diff options
| author | Sean V Kelley <sean.v.kelley@intel.com> | 2020-11-21 01:10:27 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2020-12-04 18:18:58 +0100 |
| commit | 480ef7cb9fcebda7b28cbed4f6cdcf0a02f4a6ca (patch) | |
| tree | 7fcea99854eb67100e8a2172341d8ab27e325eec /drivers/pci/pcie | |
| parent | PCI/ERR: Simplify by using pci_upstream_bridge() (diff) | |
| download | linux-480ef7cb9fcebda7b28cbed4f6cdcf0a02f4a6ca.tar.xz linux-480ef7cb9fcebda7b28cbed4f6cdcf0a02f4a6ca.zip | |
PCI/ERR: Simplify by computing pci_pcie_type() once
Instead of calling pci_pcie_type(dev) twice, call it once and save the
result. No functional change intended.
Link: https://lore.kernel.org/r/20201121001036.8560-7-sean.v.kelley@intel.com
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # non-native/no RCEC
Signed-off-by: Sean V Kelley <sean.v.kelley@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/pci/pcie')
| -rw-r--r-- | drivers/pci/pcie/aer.c | 5 | ||||
| -rw-r--r-- | drivers/pci/pcie/err.c | 5 | ||||
| -rw-r--r-- | drivers/pci/pcie/portdrv_pci.c | 9 |
3 files changed, 11 insertions, 8 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 6fe2d4ef0635..0ba0b47ae751 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1034,6 +1034,7 @@ EXPORT_SYMBOL_GPL(aer_recover_queue); */ int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info) { + int type = pci_pcie_type(dev); int aer = dev->aer_cap; int temp; @@ -1052,8 +1053,8 @@ int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info) &info->mask); if (!(info->status & ~info->mask)) return 0; - } else if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT || - pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM || + } else if (type == PCI_EXP_TYPE_ROOT_PORT || + type == PCI_EXP_TYPE_DOWNSTREAM || info->severity == AER_NONFATAL) { /* Link is still healthy for IO reads */ diff --git a/drivers/pci/pcie/err.c b/drivers/pci/pcie/err.c index 05f61da5ed9d..7a5af873d8bc 100644 --- a/drivers/pci/pcie/err.c +++ b/drivers/pci/pcie/err.c @@ -150,6 +150,7 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, pci_channel_state_t state, pci_ers_result_t (*reset_subordinates)(struct pci_dev *pdev)) { + int type = pci_pcie_type(dev); pci_ers_result_t status = PCI_ERS_RESULT_CAN_RECOVER; struct pci_bus *bus; @@ -157,8 +158,8 @@ pci_ers_result_t pcie_do_recovery(struct pci_dev *dev, * Error recovery runs on all subordinates of the first downstream port. * If the downstream port detected the error, it is cleared at the end. */ - if (!(pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT || - pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM)) + if (!(type == PCI_EXP_TYPE_ROOT_PORT || + type == PCI_EXP_TYPE_DOWNSTREAM)) dev = pci_upstream_bridge(dev); bus = dev->subordinate; diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 4d880679b9b1..ff9517ee92b3 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -101,13 +101,14 @@ static const struct dev_pm_ops pcie_portdrv_pm_ops = { static int pcie_portdrv_probe(struct pci_dev *dev, const struct pci_device_id *id) { + int type = pci_pcie_type(dev); int status; if (!pci_is_pcie(dev) || - ((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) && - (pci_pcie_type(dev) != PCI_EXP_TYPE_RC_EC))) + ((type != PCI_EXP_TYPE_ROOT_PORT) && + (type != PCI_EXP_TYPE_UPSTREAM) && + (type != PCI_EXP_TYPE_DOWNSTREAM) && + (type != PCI_EXP_TYPE_RC_EC))) return -ENODEV; status = pcie_port_device_register(dev); |