unsigned long *parent_rate)
{
unsigned int d, m, dout;
+ unsigned long long tmp;
axi_clkgen_calc_params(*parent_rate, rate, &d, &m, &dout);
if (d == 0 || dout == 0 || m == 0)
return -EINVAL;
- return *parent_rate / d * m / dout;
+ tmp = (unsigned long long)*parent_rate * m;
+ tmp = DIV_ROUND_CLOSEST_ULL(tmp, dout * d);
+
+ return min_t(unsigned long long, tmp, LONG_MAX);
}
static unsigned long axi_clkgen_recalc_rate(struct clk_hw *clk_hw,
if (d == 0 || dout == 0)
return 0;
- tmp = (unsigned long long)(parent_rate / d) * m;
- do_div(tmp, dout);
+ tmp = (unsigned long long)parent_rate * m;
+ tmp = DIV_ROUND_CLOSEST_ULL(tmp, dout * d);
return min_t(unsigned long long, tmp, ULONG_MAX);
}