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clk: refactor clk_get_by_index() into clk_get_by_indexed_prop()

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The logic in clk_get_by_index() may be useful for other properties
than 'clocks': e.g. 'assigned-clocks' and 'assigned-clock-parents'
follows the same model.

This commit refactors clk_get_by_index() by introducing an internal
function clk_get_by_indexed_prop() that allows to specify the name
of the property to process.  The original clk_get_by_index() call
is simply directed through this helper function with the property
name fixed to "clocks".

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Tested-by: David Wu <david.wu@rock-chips.com>

Series-changes: 2
- Fixed David's email address.
This commit is contained in:
Philipp Tomsich 2018-01-08 11:18:18 +01:00
parent f7d1046da1
commit 95f9a7e595
1 changed files with 8 additions and 2 deletions
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10
drivers/clk/clk-uclass.c
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@ -53,7 +53,8 @@ static int clk_of_xlate_default(struct clk *clk,
return 0;
}
int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
static int clk_get_by_indexed_prop(struct udevice *dev, const char *prop_name,
int index, struct clk *clk)
{
int ret;
struct ofnode_phandle_args args;
@ -65,7 +66,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
assert(clk);
clk->dev = NULL;
ret = dev_read_phandle_with_args(dev, "clocks", "#clock-cells", 0,
ret = dev_read_phandle_with_args(dev, prop_name, "#clock-cells", 0,
index, &args);
if (ret) {
debug("%s: fdtdec_parse_phandle_with_args failed: err=%d\n",
@ -95,6 +96,11 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
return clk_request(dev_clk, clk);
}
int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
{
return clk_get_by_indexed_prop(dev, "clocks", index, clk);
}
# endif /* OF_PLATDATA */
int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk)