diff options
Diffstat (limited to 'arch/powerpc/sysdev/indirect_pci.c')
| -rw-r--r-- | arch/powerpc/sysdev/indirect_pci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c index cfbd2aae93e..7fd49c97501 100644 --- a/arch/powerpc/sysdev/indirect_pci.c +++ b/arch/powerpc/sysdev/indirect_pci.c @@ -123,6 +123,12 @@ indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, (bus->number == hose->first_busno)) val &= 0xffffff00; + /* Workaround for PCI_28 Errata in 440EPx/GRx */ + if ((hose->indirect_type & PPC_INDIRECT_TYPE_BROKEN_MRM) && + offset == PCI_CACHE_LINE_SIZE) { + val = 0; + } + /* * Note: the caller has already checked that offset is * suitably aligned and that len is 1, 2 or 4. |