"a / (1 << b)" == "a >> b". No change in generated code.
Signed-off-by: Geert Uytterhoeven <[email protected]> --- drivers/gpu/drm/rcar-du/rcar_lvds.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_lvds.c b/drivers/gpu/drm/rcar-du/rcar_lvds.c index 72a272cfc11ee129..30afc1d3482a9670 100644 --- a/drivers/gpu/drm/rcar-du/rcar_lvds.c +++ b/drivers/gpu/drm/rcar-du/rcar_lvds.c @@ -229,7 +229,7 @@ static void rcar_lvds_d3_e3_pll_calc(struct rcar_lvds *lvds, struct clk *clk, * the PLL, followed by a an optional fixed /7 * divider. */ - fout = fvco / (1 << e) / div7; + fout = (fvco >> e) / div7; div = max(1UL, DIV_ROUND_CLOSEST(fout, target)); diff = abs(fout / div - target); @@ -249,7 +249,7 @@ static void rcar_lvds_d3_e3_pll_calc(struct rcar_lvds *lvds, struct clk *clk, } done: - output = fin * pll->pll_n / pll->pll_m / (1 << pll->pll_e) + output = (fin * pll->pll_n / pll->pll_m >> pll->pll_e) / div7 / pll->div; error = (long)(output - target) * 10000 / (long)target; -- 2.25.1
