http://bugzilla.kernel.org/show_bug.cgi?id=11549
------- Comment #9 from [EMAIL PROTECTED] 2008-09-18 01:40 -------
Hi, Alexey
Maybe you answer some issues I raised. But I haven't seen any change or
explanation in the attached patch.
a. bogus timeout in EC transaction. The bogus timeout seldom happens. But I
don't care whether it is easy to happen on some laptops. What I only care is
how to explain and process it when the bogus timeout happens.
b. the EC notification event will be lost in some specific cases. According
to what you said, the EC notification event will be lost and it can't be
handled by your patch. Right?
c. This issue is raised several times. And Rui also suspects that the patch
can't work on the machines with "Incorrect GPE status before GPE arrives".
Unfortunately we can't find any explanation about this. Maybe the laptop of bug
8110 is also broken again by your patch.
IMO what Rui said in comment #5 is right. Too many EC controllers are
available. And some of them don't follow the spec. It is not easy that one EC
driver can cover all the ECs. Maybe it is appropriate that different modes are
impemented in ec driver just as we did before and for every ec, we can make
sure there is at least one mode can work for it. If it is confirmed that
neither of the available modes can work for the broken EC, it is unnecessary to
fix them.
At the same time IMO it is worse to mix the interrupt-driven mode with the
polling mode. It is so obcure that it is not easy to understand especiallly
when there is no detailed change log.
Thanks.
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