OpenWrt
| /branches/18.06.1/target/linux/cns3xxx/patches-4.14/060-pcie_abort.patch |
|---|
| @@ -1,7 +1,7 @@ |
| --- a/arch/arm/mach-cns3xxx/pcie.c |
| +++ b/arch/arm/mach-cns3xxx/pcie.c |
| @@ -86,6 +86,79 @@ static void __iomem *cns3xxx_pci_map_bus |
| return base + where + (devfn << 12); |
| return base + (where & 0xffc) + (devfn << 12); |
| } |
| +static inline int check_master_abort(struct pci_bus *bus, unsigned int devfn, int where) |
| @@ -82,7 +82,7 @@ |
| { |
| @@ -95,6 +168,11 @@ static int cns3xxx_pci_read_config(struc |
| ret = pci_generic_config_read(bus, devfn, where, size, val); |
| ret = pci_generic_config_read32(bus, devfn, where, size, val); |
| + if (check_master_abort(bus, devfn, where)) { |
| + printk(KERN_ERR "pci error: %04d:%02x:%02x.%02x %02x(%d)= master_abort on read\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size); |