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clk: Make clk_free return void

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Most callers of this function do not check the return value, and it is
unclear what action they should take if it fails. If a function is freeing
multiple clocks, it should not stop just because the first one failed.
Since the callbacks can no longer fail, just convert the return type to
void.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Link: https://lore.kernel.org/r/20220115222504.617013-8-seanga2@gmail.com
This commit is contained in:
Sean Anderson 2022-01-15 17:25:04 -05:00
parent 3cbdd4cab9
commit ac15e789ca
3 changed files with 11 additions and 16 deletions
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10
drivers/clk/clk-uclass.c
View file

@ -447,9 +447,7 @@ int clk_release_all(struct clk *clk, int count)
if (ret && ret != -ENOSYS)
return ret;
ret = clk_free(&clk[i]);
if (ret && ret != -ENOSYS)
return ret;
clk_free(&clk[i]);
}
return 0;
@ -472,18 +470,18 @@ int clk_request(struct udevice *dev, struct clk *clk)
return ops->request(clk);
}
int clk_free(struct clk *clk)
void clk_free(struct clk *clk)
{
const struct clk_ops *ops;
debug("%s(clk=%p)\n", __func__, clk);
if (!clk_valid(clk))
return 0;
return;
ops = clk_dev_ops(clk->dev);
if (ops->rfree)
ops->rfree(clk);
return 0;
return;
}
ulong clk_get_rate(struct clk *clk)

9
drivers/clk/clk_sandbox_test.c
View file

@ -137,14 +137,11 @@ int sandbox_clk_test_disable_bulk(struct udevice *dev)
int sandbox_clk_test_free(struct udevice *dev)
{
struct sandbox_clk_test *sbct = dev_get_priv(dev);
int i, ret;
int i;
devm_clk_put(dev, sbct->clkps[SANDBOX_CLK_TEST_ID_DEVM1]);
for (i = 0; i < SANDBOX_CLK_TEST_NON_DEVM_COUNT; i++) {
ret = clk_free(&sbct->clks[i]);
if (ret)
return ret;
}
for (i = 0; i < SANDBOX_CLK_TEST_NON_DEVM_COUNT; i++)
clk_free(&sbct->clks[i]);
return 0;
}

8
include/clk.h
View file

@ -414,9 +414,9 @@ int clk_request(struct udevice *dev, struct clk *clk);
* @clk: A clock struct that was previously successfully requested by
* clk_request/get_by_*().
*
* Return: 0 if OK, or a negative error code.
* Free resources allocated by clk_request() (or any clk_get_* function).
*/
int clk_free(struct clk *clk);
void clk_free(struct clk *clk);
/**
* clk_get_rate() - Get current clock rate.
@ -562,9 +562,9 @@ static inline int clk_request(struct udevice *dev, struct clk *clk)
return -ENOSYS;
}
static inline int clk_free(struct clk *clk)
static inline void clk_free(struct clk *clk)
{
return 0;
return;
}
static inline ulong clk_get_rate(struct clk *clk)