#define PWM_FROM_CNT(cnt) (0xff-(cnt))
#define PWM_TO_CNT(pwm) (0xff-(pwm))
-unsigned int rpm_from_cnt(u8 val, u32 clk, u16 div)
+static inline unsigned int rpm_from_cnt(u8 val, u32 clk, u16 div)
{
return ((val == 0x00) ? 0 : ((clk*30)/(val*div)));
}