Messages in this thread Patch in this message | | | From | Enric Balletbo i Serra <> | Subject | [PATCH] clk: rockchip: Fix static checker warning in rockchip_ddrclk_get_parent call | Date | Tue, 16 Oct 2018 15:41:44 +0200 |
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Fixes the signedness bug returning '(-22)' on the return type by removing the sanity checker in rockchip_ddrclk_get_parent(). The function should return and unsigned value only and it's safe to remove the sanity checker as the core functions that call get_parent like clk_core_get_parent_by_index already ensures the validity of the clk index returned (index >= core->num_parents).
Fixes: a4f182bf81f18 ("clk: rockchip: add new clock-type for the ddrclk") Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> ---
drivers/clk/rockchip/clk-ddr.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/drivers/clk/rockchip/clk-ddr.c b/drivers/clk/rockchip/clk-ddr.c index de00590af167..fd5c90371dbf 100644 --- a/drivers/clk/rockchip/clk-ddr.c +++ b/drivers/clk/rockchip/clk-ddr.c @@ -185,16 +185,12 @@ rockchip_ddrclk_sip_recalc_rate(struct clk_hw *hw, static u8 rockchip_ddrclk_get_parent(struct clk_hw *hw) { struct rockchip_ddrclk *ddrclk = to_rockchip_ddrclk_hw(hw); - int num_parents = clk_hw_get_num_parents(hw); u32 val; val = clk_readl(ddrclk->reg_base + ddrclk->mux_offset) >> ddrclk->mux_shift; val &= GENMASK(ddrclk->mux_width - 1, 0); - if (val >= num_parents) - return -EINVAL; - return val; } -- 2.19.1
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