diff options
| -rw-r--r-- | drivers/clk/mediatek/clk-mux.c | 35 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-mux.h | 3 |
2 files changed, 38 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mux.c b/drivers/clk/mediatek/clk-mux.c index 89f23e111d91..6f0c22a699c3 100644 --- a/drivers/clk/mediatek/clk-mux.c +++ b/drivers/clk/mediatek/clk-mux.c @@ -164,6 +164,21 @@ static struct clk *mtk_clk_register_mux(const struct mtk_mux *mux, return clk; } +static void mtk_clk_unregister_mux(struct clk *clk) +{ + struct mtk_clk_mux *mux; + struct clk_hw *hw; + + hw = __clk_get_hw(clk); + if (!hw) + return; + + mux = to_mtk_clk_mux(hw); + + clk_unregister(clk); + kfree(mux); +} + int mtk_clk_register_muxes(const struct mtk_mux *muxes, int num, struct device_node *node, spinlock_t *lock, @@ -198,4 +213,24 @@ int mtk_clk_register_muxes(const struct mtk_mux *muxes, } EXPORT_SYMBOL_GPL(mtk_clk_register_muxes); +void mtk_clk_unregister_muxes(const struct mtk_mux *muxes, int num, + struct clk_onecell_data *clk_data) +{ + int i; + + if (!clk_data) + return; + + for (i = num; i > 0; i--) { + const struct mtk_mux *mux = &muxes[i - 1]; + + if (IS_ERR_OR_NULL(clk_data->clks[mux->id])) + continue; + + mtk_clk_unregister_mux(clk_data->clks[mux->id]); + clk_data->clks[mux->id] = ERR_PTR(-ENOENT); + } +} +EXPORT_SYMBOL_GPL(mtk_clk_unregister_muxes); + MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-mux.h b/drivers/clk/mediatek/clk-mux.h index 27841d649118..cb2ac4f04c58 100644 --- a/drivers/clk/mediatek/clk-mux.h +++ b/drivers/clk/mediatek/clk-mux.h @@ -88,4 +88,7 @@ int mtk_clk_register_muxes(const struct mtk_mux *muxes, spinlock_t *lock, struct clk_onecell_data *clk_data); +void mtk_clk_unregister_muxes(const struct mtk_mux *muxes, int num, + struct clk_onecell_data *clk_data); + #endif /* __DRV_CLK_MTK_MUX_H */ |