Messages in this thread | | | Date | Thu, 27 Jan 2005 21:29:47 +0100 | From | Andries Brouwer <> | Subject | Re: i8042 access timings |
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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.
> The IO delay should be _before_ the read of the status, not after it.
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