diff options
| author | Naveen Naidu <naveennaidu479@gmail.com> | 2021-11-18 19:33:34 +0530 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-11-18 14:32:16 -0600 |
| commit | 14e04d0d5ed065ae712911589b94edff8e7d406b (patch) | |
| tree | a795f2e711060db7dba5b0963d57f3f629390388 /drivers/pci/controller/pci-hyperv.c | |
| parent | 3cfdef7a57a230c68aa981607d402fab428b662d (diff) | |
PCI: hv: Use PCI_ERROR_RESPONSE to identify config read errors
Include PCI_ERROR_RESPONSE along with 0xFFFFFFFF in the comment about
identifying config read errors. This makes checks for config read errors
easier to find. Comment change only.
Link: https://lore.kernel.org/r/12124f41cab7d8aa944de05f85d9567bfe157704.1637243717.git.naveennaidu479@gmail.com
Signed-off-by: Naveen Naidu <naveennaidu479@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/controller/pci-hyperv.c')
| -rw-r--r-- | drivers/pci/controller/pci-hyperv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 6733cb14e775..1f961d0b5d6b 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -1774,7 +1774,7 @@ static void prepopulate_bars(struct hv_pcibus_device *hbus) * If the memory enable bit is already set, Hyper-V silently ignores * the below BAR updates, and the related PCI device driver can not * work, because reading from the device register(s) always returns - * 0xFFFFFFFF. + * 0xFFFFFFFF (PCI_ERROR_RESPONSE). */ list_for_each_entry(hpdev, &hbus->children, list_entry) { _hv_pcifront_read_config(hpdev, PCI_COMMAND, 2, &command); |