[RFC 11/17] clk: gpio: Switch to new clock controller API

From: Krzysztof Kozlowski
Date: Tue Aug 16 2016 - 09:39:21 EST


Allocate a clock controller and use new clk_register_with_ctrl() API.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
drivers/clk/clk-gpio.c | 29 +++++++++++++++++------------
include/linux/clk-provider.h | 12 ++++++++----
2 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
index 86b245746a6b..8ebd520c1aa0 100644
--- a/drivers/clk/clk-gpio.c
+++ b/drivers/clk/clk-gpio.c
@@ -94,7 +94,8 @@ const struct clk_ops clk_gpio_mux_ops = {
};
EXPORT_SYMBOL_GPL(clk_gpio_mux_ops);

-static struct clk_hw *clk_register_gpio(struct device *dev, const char *name,
+static struct clk_hw *clk_register_gpio(struct device *dev, struct clk_ctrl *ctrl,
+ 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)
@@ -168,25 +169,27 @@ static struct clk_hw *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_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name,
+struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, struct clk_ctrl *ctrl,
+ const char *name,
const char *parent_name, unsigned gpio, bool active_low,
unsigned long flags)
{
- return clk_register_gpio(dev, name,
+ return clk_register_gpio(dev, ctrl, name,
(parent_name ? &parent_name : NULL),
(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,
+struct clk *clk_register_gpio_gate(struct device *dev, struct clk_ctrl *ctrl,
+ 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);
+ hw = clk_hw_register_gpio_gate(dev, ctrl, name, parent_name, gpio,
+ active_low, flags);
if (IS_ERR(hw))
return ERR_CAST(hw);
return hw->clk;
@@ -203,7 +206,8 @@ 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_hw *clk_hw_register_gpio_mux(struct device *dev, const char *name,
+struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, struct clk_ctrl *ctrl,
+ const char *name,
const char * const *parent_names, u8 num_parents, unsigned gpio,
bool active_low, unsigned long flags)
{
@@ -212,18 +216,19 @@ struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, const char *name,
return ERR_PTR(-EINVAL);
}

- return clk_register_gpio(dev, name, parent_names, num_parents,
+ return clk_register_gpio(dev, ctrl, 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,
+struct clk *clk_register_gpio_mux(struct device *dev, struct clk_ctrl *ctrl,
+ 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,
+ hw = clk_hw_register_gpio_mux(dev, ctrl, name, parent_names, num_parents,
gpio, active_low, flags);
if (IS_ERR(hw))
return ERR_CAST(hw);
@@ -271,10 +276,10 @@ static int gpio_clk_driver_probe(struct platform_device *pdev)
active_low = of_flags & OF_GPIO_ACTIVE_LOW;

if (is_mux)
- clk = clk_register_gpio_mux(&pdev->dev, node->name,
+ clk = clk_register_gpio_mux(&pdev->dev, NULL, node->name,
parent_names, num_parents, gpio, active_low, 0);
else
- clk = clk_register_gpio_gate(&pdev->dev, node->name,
+ clk = clk_register_gpio_gate(&pdev->dev, NULL, node->name,
parent_names ? parent_names[0] : NULL, gpio,
active_low, 0);
if (IS_ERR(clk))
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 2bd0a8cb7a9c..c39760cba9ac 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -698,10 +698,12 @@ struct clk_gpio {
#define to_clk_gpio(_hw) container_of(_hw, struct clk_gpio, hw)

extern const struct clk_ops clk_gpio_gate_ops;
-struct clk *clk_register_gpio_gate(struct device *dev, const char *name,
+struct clk *clk_register_gpio_gate(struct device *dev, struct clk_ctrl *ctrl,
+ 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,
+struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, struct clk_ctrl *ctrl,
+ 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);
@@ -717,10 +719,12 @@ void clk_hw_unregister_gpio_gate(struct clk_hw *hw);
*/

extern const struct clk_ops clk_gpio_mux_ops;
-struct clk *clk_register_gpio_mux(struct device *dev, const char *name,
+struct clk *clk_register_gpio_mux(struct device *dev, struct clk_ctrl *ctrl,
+ 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,
+struct clk_hw *clk_hw_register_gpio_mux(struct device *dev, struct clk_ctrl *ctrl,
+ 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);
--
1.9.1