diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/pcie.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/pcie.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index 1a6268d61977..18d32f053d26 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -306,7 +306,7 @@ int pcie_speeds(struct hfi1_devdata *dd) ret = pcie_capability_read_dword(dd->pcidev, PCI_EXP_LNKCAP, &linkcap); if (ret) { dd_dev_err(dd, "Unable to read from PCI config\n"); - return ret; + return pcibios_err_to_errno(ret); } if ((linkcap & PCI_EXP_LNKCAP_SLS) != PCI_EXP_LNKCAP_SLS_8_0GB) { @@ -334,10 +334,14 @@ int pcie_speeds(struct hfi1_devdata *dd) return 0; } -/* restore command and BARs after a reset has wiped them out */ +/** + * Restore command and BARs after a reset has wiped them out + * + * Returns 0 on success, otherwise a negative error value + */ int restore_pci_variables(struct hfi1_devdata *dd) { - int ret = 0; + int ret; ret = pci_write_config_word(dd->pcidev, PCI_COMMAND, dd->pci_command); if (ret) @@ -386,13 +390,17 @@ int restore_pci_variables(struct hfi1_devdata *dd) error: dd_dev_err(dd, "Unable to write to PCI config\n"); - return ret; + return pcibios_err_to_errno(ret); } -/* Save BARs and command to rewrite after device reset */ +/** + * Save BARs and command to rewrite after device reset + * + * Returns 0 on success, otherwise a negative error value + */ int save_pci_variables(struct hfi1_devdata *dd) { - int ret = 0; + int ret; ret = pci_read_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0, &dd->pcibar0); @@ -441,7 +449,7 @@ int save_pci_variables(struct hfi1_devdata *dd) error: dd_dev_err(dd, "Unable to read from PCI config\n"); - return ret; + return pcibios_err_to_errno(ret); } /* |