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ti814x: Fix illegal use of FP ops in clock_ti814x.c

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The function pll_sigma_delta_val uses "float" data which is not correct.
The exact "why" of this mangling is lost to history, but this changes us
to equivalent non-FP math to get the same results.

Reported-by: Wolfgang Denk <wd@denx.de>
Acked-by: Matt Porter <mporter@linaro.org>
This commit is contained in:
Måns Rullgård 2013-10-28 23:19:53 +00:00 • committed by Tom Rini
parent 4f80d5ba8e
commit 11f2968706
1 changed files with 1 additions and 4 deletions
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5
arch/arm/cpu/armv7/am33xx/clock_ti814x.c
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@ -211,11 +211,8 @@ static u32 pll_dco_freq_sel(u32 clkout_dco)
static u32 pll_sigma_delta_val(u32 clkout_dco) static u32 pll_sigma_delta_val(u32 clkout_dco)
{ {
u32 sig_val = 0; u32 sig_val = 0;
float frac_div;
frac_div = (float) clkout_dco / 250; sig_val = (clkout_dco + 225) / 250;
frac_div = frac_div + 0.90;
sig_val = (int)frac_div;
sig_val = sig_val << 24; sig_val = sig_val << 24;
return sig_val; return sig_val;