Messages in this thread | | | From | Miles Chen <> | Subject | Re: [PATCH 15/31] clk: mediatek: Implement mtk_clk_unregister_fixed_clks() API | Date | Wed, 26 Jan 2022 14:55:32 +0800 |
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> mtk_clk_register_fixed_clks(), as the name suggests, is used to register > a given list of fixed rate clks. However it is lacking a counterpart > unregister API. > > Implement said unregister API so that the various clock platform drivers > can utilize it to do proper unregistration, cleanup and removal. > > In the header file, the register function's declaration is also > reformatted to fit code style guidelines. > > Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> >
Reviewed-by: Miles Chen <miles.chen@mediatek.com> > --- > drivers/clk/mediatek/clk-mtk.c | 20 ++++++++++++++++++++ > drivers/clk/mediatek/clk-mtk.h | 6 ++++-- > 2 files changed, 24 insertions(+), 2 deletions(-) > > diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c > index 0c5db3c71fdd..7c0d5706eed7 100644 > --- a/drivers/clk/mediatek/clk-mtk.c > +++ b/drivers/clk/mediatek/clk-mtk.c > @@ -80,6 +80,26 @@ void mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks, > } > EXPORT_SYMBOL_GPL(mtk_clk_register_fixed_clks); > > +void mtk_clk_unregister_fixed_clks(const struct mtk_fixed_clk *clks, int num, > + struct clk_onecell_data *clk_data) > +{ > + int i; > + > + if (!clk_data) > + return; > + > + for (i = num; i > 0; i--) { > + const struct mtk_fixed_clk *rc = &clks[i - 1]; > + > + if (IS_ERR_OR_NULL(clk_data->clks[rc->id])) > + continue; > + > + clk_unregister_fixed_rate(clk_data->clks[rc->id]); > + clk_data->clks[rc->id] = ERR_PTR(-ENOENT); > + } > +} > +EXPORT_SYMBOL_GPL(mtk_clk_unregister_fixed_clks); > + > 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 168220f85489..cc7f920eabb4 100644 > --- a/drivers/clk/mediatek/clk-mtk.h > +++ b/drivers/clk/mediatek/clk-mtk.h > @@ -34,8 +34,10 @@ struct mtk_fixed_clk { > .rate = _rate, \ > } > > -void mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks, > - int num, struct clk_onecell_data *clk_data); > +void mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks, int num, > + struct clk_onecell_data *clk_data); > +void mtk_clk_unregister_fixed_clks(const struct mtk_fixed_clk *clks, int num, > + struct clk_onecell_data *clk_data); > > struct mtk_fixed_factor { > int id; > -- > 2.35.0.rc0.227.g00780c9af4-goog
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