Re: [PATCH 5/5] clk: qcom: dispcc-sm6115: remove alpha values from disp_cc_pll0_config

From: Dmitry Baryshkov
Date: Fri Oct 25 2024 - 02:21:25 EST


On Mon, Oct 21, 2024 at 10:22:01PM +0200, Gabor Juhos wrote:
> Since both the 'alpha' and 'alpha_hi' members of the configuration is
> initialized (the latter is implicitly) with zero values, the output
> rate of the PLL will be the same whether alpha mode is enabled or not.
>
> Remove the initialization of the alpha* members to make it clear that
> the alpha mode is not required to get the desired output rate.
>
> No functional changes intended, compile tested only.
>
> Signed-off-by: Gabor Juhos <j4g8y7@xxxxxxxxx>
> ---
> drivers/clk/qcom/dispcc-sm6115.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/clk/qcom/dispcc-sm6115.c b/drivers/clk/qcom/dispcc-sm6115.c
> index 939887f82ecc3da21a5f26168c3161aa8cfeb3cb..2b236d52b29fe72b8979da85c8bd4bfd1db54c0b 100644
> --- a/drivers/clk/qcom/dispcc-sm6115.c
> +++ b/drivers/clk/qcom/dispcc-sm6115.c
> @@ -48,8 +48,6 @@ static const struct pll_vco spark_vco[] = {
> /* 768MHz configuration */
> static const struct alpha_pll_config disp_cc_pll0_config = {
> .l = 0x28,
> - .alpha = 0x0,
> - .alpha_en_mask = BIT(24),

NAK, this isn't a fixed rate PLL.

> .vco_val = 0x2 << 20,
> .vco_mask = GENMASK(21, 20),
> .main_output_mask = BIT(0),
>
> --
> 2.47.0
>

--
With best wishes
Dmitry