diff options
| -rw-r--r-- | drivers/clk/mediatek/clk-gate.c | 35 | ||||
| -rw-r--r-- | drivers/clk/mediatek/clk-gate.h | 3 |
2 files changed, 38 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c index e51cfd8c653c..ed1ad5535d41 100644 --- a/drivers/clk/mediatek/clk-gate.c +++ b/drivers/clk/mediatek/clk-gate.c @@ -193,6 +193,21 @@ static struct clk *mtk_clk_register_gate(const char *name, return clk; } +static void mtk_clk_unregister_gate(struct clk *clk) +{ + struct mtk_clk_gate *cg; + struct clk_hw *hw; + + hw = __clk_get_hw(clk); + if (!hw) + return; + + cg = to_mtk_clk_gate(hw); + + clk_unregister(clk); + kfree(cg); +} + int mtk_clk_register_gates_with_dev(struct device_node *node, const struct mtk_gate *clks, int num, struct clk_onecell_data *clk_data, @@ -244,4 +259,24 @@ int mtk_clk_register_gates(struct device_node *node, } EXPORT_SYMBOL_GPL(mtk_clk_register_gates); +void mtk_clk_unregister_gates(const struct mtk_gate *clks, int num, + struct clk_onecell_data *clk_data) +{ + int i; + + if (!clk_data) + return; + + for (i = num; i > 0; i--) { + const struct mtk_gate *gate = &clks[i - 1]; + + if (IS_ERR_OR_NULL(clk_data->clks[gate->id])) + continue; + + mtk_clk_unregister_gate(clk_data->clks[gate->id]); + clk_data->clks[gate->id] = ERR_PTR(-ENOENT); + } +} +EXPORT_SYMBOL_GPL(mtk_clk_unregister_gates); + MODULE_LICENSE("GPL"); diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h index 3d75521ba20c..344adffb6578 100644 --- a/drivers/clk/mediatek/clk-gate.h +++ b/drivers/clk/mediatek/clk-gate.h @@ -55,4 +55,7 @@ int mtk_clk_register_gates_with_dev(struct device_node *node, struct clk_onecell_data *clk_data, struct device *dev); +void mtk_clk_unregister_gates(const struct mtk_gate *clks, int num, + struct clk_onecell_data *clk_data); + #endif /* __DRV_CLK_GATE_H */ |