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clk: composite: Add unregister function

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The composite clock didn't have any unregistration function, which forced
us to use clk_unregister directly on it.

While it was already not great from an API point of view, it also meant
that we were leaking the clk_composite structure allocated in
clk_register_composite.

Add a clk_unregister_composite function to fix this.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Maxime Ripard 2016-03-23 17:38:24 +01:00 committed by Stephen Boyd
parent f55532a0c0
commit 92a39d9043
2 changed files with 16 additions and 0 deletions
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15
drivers/clk/clk-composite.c
View File

@ -286,3 +286,18 @@ struct clk *clk_register_composite(struct device *dev, const char *name,
kfree(composite);
return clk;
}
void clk_unregister_composite(struct clk *clk)
{
struct clk_composite *composite;
struct clk_hw *hw;
hw = __clk_get_hw(clk);
if (!hw)
return;
composite = to_clk_composite(hw);
clk_unregister(clk);
kfree(composite);
}

1
include/linux/clk-provider.h
View File

@ -603,6 +603,7 @@ struct clk *clk_register_composite(struct device *dev, const char *name,
struct clk_hw *rate_hw, const struct clk_ops *rate_ops,
struct clk_hw *gate_hw, const struct clk_ops *gate_ops,
unsigned long flags);
void clk_unregister_composite(struct clk *clk);
/***
* struct clk_gpio_gate - gpio gated clock