diff options
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 44a7f13c788..3522723eb6b 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1623,7 +1623,13 @@ static int decode_dmi(dmi_header_t *dm, int intf_num) } } else { /* Old DMI spec. */ - ipmi_data->base_addr = base_addr; + /* Note that technically, the lower bit of the base + * address should be 1 if the address is I/O and 0 if + * the address is in memory. So many systems get that + * wrong (and all that I have seen are I/O) so we just + * ignore that bit and assume I/O. Systems that use + * memory should use the newer spec, anyway. */ + ipmi_data->base_addr = base_addr & 0xfffe; ipmi_data->addr_space = IPMI_IO_ADDR_SPACE; ipmi_data->offset = 1; } |