Re: [PATCH 2/2] clk: tegra: add ac97 controller clock

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Am Mittwoch, den 30.01.2013, 11:27 -0700 schrieb Stephen Warren:
> On 01/30/2013 02:35 AM, Peter De Schrijver wrote:
> >>
> >>> and also ac97 clock == pll_a_out0, so you can
> >>> just as well use the pll out in that case.
> >>
> >> I suspect that "ac97 clock == pll_a_out0" isn't categorically true; it's
> >> quite possible that the TRM simply doesn't document the mux
> >> register/field for the ac97 clock since the ac97 module is considered
> >> deprecated. The diagram at the end of section 5.2.3 "Audio Clocks"
> >> certainly implies that all of the i2s*, spdifout, and ac97 clocks have
> >> the same structure.
> > 
> > It indeed does, but I can't find any reference to a mux control register for
> > ac97 in any document...
> 
> For both these two issues, I'll try and track down the relevant HW
> engineers or other sources of documentation internally...
> 
Ping.
I would really like to see those two patches in 3.9, as otherwise
Colibri T20 boots up with kernel warnings and a non-functional audio.

Regards,
Lucas

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