From e4c23e19aa2a611c2068f7c55487d2cbfea690ef Mon Sep 17 00:00:00 2001 From: Weiyi Lu Date: Mon, 2 Sep 2019 17:00:57 +0800 Subject: [PATCH] clk: mediatek: Register clock gate with device Allow those clocks under a power domain to do the runtime pm operation by forwarding the struct device pointer from clock provider. Signed-off-by: Weiyi Lu Link: https://lkml.kernel.org/r/1567414859-3244-2-git-send-email-weiyi.lu@mediatek.com Signed-off-by: Stephen Boyd --- drivers/clk/mediatek/clk-gate.c | 5 +++-- drivers/clk/mediatek/clk-gate.h | 3 ++- drivers/clk/mediatek/clk-mtk.c | 16 +++++++++++++--- drivers/clk/mediatek/clk-mtk.h | 5 +++++ 4 files changed, 23 insertions(+), 6 deletions(-) diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c index 803bf0ae1fd6..a35cf0b22150 100644 --- a/drivers/clk/mediatek/clk-gate.c +++ b/drivers/clk/mediatek/clk-gate.c @@ -150,7 +150,8 @@ struct clk *mtk_clk_register_gate( int sta_ofs, u8 bit, const struct clk_ops *ops, - unsigned long flags) + unsigned long flags, + struct device *dev) { struct mtk_clk_gate *cg; struct clk *clk; @@ -174,7 +175,7 @@ struct clk *mtk_clk_register_gate( cg->hw.init = &init; - clk = clk_register(NULL, &cg->hw); + clk = clk_register(dev, &cg->hw); if (IS_ERR(clk)) kfree(cg); diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h index e05c73697485..3c3329ec54b7 100644 --- a/drivers/clk/mediatek/clk-gate.h +++ b/drivers/clk/mediatek/clk-gate.h @@ -40,7 +40,8 @@ struct clk *mtk_clk_register_gate( int sta_ofs, u8 bit, const struct clk_ops *ops, - unsigned long flags); + unsigned long flags, + struct device *dev); #define GATE_MTK_FLAGS(_id, _name, _parent, _regs, _shift, \ _ops, _flags) { \ diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c index d28790c74919..cec1c8a27211 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "clk-mtk.h" #include "clk-gate.h" @@ -93,9 +94,10 @@ void mtk_clk_register_factors(const struct mtk_fixed_factor *clks, } } -int mtk_clk_register_gates(struct device_node *node, +int mtk_clk_register_gates_with_dev(struct device_node *node, const struct mtk_gate *clks, - int num, struct clk_onecell_data *clk_data) + int num, struct clk_onecell_data *clk_data, + struct device *dev) { int i; struct clk *clk; @@ -122,7 +124,7 @@ int mtk_clk_register_gates(struct device_node *node, gate->regs->set_ofs, gate->regs->clr_ofs, gate->regs->sta_ofs, - gate->shift, gate->ops, gate->flags); + gate->shift, gate->ops, gate->flags, dev); if (IS_ERR(clk)) { pr_err("Failed to register clk %s: %ld\n", @@ -136,6 +138,14 @@ int mtk_clk_register_gates(struct device_node *node, return 0; } +int mtk_clk_register_gates(struct device_node *node, + const struct mtk_gate *clks, + int num, struct clk_onecell_data *clk_data) +{ + return mtk_clk_register_gates_with_dev(node, + clks, num, clk_data, NULL); +} + struct clk *mtk_clk_register_composite(const struct mtk_composite *mc, void __iomem *base, spinlock_t *lock) { diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h index 2e9e26084798..c3d6756b0c7e 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -169,6 +169,11 @@ int mtk_clk_register_gates(struct device_node *node, const struct mtk_gate *clks, int num, struct clk_onecell_data *clk_data); +int mtk_clk_register_gates_with_dev(struct device_node *node, + const struct mtk_gate *clks, + int num, struct clk_onecell_data *clk_data, + struct device *dev); + struct mtk_clk_divider { int id; const char *name;