Re: [PATCH v2 4/9] clk: gxbb: put dividers and muxes in tables

From: Michael Turquette
Date: Tue Mar 21 2017 - 19:33:45 EST


Quoting Jerome Brunet (2017-03-09 02:41:49)
> Until now, there was only 2 dividers and 2 muxes declared for the gxbb
> platform. With the ongoing work on various subsystem, including audio,
> this is about to change. Use the same approach as gates for dividers and
> muxes, putting them in tables to fix the register address at runtime.
>
> Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>

Looks good to me.

Regards,
Mike

> ---
> drivers/clk/meson/gxbb.c | 28 ++++++++++++++++++++--------
> 1 file changed, 20 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
> index c063287bb0ed..79e9313e6703 100644
> --- a/drivers/clk/meson/gxbb.c
> +++ b/drivers/clk/meson/gxbb.c
> @@ -902,6 +902,16 @@ static struct clk_gate *const gxbb_clk_gates[] = {
> &gxbb_sar_adc_clk,
> };
>
> +static struct clk_mux *const gxbb_clk_muxes[] = {
> + &gxbb_mpeg_clk_sel,
> + &gxbb_sar_adc_clk_sel,
> +};
> +
> +static struct clk_divider *const gxbb_clk_dividers[] = {
> + &gxbb_mpeg_clk_div,
> + &gxbb_sar_adc_clk_div,
> +};
> +
> static int gxbb_clkc_probe(struct platform_device *pdev)
> {
> void __iomem *clk_base;
> @@ -928,19 +938,21 @@ static int gxbb_clkc_probe(struct platform_device *pdev)
> /* Populate the base address for CPU clk */
> gxbb_cpu_clk.base = clk_base;
>
> - /* Populate the base address for the MPEG clks */
> - gxbb_mpeg_clk_sel.reg = clk_base + (u64)gxbb_mpeg_clk_sel.reg;
> - gxbb_mpeg_clk_div.reg = clk_base + (u64)gxbb_mpeg_clk_div.reg;
> -
> - /* Populate the base address for the SAR ADC clks */
> - gxbb_sar_adc_clk_sel.reg = clk_base + (u64)gxbb_sar_adc_clk_sel.reg;
> - gxbb_sar_adc_clk_div.reg = clk_base + (u64)gxbb_sar_adc_clk_div.reg;
> -
> /* Populate base address for gates */
> for (i = 0; i < ARRAY_SIZE(gxbb_clk_gates); i++)
> gxbb_clk_gates[i]->reg = clk_base +
> (u64)gxbb_clk_gates[i]->reg;
>
> + /* Populate base address for muxes */
> + for (i = 0; i < ARRAY_SIZE(gxbb_clk_muxes); i++)
> + gxbb_clk_muxes[i]->reg = clk_base +
> + (u64)gxbb_clk_muxes[i]->reg;
> +
> + /* Populate base address for dividers */
> + for (i = 0; i < ARRAY_SIZE(gxbb_clk_dividers); i++)
> + gxbb_clk_dividers[i]->reg = clk_base +
> + (u64)gxbb_clk_dividers[i]->reg;
> +
> /*
> * register all clks
> */
> --
> 2.9.3
>