On Fri, 22 Feb 2013 16:02:28 +0100
Peter De Schrijver <pdeschrijver@xxxxxxxxxx> wrote:
> Add a table lookup feature to the mux clock. Also allow arbitrary masks
> instead of the width. This will be used by some clocks on Tegra114.
>
> Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
....
> @@ -42,7 +43,17 @@ static u8 clk_mux_get_parent(struct clk_hw *hw)
> * val = 0x4 really means "bit 2, index starts at bit 0"
> */
....
> + if (mux->table) {
> + int i;
> +
> + for (i = 0; i < num_parents; i++)
> + if (mux->table[i] == val)
> + return i;
> + if (i == num_parents)
> + return -EINVAL;
> + }
Can't we just return after for-loop without checking i == num_parents as below?
+ for (i = 0; i < num_parents; i++) {
+ if (mux->table[i] == val)
+ return i;
+ }
+
+ return -EINVAL;
--
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