On Thu, 27 Jan 2005 21:29:47 +0100, Andries Brouwer <[EMAIL PROTECTED]> wrote: > On Thu, Jan 27, 2005 at 10:09:24AM -0800, Linus Torvalds wrote: > > > So what _might_ happen is that we write the command, and then > > i8042_wait_write() thinks that there is space to write the data > > immediately, and writes the data, but now the data got lost because the > > buffer was busy. > > Hmm - I just answered the same post and concluded that I didnt understand, > so you have progressed further. I considered the same possibility, > but the data was not lost since we read it again later. > Only the ready flag was lost. >
No, note that if there was valid data we would dee 0xa5 instead of 0x5a that was in the buffer - because in i8042_command we invert data coming from AUX port. So Linus's theory seems feasible. -- Dmitry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/