diff options
author | Stephen Boyd <sboyd@codeaurora.org> | 2016-02-07 11:11:06 +0300 |
---|---|---|
committer | Stephen Boyd <sboyd@codeaurora.org> | 2016-04-20 02:56:28 +0300 |
commit | 0759ac8a73dc2c8cc8ac697fbe5dbd8d67348d37 (patch) | |
tree | 10ffa8cd45a3d40af0b1dea5e1257930615d59c9 | |
parent | 264b31719735eb1fcbed47cecdb20f517e804856 (diff) | |
download | linux-0759ac8a73dc2c8cc8ac697fbe5dbd8d67348d37.tar.xz |
clk: fixed-factor: Add hw based registration APIs
Add registration APIs in the clk fixed-factor code to return
struct clk_hw pointers instead of struct clk pointers. This way
we hide the struct clk pointer from providers unless they need to
use consumer facing APIs.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
-rw-r--r-- | drivers/clk/clk-fixed-factor.c | 42 | ||||
-rw-r--r-- | include/linux/clk-provider.h | 4 |
2 files changed, 39 insertions, 7 deletions
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c index 053448e2453d..75cd6c792cb8 100644 --- a/drivers/clk/clk-fixed-factor.c +++ b/drivers/clk/clk-fixed-factor.c @@ -68,13 +68,14 @@ const struct clk_ops clk_fixed_factor_ops = { }; EXPORT_SYMBOL_GPL(clk_fixed_factor_ops); -struct clk *clk_register_fixed_factor(struct device *dev, const char *name, - const char *parent_name, unsigned long flags, +struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div) { struct clk_fixed_factor *fix; struct clk_init_data init; - struct clk *clk; + struct clk_hw *hw; + int ret; fix = kmalloc(sizeof(*fix), GFP_KERNEL); if (!fix) @@ -91,12 +92,28 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name, init.parent_names = &parent_name; init.num_parents = 1; - clk = clk_register(dev, &fix->hw); - - if (IS_ERR(clk)) + hw = &fix->hw; + ret = clk_hw_register(dev, hw); + if (ret) { kfree(fix); + hw = ERR_PTR(ret); + } + + return hw; +} +EXPORT_SYMBOL_GPL(clk_hw_register_fixed_factor); + +struct clk *clk_register_fixed_factor(struct device *dev, const char *name, + const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div) +{ + struct clk_hw *hw; - return clk; + hw = clk_hw_register_fixed_factor(dev, name, parent_name, flags, mult, + div); + if (IS_ERR(hw)) + return ERR_CAST(hw); + return hw->clk; } EXPORT_SYMBOL_GPL(clk_register_fixed_factor); @@ -113,6 +130,17 @@ void clk_unregister_fixed_factor(struct clk *clk) } EXPORT_SYMBOL_GPL(clk_unregister_fixed_factor); +void clk_hw_unregister_fixed_factor(struct clk_hw *hw) +{ + struct clk_fixed_factor *fix; + + fix = to_clk_fixed_factor(hw); + + clk_hw_unregister(hw); + kfree(fix); +} +EXPORT_SYMBOL_GPL(clk_hw_unregister_fixed_factor); + #ifdef CONFIG_OF /** * of_fixed_factor_clk_setup() - Setup function for simple fixed factor clock diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index d690d99b9c1c..79ad1a8a6831 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -525,6 +525,10 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); void clk_unregister_fixed_factor(struct clk *clk); +struct clk_hw *clk_hw_register_fixed_factor(struct device *dev, + const char *name, const char *parent_name, unsigned long flags, + unsigned int mult, unsigned int div); +void clk_hw_unregister_fixed_factor(struct clk_hw *hw); /** * struct clk_fractional_divider - adjustable fractional divider clock |