clk: sunxi: tcon-ch1: Do not return a negative error in get_parent

get_parent is supposed to return an unsigned 8 bit integer, so returning
-EINVAL is a bad idea.

Remove it.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Maxime Ripard 2016-05-11 20:57:44 +02:00
parent 1a695a905c
commit 4de2d58bc9

View File

@ -85,9 +85,6 @@ static u8 tcon_ch1_get_parent(struct clk_hw *hw)
reg = readl(tclk->reg) >> TCON_CH1_SCLK2_MUX_SHIFT; reg = readl(tclk->reg) >> TCON_CH1_SCLK2_MUX_SHIFT;
reg &= reg >> TCON_CH1_SCLK2_MUX_MASK; reg &= reg >> TCON_CH1_SCLK2_MUX_MASK;
if (reg >= num_parents)
return -EINVAL;
return reg; return reg;
} }