Re: [PATCH] clk: qcom: gcc-msm8994: Fix gpll4 width

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Hi Konrad,

Reviewed-by: Petr Vorel <petr.vorel@xxxxxxxxx>


> The gpll4 postdiv is actually a div4, so make sure that Linux is aware of
> this.

> This fixes the following error messages:

> [    0.804491] mmc1: Card appears overclocked; req 200000000 Hz, actual 343999999 Hz
> [    0.805057] mmc1: Card appears overclocked; req 400000000 Hz, actual 687999999 Hz
yes, this works on my patchset [1] even without these workarounds (I'll submit
v5 without it)

+	assigned-clocks = <&gcc GPLL4_EARLY>;
+	assigned-clock-rates = <384000000>;

Tested-by: Petr Vorel <petr.vorel@xxxxxxxxx>

Kind regards,
Petr

[1] https://lore.kernel.org/linux-arm-msm/20220218203710.895-1-petr.vorel@xxxxxxxxx/

> Fixes: aec89f78cf01 ("clk: qcom: Add support for msm8994 global clock controller")

> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
> ---
> Cc: Petr Vorel <petr.vorel@xxxxxxxxx>

>  drivers/clk/qcom/gcc-msm8994.c | 1 +
>  1 file changed, 1 insertion(+)

> diff --git a/drivers/clk/qcom/gcc-msm8994.c b/drivers/clk/qcom/gcc-msm8994.c
> index f09499999eb3..6b702cdacbf2 100644
> --- a/drivers/clk/qcom/gcc-msm8994.c
> +++ b/drivers/clk/qcom/gcc-msm8994.c
> @@ -77,6 +77,7 @@ static struct clk_alpha_pll gpll4_early = {

>  static struct clk_alpha_pll_postdiv gpll4 = {
>  	.offset = 0x1dc0,
> +	.width = 4,
>  	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_DEFAULT],
>  	.clkr.hw.init = &(struct clk_init_data){
>  		.name = "gpll4",



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