[PATCH v4 1/7] clk: mediatek: Add fixed clocks support for Mediatek SoC.
Daniel Kurtz
djkurtz at chromium.org
Fri Jul 24 04:33:59 PDT 2015
Hi James,
On Fri, Jul 24, 2015 at 11:01 AM, James Liao <jamesjj.liao at mediatek.com> wrote:
> This patch adds fixed clocks support by using CCF fixed-rate
> clock implementation.
>
> Signed-off-by: James Liao <jamesjj.liao at mediatek.com>
> ---
> drivers/clk/mediatek/clk-mtk.c | 23 +++++++++++++++++++++++
> drivers/clk/mediatek/clk-mtk.h | 19 ++++++++++++++++++-
> 2 files changed, 41 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
> index 18444ae..f8307c3 100644
> --- a/drivers/clk/mediatek/clk-mtk.c
> +++ b/drivers/clk/mediatek/clk-mtk.c
> @@ -49,6 +49,29 @@ err_out:
> return NULL;
> }
>
> +void mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks, int num,
> + struct clk_onecell_data *clk_data)
void __init mtk_clk_register_fixed_clks(...
> +{
> + int i;
> + struct clk *clk;
> +
> + for (i = 0; i < num; i++) {
> + const struct mtk_fixed_clk *rc = &clks[i];
> +
> + clk = clk_register_fixed_rate(NULL, rc->name, rc->parent,
> + rc->parent ? 0 : CLK_IS_ROOT, rc->rate);
> +
> + if (IS_ERR(clk)) {
> + pr_err("Failed to register clk %s: %ld\n",
> + rc->name, PTR_ERR(clk));
> + continue;
> + }
> +
> + if (clk_data)
> + clk_data->clks[rc->id] = clk;
> + }
> +}
> +
> void mtk_clk_register_factors(const struct mtk_fixed_factor *clks, int num,
> struct clk_onecell_data *clk_data)
> {
> diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
> index 9dda9d8..f083dfc 100644
> --- a/drivers/clk/mediatek/clk-mtk.h
> +++ b/drivers/clk/mediatek/clk-mtk.h
> @@ -25,6 +25,23 @@
>
> #define MHZ (1000 * 1000)
>
> +struct mtk_fixed_clk {
> + int id;
> + const char *name;
> + const char *parent;
> + unsigned long rate;
> +};
> +
> +#define FIXED_CLK(_id, _name, _parent, _rate) { \
> + .id = _id, \
> + .name = _name, \
> + .parent = _parent, \
> + .rate = _rate, \
> + }
> +
> +void mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks,
> + int num, struct clk_onecell_data *clk_data);
> +
> struct mtk_fixed_factor {
> int id;
> const char *name;
> @@ -41,7 +58,7 @@ struct mtk_fixed_factor {
> .div = _div, \
> }
>
> -extern void mtk_clk_register_factors(const struct mtk_fixed_factor *clks,
> +void mtk_clk_register_factors(const struct mtk_fixed_factor *clks,
Technically, this hunk is unrelated and should probably be in its own patch.
Other than these two nits, this one is:
Reviewed-by: Daniel Kurtz <djkurtz at chromium.org>
> int num, struct clk_onecell_data *clk_data);
>
> struct mtk_composite {
> --
> 1.8.1.1.dirty
>
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