clk_get_parent(9)

1CLK_GET_PARENT(9)               Clock Framework              CLK_GET_PARENT(9)
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NAME

6       clk_get_parent - get the parent clock source for this clock
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9       struct clk * clk_get_parent(struct clk * clk);
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12       clk
13           clock source
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16       Returns struct clk corresponding to parent clock source, or valid
17       IS_ERR condition containing errno.
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20Kernel Hackers Manual 3.10         June 2019                 CLK_GET_PARENT(9)