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Commit ed14d364 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Thierry Reding
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pwm: rcar: Simplify multiplication/shift logic


- Remove the superfluous cast; the multiplication will yield a 64-bit
    result due to the "100ULL" anyway,
  - "a * (1 << b)" == "a << b".

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: default avatarUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: default avatarThierry Reding <thierry.reding@gmail.com>
parent f4866732
No related merge requests found
......@@ -110,7 +110,7 @@ static int rcar_pwm_set_counter(struct rcar_pwm_chip *rp, int div, int duty_ns,
unsigned long clk_rate = clk_get_rate(rp->clk);
u32 cyc, ph;
one_cycle = (unsigned long long)NSEC_PER_SEC * 100ULL * (1 << div);
one_cycle = NSEC_PER_SEC * 100ULL << div;
do_div(one_cycle, clk_rate);
tmp = period_ns * 100ULL;
......
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