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serial: sh-sci: Simplify multiplication/shift logic
"a * (1 << b)" == "a << b". No change in generated code. Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/118d62e167f6cf5e98bdf9a738634b4590ea8d09.1645460901.git.geert+renesas@glider.be Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -2293,7 +2293,7 @@ static int sci_scbrr_calc(struct sci_port *s, unsigned int bps,
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for_each_sr(sr, s) {
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for (c = 0; c <= 3; c++) {
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/* integerized formulas from HSCIF documentation */
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prediv = sr * (1 << (2 * c + 1));
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prediv = sr << (2 * c + 1);
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/*
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* We need to calculate:
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