On Mon, Oct 07, 2013 at 03:19:53PM +0200, Linus Walleij wrote: > This fixes a long-standing Integrator/CP regression from > commit 870e2928cf3368ca9b06bc925d0027b0a56bcd8e > "ARM: integrator-cp: convert use CLKSRC_OF for timer init" > > When this code was introduced, the both aliases pointing the > system to use timer1 as primary (clocksource) and timer2 > as secondary (clockevent) was ignored, and the system would > simply use the first two timers found as clocksource and > clockevent. > > However this made the system timeline accelerate by a > factor x25, as it turns out that the way the clocking > actually works (totally undocumented and found after some > trial-and-error) is that timer0 runs @ 25MHz and timer1 > and timer2 runs @ 1MHz. Presumably this divider setting > is a boot-on default and configurable albeit the way to > configure it is not documented. > > So as a quick fix to the problem, let's mark timer0 as > disabled, so the code will chose timer1 and timer2 as it > used to. > > This also deletes the two aliases for the primary and > secondary timer as they have been superceded by the > auto-selection > > Cc: [email protected] > Cc: Rob Herring <[email protected]> > Cc: Russell King <[email protected]> > Signed-off-by: Linus Walleij <[email protected]> > --- > ARM SoC folks: can you please apply this directly for fixes > if noone complains? Thanks.
Certainly, but I'll give them a day or two to complain. Prod me if I haven't applied by Wednesday (and there has been no further discussion). -Olof -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
