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mmc: sh_mmcif: Simplify division/shift logic 

"a / (1 << b)" == "a >> b".

No change in generated code.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/68d689c39c769d298b53ee8cb9de0e594a2999b2.1645460780.git.geert+renesas@glider.be
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Geert Uytterhoeven 2022-02-21 17:27:20 +01:00 committed by Ulf Hansson
parent 02538e45c6
commit bee1549199
1 changed files with 3 additions and 4 deletions
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7
drivers/mmc/host/sh_mmcif.c
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@ -521,8 +521,7 @@ static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk)
}
dev_dbg(dev, "clk %u/%u (%u, 0x%x)\n",
(best_freq / (1 << (clkdiv + 1))), clk,
best_freq, clkdiv);
(best_freq >> (clkdiv + 1)), clk, best_freq, clkdiv);
clk_set_rate(host->clk, best_freq);
clkdiv = clkdiv << 16;
@ -1012,8 +1011,8 @@ static void sh_mmcif_clk_setup(struct sh_mmcif_host *host)
*/
host->clkdiv_map = 0x3ff;
host->mmc->f_max = f_max / (1 << ffs(host->clkdiv_map));
host->mmc->f_min = f_min / (1 << fls(host->clkdiv_map));
host->mmc->f_max = f_max >> ffs(host->clkdiv_map);
host->mmc->f_min = f_min >> fls(host->clkdiv_map);
} else {
unsigned int clk = clk_get_rate(host->clk);