From: Ye Li <ye...@nxp.com>
The num/denom is a float value, but in the calculation it is convert
to integer 0, and wrong result.
Signed-off-by: Ye Li <ye...@nxp.com>
Signed-off-by: Peng Fan <peng....@nxp.com>
Cc: Stefano Babic <sba...@denx.de>
---
arch/arm/cpu/armv7/mx7ulp/scg.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv7/mx7ulp/scg.c b/arch/arm/cpu/armv7/mx7ulp/scg.c
index ca8252d..c117af0 100644
--- a/arch/arm/cpu/armv7/mx7ulp/scg.c
+++ b/arch/arm/cpu/armv7/mx7ulp/scg.c
@@ -504,7 +504,9 @@ u32 decode_pll(enum pll_clocks pll)
num = readl(&scg1_regs->spllnum);
denom = readl(&scg1_regs->splldenom);
- return (infreq / pre_div) * (mult + num / denom);
+ infreq = infreq / pre_div;
+
+ return infreq * mult + infreq * num / denom;
case PLL_A7_APLL:
reg = readl(&scg1_regs->apllcsr);
@@ -531,7 +533,9 @@ u32 decode_pll(enum pll_clocks pll)
num = readl(&scg1_regs->apllnum);
denom = readl(&scg1_regs->aplldenom);
- return (infreq / pre_div) * (mult + num / denom);
+ infreq = infreq / pre_div;
+
+ return infreq * mult + infreq * num / denom;
case PLL_USB:
reg = readl(&scg1_regs->upllcsr);
--
2.6.2
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