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-rw-r--r--drivers/clk/imx/clk-pllv3.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c
index 7a6acc3e4a92..ed3a2df536ea 100644
--- a/drivers/clk/imx/clk-pllv3.c
+++ b/drivers/clk/imx/clk-pllv3.c
@@ -234,6 +234,7 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long max_rate = parent_rate * 54;
u32 div;
u32 mfn, mfd = 1000000;
+ u32 max_mfd = 0x3FFFFFFF;
u64 temp64;
if (rate > max_rate)
@@ -241,6 +242,9 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate,
else if (rate < min_rate)
rate = min_rate;
+ if (parent_rate <= max_mfd)
+ mfd = parent_rate;
+
div = rate / parent_rate;
temp64 = (u64) (rate - div * parent_rate);
temp64 *= mfd;
@@ -262,11 +266,15 @@ static int clk_pllv3_av_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long max_rate = parent_rate * 54;
u32 val, div;
u32 mfn, mfd = 1000000;
+ u32 max_mfd = 0x3FFFFFFF;
u64 temp64;
if (rate < min_rate || rate > max_rate)
return -EINVAL;
+ if (parent_rate <= max_mfd)
+ mfd = parent_rate;
+
div = rate / parent_rate;
temp64 = (u64) (rate - div * parent_rate);
temp64 *= mfd;