On 07/06/2017 at 23:38:10 +0200, Daniel Lezcano wrote: > On Wed, Jun 07, 2017 at 05:09:08PM +0200, Alexandre Belloni wrote: > I suggest to look what is in 'lot-of-things()' and especially what is doing > regcache_read(). >
I know it does a lot... > May be you can reconsider the regmap? This driver is the only one use the > regmap AFAICT and I don't think it is adequate. > That is not true, I also converted the PWM driver and both a capture and qdec drivers are coming. > > > > > Can you explain why we have two clocks here? > > > > > > > > > > > > > Each channel have its clock, I can add a comment if you want. > > > > > > I don't understand. Why do we have two clocks? > > > > > > One channel is driven by one clock and the second one takes the overflow > > > signal > > > from the first one, so no second clock is involved there, no? > > > > > > > Those are the peripheral clocks, they are not used by the counters but > > used to be able to read/write the registers. > > Mmh, strange. Why is the clk[0]'s rate used in this case? > That's abusing the fact that is has the same rate as the clock feeding the counter. -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
