From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 21 Feb 2022 16:27:20 +0000 (+0100)
Subject: mmc: sh_mmcif: Simplify division/shift logic
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bee1549199d4025b801d99b6b9157c2a6f938ed2;p=linux.git
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>
---
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 104dcd702870c..5f9ebf045b1cb 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -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);