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| author |   Frederick Lawler <fred@fredlawl.com> | 2018-03-22 16:20:55 -0500 |
|---|---|---|
| committer |   Bjorn Helgaas <helgaas@kernel.org> | 2018-03-30 17:26:59 -0500 |
| commit | f0553ba08a19031726f120448eedc3aff1599c23 (patch) | |
| tree | 201fa5b774ff6878712f8cad042f2cf459c3a79e /drivers/pci/pcie/portdrv_core.c | |
| parent | PCI/portdrv: Rename and reverse sense of pcie_ports_auto (diff) | |
| download | linux-dev-f0553ba08a19031726f120448eedc3aff1599c23.tar.xz linux-dev-f0553ba08a19031726f120448eedc3aff1599c23.zip | |
PCI/AER: Use cached AER Capability offset
Replace pci_find_ext_capability(..., PCI_EXT_CAP_ID_ERR) calls with
pci_dev->aer_cap.
pci_dev->aer_cap is initialized in pci_init_capabilities(), which happens
before any of these users of the AER Capability.
Signed-off-by: Frederick Lawler <fred@fredlawl.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/pcie/portdrv_core.c')
| -rw-r--r-- | drivers/pci/pcie/portdrv_core.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index 6890aea4a550..099ef7ac615b 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -40,7 +40,7 @@ static void release_pcie_device(struct device *dev) static int pcie_message_numbers(struct pci_dev *dev, int mask, u32 *pme, u32 *aer, u32 *dpc) { - u32 nvec = 0, pos, reg32; + u32 nvec = 0, pos; u16 reg16; /* @@ -56,8 +56,11 @@ static int pcie_message_numbers(struct pci_dev *dev, int mask, nvec = *pme + 1; } +#ifdef CONFIG_PCIEAER if (mask & PCIE_PORT_SERVICE_AER) { - pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); + u32 reg32; + + pos = dev->aer_cap; if (pos) { pci_read_config_dword(dev, pos + PCI_ERR_ROOT_STATUS, ®32); @@ -65,6 +68,7 @@ static int pcie_message_numbers(struct pci_dev *dev, int mask, nvec = max(nvec, *aer + 1); } } +#endif if (mask & PCIE_PORT_SERVICE_DPC) { pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_DPC); @@ -207,8 +211,9 @@ static int get_port_device_capability(struct pci_dev *dev) PCI_EXP_SLTCTL_CCIE | PCI_EXP_SLTCTL_HPIE); } - if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR) && - pci_aer_available() && (pcie_ports_native || host->native_aer)) { +#ifdef CONFIG_PCIEAER + if (dev->aer_cap && pci_aer_available() && + (pcie_ports_native || host->native_aer)) { services |= PCIE_PORT_SERVICE_AER; /* @@ -217,6 +222,7 @@ static int get_port_device_capability(struct pci_dev *dev) */ pci_disable_pcie_error_reporting(dev); } +#endif /* * Root ports are capable of generating PME too. Root Complex |