From: Ye Li ye.li@nxp.com
The num/denom is a float value, but in the calculation it is convert to integer 0, and cause the result wrong.
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/mach-imx/mx7ulp/scg.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-imx/mx7ulp/scg.c b/arch/arm/mach-imx/mx7ulp/scg.c index 85d726fe30..a28a2bc81b 100644 --- a/arch/arm/mach-imx/mx7ulp/scg.c +++ b/arch/arm/mach-imx/mx7ulp/scg.c @@ -503,7 +503,10 @@ u32 decode_pll(enum pll_clocks pll)
infreq = infreq / pre_div;
- return infreq * mult + infreq * num / denom; + if (denom) + return infreq * mult + infreq * num / denom; + else + return infreq * mult;
case PLL_A7_APLL: reg = readl(&scg1_regs->apllcsr); @@ -532,7 +535,10 @@ u32 decode_pll(enum pll_clocks pll)
infreq = infreq / pre_div;
- return infreq * mult + infreq * num / denom; + if (denom) + return infreq * mult + infreq * num / denom; + else + return infreq * mult;
case PLL_USB: reg = readl(&scg1_regs->upllcsr);