diff options
| -rw-r--r-- | drivers/clk/clk-gpio.c | 52 | ||||
| -rw-r--r-- | include/linux/clk-provider.h | 8 |
2 files changed, 49 insertions, 11 deletions
diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c index 08f65acc5d57..86b245746a6b 100644 --- a/drivers/clk/clk-gpio.c +++ b/drivers/clk/clk-gpio.c @@ -94,13 +94,13 @@ const struct clk_ops clk_gpio_mux_ops = { }; EXPORT_SYMBOL_GPL(clk_gpio_mux_ops); -static struct clk *clk_register_gpio(struct device *dev, const char *name, +static struct clk_hw *clk_register_gpio(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned gpio, bool active_low, unsigned long flags, const struct clk_ops *clk_gpio_ops) { struct clk_gpio *clk_gpio; - struct clk *clk; + struct clk_hw *hw; struct clk_init_data init = {}; unsigned long gpio_flags; int err; @@ -141,24 +141,26 @@ static struct clk *clk_register_gpio(struct device *dev, const char *name, clk_gpio->gpiod = gpio_to_desc(gpio); clk_gpio->hw.init = &init; + hw = &clk_gpio->hw; if (dev) - clk = devm_clk_register(dev, &clk_gpio->hw); + err = devm_clk_hw_register(dev, hw); else - clk = clk_register(NULL, &clk_gpio->hw); + err = clk_hw_register(NULL, hw); - if (!IS_ERR(clk)) - return clk; + if (!err) + return hw; if (!dev) { gpiod_put(clk_gpio->gpiod); kfree(clk_gpio); } - return clk; + return ERR_PTR(err); } /** - * clk_register_gpio_gate - register a gpio clock gate with the clock framework + * clk_hw_register_gpio_gate - register a gpio clock gate with the clock + * framework * @dev: device that is registering this clock * @name: name of this clock * @parent_name: name of this clock's parent @@ -166,7 +168,7 @@ static struct clk *clk_register_gpio(struct device *dev, const char *name, * @active_low: true if gpio should be set to 0 to enable clock * @flags: clock flags */ -struct clk *clk_register_gpio_gate(struct device *dev, const char *name, +struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name, const char *parent_name, unsigned gpio, bool active_low, unsigned long flags) { @@ -175,10 +177,24 @@ struct clk *clk_register_gpio_gate(struct device *dev, const char *name, (parent_name ? 1 : 0), gpio, active_low, flags, &clk_gpio_gate_ops); } +EXPORT_SYMBOL_GPL(clk_hw_register_gpio_gate); + +struct clk *clk_register_gpio_gate(struct device *dev, const char *name, + const char *parent_name, unsigned gpio, bool active_low, + unsigned long flags) +{ + struct clk_hw *hw; + + hw = clk_hw_register_gpio_gate(dev, name, parent_name, gpio, active_low, + flags); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; +} EXPORT_SYMBOL_GPL(clk_register_gpio_gate); /** - * clk_register_gpio_mux - register a gpio clock mux with the clock framework + * clk_hw_register_gpio_mux - register a gpio clock mux with the clock framework * @dev: device that is registering this clock * @name: name of this clock * @parent_names: names of this clock's parents @@ -187,7 +203,7 @@ EXPORT_SYMBOL_GPL(clk_register_gpio_gate); * @active_low: true if gpio should be set to 0 to enable clock * @flags: clock flags */ -struct clk *clk_register_gpio_mux(struct device *dev, const char *name, +struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned gpio, bool active_low, unsigned long flags) { @@ -199,6 +215,20 @@ struct clk *clk_register_gpio_mux(struct device *dev, const char *name, return clk_register_gpio(dev, name, parent_names, num_parents, gpio, active_low, flags, &clk_gpio_mux_ops); } +EXPORT_SYMBOL_GPL(clk_hw_register_gpio_mux); + +struct clk *clk_register_gpio_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags) +{ + struct clk_hw *hw; + + hw = clk_hw_register_gpio_mux(dev, name, parent_names, num_parents, + gpio, active_low, flags); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; +} EXPORT_SYMBOL_GPL(clk_register_gpio_mux); static int gpio_clk_driver_probe(struct platform_device *pdev) diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 456c3ced1ac9..6c36c5e8ccbe 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -667,6 +667,10 @@ extern const struct clk_ops clk_gpio_gate_ops; struct clk *clk_register_gpio_gate(struct device *dev, const char *name, const char *parent_name, unsigned gpio, bool active_low, unsigned long flags); +struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name, + const char *parent_name, unsigned gpio, bool active_low, + unsigned long flags); +void clk_hw_unregister_gpio_gate(struct clk_hw *hw); /** * struct clk_gpio_mux - gpio controlled clock multiplexer @@ -682,6 +686,10 @@ extern const struct clk_ops clk_gpio_mux_ops; struct clk *clk_register_gpio_mux(struct device *dev, const char *name, const char * const *parent_names, u8 num_parents, unsigned gpio, bool active_low, unsigned long flags); +struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, const char *name, + const char * const *parent_names, u8 num_parents, unsigned gpio, + bool active_low, unsigned long flags); +void clk_hw_unregister_gpio_mux(struct clk_hw *hw); /** * clk_register - allocate a new clock, register it and return an opaque cookie |