[Freedreno] [RFC PATCH 1/2] clk: qcom: implement RCG2 'parked' clock support

[Dmitry Baryshkov]

On Thu, 26 Oct 2023 at 21:57, Konrad Dybcio <konrad.dybcio at linaro.org> wrote:
>
>
>
> On 10/7/23 01:43, Konrad Dybcio wrote:
> > On 4.10.2023 02:31, Dmitry Baryshkov wrote:
> >> clk_rcg2_shared_ops implements support for the case of the RCG which
> >> must not be completely turned off. However its design has one major
> >> drawback: it doesn't allow us to properly implement the is_enabled
> >> callback, which causes different kinds of misbehaviour from the CCF.
> >>
> >> Follow the idea behind clk_regmap_phy_mux_ops and implement the new
> >> clk_rcg2_parked_ops. It also targets the clocks which must not be fully
> >> switched off (and shared most of the implementation with
> >> clk_rcg2_shared_ops). The major difference is that it requires that the
> >> parent map doesn't conain the safe (parked) clock source. Instead if the
> >> CFG_REG register points to the safe source, the clock is considered to
> >> be disabled.
> >>
> >> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> >> ---
> > Would the intention here be to replace all usages of _shared_?

Yes

-- 
With best wishes
Dmitry