From: Naveen Naidu Date: Thu, 18 Nov 2021 14:03:33 +0000 (+0530) Subject: PCI: keystone: Use PCI_ERROR_RESPONSE to identify config read errors X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=3cfdef7a57a230c68aa981607d402fab428b662d;p=linux.git 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 Signed-off-by: Bjorn Helgaas --- diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c index 865258d8c53c1..a055ea84b149b 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)