tree e5c0a0da6472c586f404e0d41ea223d3fdee4b74
parent af609e3764ea3ed7c0ccad8e57f9d9671c81c3e8
author Bo Shen <voice.shen@gmail.com> 1507009679 -0700
committer Tom Rini <trini@konsulko.com> 1507493996 -0400

ARM: stm32f7: fix prescaler calculation of timer

As the timer 2 is on APB1 bus, the maximum of clock frequency of APB1 timer
clock is half of SYSCLK. Then to calculate the timer prescaler for timer 2
which need to be divided by 2.

Signed-off-by: Bo Shen <voice.shen@gmail.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>