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clk: Inform the core about consumer devices

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We'd like to have a pointer to the device that's consuming a particular
clk in the clk framework so we can link the consumer to the clk provider
with a PM device link. Add a device argument to clk_hw_create_clk() for
this so it can be used in subsequent patches to add and remove the link.

Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Jerome Brunet <jbrunet@baylibre.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Michael Turquette <mturquette@baylibre.com>
Cc: Jeffrey Hugo <jhugo@codeaurora.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Stephen Boyd
2018-12-11 08:34:16 -08:00
parent 4472287a3b
commit efa850487a
3 changed files with 21 additions and 9 deletions
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7
drivers/clk/clk.h
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@@ -5,6 +5,8 @@
*/
struct clk_hw;
struct device;
struct of_phandle_args;
#if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK)
int of_parse_clkspec(const struct device_node *np, int index, const char *name,
@@ -13,13 +15,14 @@ struct clk_hw *of_clk_get_hw_from_clkspec(struct of_phandle_args *clkspec);
#endif
#ifdef CONFIG_COMMON_CLK
struct clk *clk_hw_create_clk(struct clk_hw *hw,
struct clk *clk_hw_create_clk(struct device *dev, struct clk_hw *hw,
const char *dev_id, const char *con_id);
void __clk_put(struct clk *clk);
#else
/* All these casts to avoid ifdefs in clkdev... */
static inline struct clk *
clk_hw_create_clk(struct clk_hw *hw, const char *dev_id, const char *con_id)
clk_hw_create_clk(struct device *dev, struct clk_hw *hw, const char *dev_id,
const char *con_id)
{
return (struct clk *)hw;
}