Subject: ARM errata 430973 on multi platform kernels (was: OMAP3-N900: Add microphone bias voltages)

From: [email-masked] (Pavel Machek)
Date: Fri, 3 Apr 2015 22:42:46 +0200

Hi!

> Maybe an option would be to provide two cpu_v7_switch_mm
> implementations (one with the errata and one without). Then
> the system can start with the simple implementation. Once
> the boot as progressed far enough to know, that the hardware
> is affected by the errata, it could switch to the implementation
> with the flushing.

Actually... we should start with the slow&safe option, and then switch
to faster implementation if workaround is not needed.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html