On 4/12/2012 6:32 AM, Mike Turquette wrote:
> From: Shawn Guo <shawn....@linaro.org>
> 
> Besides the static initialization, the clk_ops of basic clks could
> also be used by particular clk type being subclass of the basic clks.
> 
> For example, clk_busy_divider has the same clk_ops as clk_divider,
> except it has to wait for a busy bit before return success with
> .set_rate.  clk_busy_divider will somehow reuse clk_ops of clk_divider.
> 
> Since clk-provider.h is included by clk-private.h, it's safe to move
> those clk_ops declaration of basic clks form  clk-private.h into
> clk-provider.h, so that implementation of clks like clk_busy_divider
> above do not need to include clk-private.h to access those clk_ops.
> 
> Signed-off-by: Shawn Guo <shawn....@linaro.org>
> Signed-off-by: Mike Turquette <mturque...@linaro.org>
> Cc: Arnd Bergman <arnd.bergm...@linaro.org>
> Cc: Olof Johansson <o...@lixom.net>
> Cc: Russell King <li...@arm.linux.org.uk>
> Cc: Sascha Hauer <s.ha...@pengutronix.de>
> Cc: Richard Zhao <richard.z...@linaro.org>
> Cc: Saravana Kannan <skan...@codeaurora.org>
> Cc: Mark Brown <broo...@opensource.wolfsonmicro.com>
> Cc: Andrew Lunn <and...@lunn.ch>
> Cc: Rajendra Nayak <rna...@ti.com>
> Cc: Viresh Kumar <viresh.ku...@st.com>
> ---
>  include/linux/clk-private.h  |    8 --------
>  include/linux/clk-provider.h |    4 ++++
>  2 files changed, 4 insertions(+), 8 deletions(-)
> 
> diff --git a/include/linux/clk-private.h b/include/linux/clk-private.h
> index 5f4ccd7..f19fee0 100644
> --- a/include/linux/clk-private.h
> +++ b/include/linux/clk-private.h
> @@ -55,8 +55,6 @@ struct clk {
>   * alternative macro for static initialization
>   */
>  
> -extern const struct clk_ops clk_fixed_rate_ops;
> -
>  #define DEFINE_CLK_FIXED_RATE(_name, _flags, _rate,          \
>                               _fixed_rate_flags)              \
>       static struct clk _name;                                \
> @@ -78,8 +76,6 @@ extern const struct clk_ops clk_fixed_rate_ops;
>               .flags = _flags,                                \
>       };
>  
> -extern const struct clk_ops clk_gate_ops;
> -
>  #define DEFINE_CLK_GATE(_name, _parent_name, _parent_ptr,    \
>                               _flags, _reg, _bit_idx,         \
>                               _gate_flags, _lock)             \
> @@ -110,8 +106,6 @@ extern const struct clk_ops clk_gate_ops;
>               .flags = _flags,                                \
>       };
>  
> -extern const struct clk_ops clk_divider_ops;
> -
>  #define DEFINE_CLK_DIVIDER(_name, _parent_name, _parent_ptr, \
>                               _flags, _reg, _shift, _width,   \
>                               _divider_flags, _lock)          \
> @@ -143,8 +137,6 @@ extern const struct clk_ops clk_divider_ops;
>               .flags = _flags,                                \
>       };
>  
> -extern const struct clk_ops clk_mux_ops;
> -
>  #define DEFINE_CLK_MUX(_name, _parent_names, _parents, _flags,       \
>                               _reg, _shift, _width,           \
>                               _mux_flags, _lock)              \
> diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
> index 5508897..6eb8e5d 100644
> --- a/include/linux/clk-provider.h
> +++ b/include/linux/clk-provider.h
> @@ -149,6 +149,7 @@ struct clk_fixed_rate {
>       u8              flags;
>  };
>  
> +extern const struct clk_ops clk_fixed_rate_ops;
>  struct clk *clk_register_fixed_rate(struct device *dev, const char *name,
>               const char *parent_name, unsigned long flags,
>               unsigned long fixed_rate);
> @@ -180,6 +181,7 @@ struct clk_gate {
>  
>  #define CLK_GATE_SET_TO_DISABLE              BIT(0)
>  
> +extern const struct clk_ops clk_gate_ops;
>  struct clk *clk_register_gate(struct device *dev, const char *name,
>               const char *parent_name, unsigned long flags,
>               void __iomem *reg, u8 bit_idx,
> @@ -218,6 +220,7 @@ struct clk_divider {
>  #define CLK_DIVIDER_ONE_BASED                BIT(0)
>  #define CLK_DIVIDER_POWER_OF_TWO     BIT(1)
>  
> +extern const struct clk_ops clk_divider_ops;
>  struct clk *clk_register_divider(struct device *dev, const char *name,
>               const char *parent_name, unsigned long flags,
>               void __iomem *reg, u8 shift, u8 width,
> @@ -252,6 +255,7 @@ struct clk_mux {
>  #define CLK_MUX_INDEX_ONE            BIT(0)
>  #define CLK_MUX_INDEX_BIT            BIT(1)
>  
> +extern const struct clk_ops clk_mux_ops;
>  struct clk *clk_register_mux(struct device *dev, const char *name,
>               char **parent_names, u8 num_parents, unsigned long flags,
>               void __iomem *reg, u8 shift, u8 width,

Reviewed-by: Viresh Kumar <viresh.ku...@st.com>

-- 
viresh

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