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| author | Naveen Naidu <naveennaidu479@gmail.com> | 2021-11-18 17:03:33 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2021-11-18 23:32:08 +0300 |
| commit | 3cfdef7a57a230c68aa981607d402fab428b662d (patch) | |
| tree | 5a0a29c20640e93f3312fbbda6a3de9fea4c1b90 /drivers/pci/controller/dwc/pci-keystone.c | |
| parent | 289e3ea3a506e02f8d4a6a68d6cc0775f4d232c1 (diff) | |
| download | linux-3cfdef7a57a230c68aa981607d402fab428b662d.tar.xz | |
PCI: keystone: 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/6ae6b071d92052dc511407513e2a7c0035aff9e7.1637243717.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/dwc/pci-keystone.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pci-keystone.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 865258d8c53c..a055ea84b149 100644 --- a/drivers/pci/controller/dwc/pci-keystone.c +++ b/drivers/pci/controller/dwc/pci-keystone.c @@ -747,9 +747,9 @@ err: #ifdef CONFIG_ARM /* - * When a PCI device does not exist during config cycles, keystone host gets a - * bus error instead of returning 0xffffffff. This handler always returns 0 - * for this kind of faults. + * When a PCI device does not exist during config cycles, keystone host + * gets a bus error instead of returning 0xffffffff (PCI_ERROR_RESPONSE). + * This handler always returns 0 for this kind of fault. */ static int ks_pcie_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) |