Re: [PATCH 1/2] clk: samsung: Change signature of exynos5_subcmus_init() function

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Tested-by: Jaafar Ali <jaafarkhalaf@xxxxxxxxx>

On Thu, 8 Aug 2019 at 12:24, Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> wrote:
>
> In order to make it easier in subsequent patch to create different subcmu
> lists for exynos5420 and exynos5800 SoCs the code is rewritten so we pass
> an array of pointers to the subcmus initialization function.
>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
> ---
>  drivers/clk/samsung/clk-exynos5-subcmu.c | 16 +++----
>  drivers/clk/samsung/clk-exynos5-subcmu.h |  2 +-
>  drivers/clk/samsung/clk-exynos5250.c     |  7 ++-
>  drivers/clk/samsung/clk-exynos5420.c     | 60 ++++++++++++++----------
>  4 files changed, 49 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/clk/samsung/clk-exynos5-subcmu.c b/drivers/clk/samsung/clk-exynos5-subcmu.c
> index 91db7894125d..65c82d922b05 100644
> --- a/drivers/clk/samsung/clk-exynos5-subcmu.c
> +++ b/drivers/clk/samsung/clk-exynos5-subcmu.c
> @@ -14,7 +14,7 @@
>  #include "clk-exynos5-subcmu.h"
>
>  static struct samsung_clk_provider *ctx;
> -static const struct exynos5_subcmu_info *cmu;
> +static const struct exynos5_subcmu_info **cmu;
>  static int nr_cmus;
>
>  static void exynos5_subcmu_clk_save(void __iomem *base,
> @@ -56,17 +56,17 @@ static void exynos5_subcmu_defer_gate(struct samsung_clk_provider *ctx,
>   * when OF-core populates all device-tree nodes.
>   */
>  void exynos5_subcmus_init(struct samsung_clk_provider *_ctx, int _nr_cmus,
> -                         const struct exynos5_subcmu_info *_cmu)
> +                         const struct exynos5_subcmu_info **_cmu)
>  {
>         ctx = _ctx;
>         cmu = _cmu;
>         nr_cmus = _nr_cmus;
>
>         for (; _nr_cmus--; _cmu++) {
> -               exynos5_subcmu_defer_gate(ctx, _cmu->gate_clks,
> -                                         _cmu->nr_gate_clks);
> -               exynos5_subcmu_clk_save(ctx->reg_base, _cmu->suspend_regs,
> -                                       _cmu->nr_suspend_regs);
> +               exynos5_subcmu_defer_gate(ctx, (*_cmu)->gate_clks,
> +                                         (*_cmu)->nr_gate_clks);
> +               exynos5_subcmu_clk_save(ctx->reg_base, (*_cmu)->suspend_regs,
> +                                       (*_cmu)->nr_suspend_regs);
>         }
>  }
>
> @@ -163,9 +163,9 @@ static int __init exynos5_clk_probe(struct platform_device *pdev)
>                 if (of_property_read_string(np, "label", &name) < 0)
>                         continue;
>                 for (i = 0; i < nr_cmus; i++)
> -                       if (strcmp(cmu[i].pd_name, name) == 0)
> +                       if (strcmp(cmu[i]->pd_name, name) == 0)
>                                 exynos5_clk_register_subcmu(&pdev->dev,
> -                                                           &cmu[i], np);
> +                                                           cmu[i], np);
>         }
>         return 0;
>  }
> diff --git a/drivers/clk/samsung/clk-exynos5-subcmu.h b/drivers/clk/samsung/clk-exynos5-subcmu.h
> index 755ee8aaa3de..9ae5356f25aa 100644
> --- a/drivers/clk/samsung/clk-exynos5-subcmu.h
> +++ b/drivers/clk/samsung/clk-exynos5-subcmu.h
> @@ -21,6 +21,6 @@ struct exynos5_subcmu_info {
>  };
>
>  void exynos5_subcmus_init(struct samsung_clk_provider *ctx, int nr_cmus,
> -                         const struct exynos5_subcmu_info *cmu);
> +                         const struct exynos5_subcmu_info **cmu);
>
>  #endif
> diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
> index f2b896881768..931c70a4da19 100644
> --- a/drivers/clk/samsung/clk-exynos5250.c
> +++ b/drivers/clk/samsung/clk-exynos5250.c
> @@ -681,6 +681,10 @@ static const struct exynos5_subcmu_info exynos5250_disp_subcmu = {
>         .pd_name        = "DISP1",
>  };
>
> +static const struct exynos5_subcmu_info *exynos5250_subcmus[] = {
> +       &exynos5250_disp_subcmu,
> +};
> +
>  static const struct samsung_pll_rate_table vpll_24mhz_tbl[] __initconst = {
>         /* sorted in descending order */
>         /* PLL_36XX_RATE(rate, m, p, s, k) */
> @@ -843,7 +847,8 @@ static void __init exynos5250_clk_init(struct device_node *np)
>
>         samsung_clk_sleep_init(reg_base, exynos5250_clk_regs,
>                                ARRAY_SIZE(exynos5250_clk_regs));
> -       exynos5_subcmus_init(ctx, 1, &exynos5250_disp_subcmu);
> +       exynos5_subcmus_init(ctx, ARRAY_SIZE(exynos5250_subcmus),
> +                            exynos5250_subcmus);
>
>         samsung_clk_of_add_provider(np, ctx);
>
> diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
> index 01bca5a498b2..fdb17c799aa5 100644
> --- a/drivers/clk/samsung/clk-exynos5420.c
> +++ b/drivers/clk/samsung/clk-exynos5420.c
> @@ -1281,32 +1281,40 @@ static struct exynos5_subcmu_reg_dump exynos5x_mfc_suspend_regs[] = {
>         { DIV4_RATIO, 0, 0x3 },                 /* DIV dout_mfc_blk */
>  };
>
> -static const struct exynos5_subcmu_info exynos5x_subcmus[] = {
> -       {
> -               .div_clks       = exynos5x_disp_div_clks,
> -               .nr_div_clks    = ARRAY_SIZE(exynos5x_disp_div_clks),
> -               .gate_clks      = exynos5x_disp_gate_clks,
> -               .nr_gate_clks   = ARRAY_SIZE(exynos5x_disp_gate_clks),
> -               .suspend_regs   = exynos5x_disp_suspend_regs,
> -               .nr_suspend_regs = ARRAY_SIZE(exynos5x_disp_suspend_regs),
> -               .pd_name        = "DISP",
> -       }, {
> -               .div_clks       = exynos5x_gsc_div_clks,
> -               .nr_div_clks    = ARRAY_SIZE(exynos5x_gsc_div_clks),
> -               .gate_clks      = exynos5x_gsc_gate_clks,
> -               .nr_gate_clks   = ARRAY_SIZE(exynos5x_gsc_gate_clks),
> -               .suspend_regs   = exynos5x_gsc_suspend_regs,
> -               .nr_suspend_regs = ARRAY_SIZE(exynos5x_gsc_suspend_regs),
> -               .pd_name        = "GSC",
> -       }, {
> -               .div_clks       = exynos5x_mfc_div_clks,
> -               .nr_div_clks    = ARRAY_SIZE(exynos5x_mfc_div_clks),
> -               .gate_clks      = exynos5x_mfc_gate_clks,
> -               .nr_gate_clks   = ARRAY_SIZE(exynos5x_mfc_gate_clks),
> -               .suspend_regs   = exynos5x_mfc_suspend_regs,
> -               .nr_suspend_regs = ARRAY_SIZE(exynos5x_mfc_suspend_regs),
> -               .pd_name        = "MFC",
> -       },
> +static const struct exynos5_subcmu_info exynos5x_disp_subcmu = {
> +       .div_clks       = exynos5x_disp_div_clks,
> +       .nr_div_clks    = ARRAY_SIZE(exynos5x_disp_div_clks),
> +       .gate_clks      = exynos5x_disp_gate_clks,
> +       .nr_gate_clks   = ARRAY_SIZE(exynos5x_disp_gate_clks),
> +       .suspend_regs   = exynos5x_disp_suspend_regs,
> +       .nr_suspend_regs = ARRAY_SIZE(exynos5x_disp_suspend_regs),
> +       .pd_name        = "DISP",
> +};
> +
> +static const struct exynos5_subcmu_info exynos5x_gsc_subcmu = {
> +       .div_clks       = exynos5x_gsc_div_clks,
> +       .nr_div_clks    = ARRAY_SIZE(exynos5x_gsc_div_clks),
> +       .gate_clks      = exynos5x_gsc_gate_clks,
> +       .nr_gate_clks   = ARRAY_SIZE(exynos5x_gsc_gate_clks),
> +       .suspend_regs   = exynos5x_gsc_suspend_regs,
> +       .nr_suspend_regs = ARRAY_SIZE(exynos5x_gsc_suspend_regs),
> +       .pd_name        = "GSC",
> +};
> +
> +static const struct exynos5_subcmu_info exynos5x_mfc_subcmu = {
> +       .div_clks       = exynos5x_mfc_div_clks,
> +       .nr_div_clks    = ARRAY_SIZE(exynos5x_mfc_div_clks),
> +       .gate_clks      = exynos5x_mfc_gate_clks,
> +       .nr_gate_clks   = ARRAY_SIZE(exynos5x_mfc_gate_clks),
> +       .suspend_regs   = exynos5x_mfc_suspend_regs,
> +       .nr_suspend_regs = ARRAY_SIZE(exynos5x_mfc_suspend_regs),
> +       .pd_name        = "MFC",
> +};
> +
> +static const struct exynos5_subcmu_info *exynos5x_subcmus[] = {
> +       &exynos5x_disp_subcmu,
> +       &exynos5x_gsc_subcmu,
> +       &exynos5x_mfc_subcmu,
>  };
>
>  static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __initconst = {
> --
> 2.17.1
>
>
>



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