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-rw-r--r--drivers/clk/rockchip/clk-ddr.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/clk/rockchip/clk-ddr.c b/drivers/clk/rockchip/clk-ddr.c
index e8075359366b..ebce5260068b 100644
--- a/drivers/clk/rockchip/clk-ddr.c
+++ b/drivers/clk/rockchip/clk-ddr.c
@@ -80,16 +80,12 @@ static long rockchip_ddrclk_sip_round_rate(struct clk_hw *hw,
80static u8 rockchip_ddrclk_get_parent(struct clk_hw *hw) 80static u8 rockchip_ddrclk_get_parent(struct clk_hw *hw)
81{ 81{
82 struct rockchip_ddrclk *ddrclk = to_rockchip_ddrclk_hw(hw); 82 struct rockchip_ddrclk *ddrclk = to_rockchip_ddrclk_hw(hw);
83 int num_parents = clk_hw_get_num_parents(hw);
84 u32 val; 83 u32 val;
85 84
86 val = clk_readl(ddrclk->reg_base + 85 val = clk_readl(ddrclk->reg_base +
87 ddrclk->mux_offset) >> ddrclk->mux_shift; 86 ddrclk->mux_offset) >> ddrclk->mux_shift;
88 val &= GENMASK(ddrclk->mux_width - 1, 0); 87 val &= GENMASK(ddrclk->mux_width - 1, 0);
89 88
90 if (val >= num_parents)
91 return -EINVAL;
92
93 return val; 89 return val;
94} 90}
95 91