Re: [PATCH v2 5/5] clk: qcom: gcc: Add clock driver for SM8350

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Hi Taniya,

On 13-12-20, 14:00, Taniya Das wrote:
> 
> 
> On 12/11/2020 12:40 PM, Stephen Boyd wrote:
> > Quoting Vinod Koul (2020-12-10 21:43:49)
> > > On 10-12-20, 12:43, Stephen Boyd wrote:
> > > > > +static struct clk_branch gcc_camera_ahb_clk = {
> > > > > +       .halt_reg = 0x26004,
> > > > > +       .halt_check = BRANCH_HALT_DELAY,
> > > > > +       .hwcg_reg = 0x26004,
> > > > > +       .hwcg_bit = 1,
> > > > > +       .clkr = {
> > > > > +               .enable_reg = 0x26004,
> > > > > +               .enable_mask = BIT(0),
> > > > > +               .hw.init = &(struct clk_init_data){
> > > > > +                       .name = "gcc_camera_ahb_clk",
> > > > > +                       .flags = CLK_IS_CRITICAL,
> > > > 
> > > > Why is it critical? Can we just enable it in driver probe and stop
> > > > modeling it as a clk?
> > > 
> > > it does not have a parent we control, yeah it would make sense to do
> > > that. Tanya do you folks agree ..?
> > > 
> > 
> > Maybe it is needed for camera clk controller? Have to check other SoCs
> > and see if they're using it.
> > 
> 
> Yes, they would have to be left enabled.
> 
> Vinod, could you please move them to probe, similar to kona/sc7180 where all
> the CRITICALs clocks are left enabled?

Thanks for the pointer, will do

Thanks
-- 
~Vinod



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