• Linus Torvalds's avatar
    cardbus: limit IO windows to 256 bytes · 4196c3af
    Linus Torvalds authored
    That's what we've always historically done, and bigger windows seem to
    confuse some cardbus bridges. Or something.
    
    Alan reports that this makes the ThinkPad 600x series work properly
    again: the 4kB IO window for some reason made IDE DMA not work, which
    makes IDE painfully slow even if it works after DMA timeouts.
    Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
    4196c3af
setup-bus.c 15 KB