[MCA] fix bus matching

There's a bug in the MCA bus matching algorithm in that it promotes from signed short to int before comparing with the actual id and does sign extension on anything > 0x7fff (which means that pos ids > 0x7fff never get correctly matched). Signed-off-by: James Bottomley <[EMAIL PROTECTED]> ---

[MCA] fix bus matching

There's a bug in the MCA bus matching algorithm in that it promotes from signed short to int before comparing with the actual id and does sign extension on anything 0x7fff (which means that pos ids 0x7fff never get correctly matched). Signed-off-by: James Bottomley [EMAIL PROTECTED] --- diff