speed up calculation by merging two divisions into one.
Signed-off-by: Lynn Lei <[email protected]>
---
drivers/staging/sm750fb/ddk750_chip.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/sm750fb/ddk750_chip.c
b/drivers/staging/sm750fb/ddk750_chip.c
index c51761221131..5970c3792f27 100644
--- a/drivers/staging/sm750fb/ddk750_chip.c
+++ b/drivers/staging/sm750fb/ddk750_chip.c
@@ -44,7 +44,7 @@ static unsigned int get_mxclk_freq(void)
OD = (pll_reg & PLL_CTRL_OD_MASK) >> PLL_CTRL_OD_SHIFT;
POD = (pll_reg & PLL_CTRL_POD_MASK) >> PLL_CTRL_POD_SHIFT;
- return DEFAULT_INPUT_CLOCK * M / N / (1 << OD) / (1 << POD);
+ return DEFAULT_INPUT_CLOCK * M / N / (1 << (OD + POD));
}
/*
--
2.13.2
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