diff options
Diffstat (limited to 'arch/x86/pci/olpc.c')
| -rw-r--r-- | arch/x86/pci/olpc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/pci/olpc.c b/arch/x86/pci/olpc.c index 13700ec8e2e..5262603b04d 100644 --- a/arch/x86/pci/olpc.c +++ b/arch/x86/pci/olpc.c @@ -206,6 +206,8 @@ static int pci_olpc_read(unsigned int seg, unsigned int bus, { uint32_t *addr; + WARN_ON(seg); + /* Use the hardware mechanism for non-simulated devices */ if (!is_simulated(bus, devfn)) return pci_direct_conf1.read(seg, bus, devfn, reg, len, value); @@ -264,6 +266,8 @@ static int pci_olpc_read(unsigned int seg, unsigned int bus, static int pci_olpc_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, uint32_t value) { + WARN_ON(seg); + /* Use the hardware mechanism for non-simulated devices */ if (!is_simulated(bus, devfn)) return pci_direct_conf1.write(seg, bus, devfn, reg, len, value); |