, ®16); if (!(reg16 & PCI_EXP_LNKSTA_SLC)) same_clock = 0; /* Configure downstream component, all functions */ list_for_each_entry(child, &linkbus->devices, bus_list) { - cpos = pci_find_capability(child, PCI_CAP_ID_EXP); + cpos = pci_pcie_cap(child); pci_read_config_word(child, cpos + PCI_EXP_LNKCTL, ®16); child_reg[PCI_FUNC(child->devfn)] = reg16; if (same_clock) @@ -247,7 +247,7 @@ static void pcie_aspm_configure_common_clock(struct pcie_link_state *link) dev_printk(KERN_ERR, &parent->dev, "ASPM: Could not configure common clock\n"); list_for_each_entry(child, &linkbus->devices, bus_list) { - cpos = pci_find_capability(child, PCI_CAP_ID_EXP); + cpos = pci_pcie_cap(child); pci_write_config_word(child, cpos + PCI_EXP_LNKCTL, child_reg[PCI_FUNC(child->devfn)]); } @@ -300,7 +300,7 @@ static void pcie_get_aspm_reg(struct pci_dev *pdev, u16 reg16; u32 reg32; - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(pdev); pci_read_config_dword(pdev, pos + PCI_EXP_LNKCAP, ®32); info->support = (reg32 & PCI_EXP_LNKCAP_ASPMS) >> 10; info->latency_encoding_l0s = (reg32 & PCI_EXP_LNKCAP_L0SEL) >> 12; @@ -420,7 +420,7 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist) child->pcie_type != PCI_EXP_TYPE_LEG_END) continue; - pos = pci_find_capability(child, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(child); pci_read_config_dword(child, pos + PCI_EXP_DEVCAP, ®32); /* Calculate endpoint L0s acceptable latency */ encoding = (reg32 & PCI_EXP_DEVCAP_L0S) >> 6; @@ -436,7 +436,7 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist) static void pcie_config_aspm_dev(struct pci_dev *pdev, u32 val) { u16 reg16; - int pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); + int pos = pci_pcie_cap(pdev); pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); reg16 &= ~0x3; @@ -503,7 +503,7 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev) * very strange. Disable ASPM for the whole slot */ list_for_each_entry(child, &pdev->subordinate->devices, bus_list) { - pos = pci_find_capability(child, PCI_CAP_ID_EXP); + pos = pci_pcie_cap(child); if (!pos) return -EINVAL; /* @@ -563,7 +563,7 @@ void pcie_aspm_init_link_state(struct pci_dev *pdev) struct pcie_link_state *link; int blacklist = !!pcie_aspm_sanity_check(pdev); - if (aspm_disabled || !pdev->is_pcie || pdev->link_state) + if (aspm_disabled || !pci_is_pcie(pdev) || pdev->link_state) return; if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) @@ -629,7 +629,8 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev) struct pci_dev *parent = pdev->bus->self; struct pcie_link_state *link, *root, *parent_link; - if (aspm_disabled || !pdev->is_pcie || !parent || !parent->link_state) + if (aspm_disabled || !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)) @@ -670,7 +671,7 @@ void pcie_aspm_pm_state_change(struct pci_dev *pdev) { struct pcie_link_state *link = pdev->link_state; - if (aspm_disabled || !pdev->is_pcie || !link) + 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)) @@ -696,7 +697,7 @@ void pci_disable_link_state(struct pci_dev *pdev, int state) struct pci_dev *parent = pdev->bus->self; struct pcie_link_state *link; - if (aspm_disabled || !pdev->is_pcie) + if (aspm_disabled || !pci_is_pcie(pdev)) return; if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT || pdev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) @@ -841,8 +842,9 @@ void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) { struct pcie_link_state *link_state = pdev->link_state; - if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) + if (!pci_is_pcie(pdev) || + (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && + pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) return; if (link_state->aspm_support) @@ -857,8 +859,9 @@ void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev) { struct pcie_link_state *link_state = pdev->link_state; - if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) + if (!pci_is_pcie(pdev) || + (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && + pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) || !link_state) return; if (link_state->aspm_support) |