[PATCH] clk: qcom: Fix sdc 144kHz frequency entry

Mike Turquette mturquette at linaro.org
Tue Sep 2 14:44:02 PDT 2014


Quoting Stephen Boyd (2014-08-29 12:49:26)
> The pre-divider for the sdc clocks only has 2 bits in it, so we
> can't possibly divide by anything larger than 4 here.
> Furthermore, we program the value of ~(n - m) and the n value is
> larger than 8 bits (max of 256). Replace this entry with 200kHz
> which is close enough to 144kHz to be usable.
> 
> Cc: Kumar Gala <galak at codeaurora.org>
> Cc: Andy Gross <agross at codeaurora.org>
> Fixes: 24d8fba44af3 "clk: qcom: Add support for IPQ8064's global clock controller (GCC)"
> Signed-off-by: Stephen Boyd <sboyd at codeaurora.org>

Do you need this pulled into a 3.17-rc?

Regards,
Mike

> ---
>  drivers/clk/qcom/gcc-ipq806x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
> index 4032e510d9aa..3b83b7dd78c7 100644
> --- a/drivers/clk/qcom/gcc-ipq806x.c
> +++ b/drivers/clk/qcom/gcc-ipq806x.c
> @@ -1095,7 +1095,7 @@ static struct clk_branch prng_clk = {
>  };
>  
>  static const struct freq_tbl clk_tbl_sdc[] = {
> -       {    144000, P_PXO,   5, 18,625 },
> +       {    200000, P_PXO,   2, 2, 125 },
>         {    400000, P_PLL8,  4, 1, 240 },
>         {  16000000, P_PLL8,  4, 1,   6 },
>         {  17070000, P_PLL8,  1, 2,  45 },
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
> 



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