24 Feb
2011
24 Feb
'11
5:14 a.m.
https://bugzilla.kernel.org/show_bug.cgi?id=29572
--- Comment #5 from Andrew Morton akpm@linux-foundation.org 2011-02-24 05:14:11 --- (In reply to comment #4)
The old behavior was wrong.
Don't care really. We shouldn't change interfaces.
The temperature value in the register was interpreted incorrectly prior to my recent patch (improper handling of signed values).
That seems unrelated.
Also, if the card is disabled, the value of the mmio registers is undefined.
So reads should have returned -EINVAL from day one. Too late to fix that. The best thing to do now would be to detect this situation and to return zero, preserving the API.
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