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authorGeert Uytterhoeven <geert+renesas@glider.be>2022-02-21 17:27:20 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2022-02-28 16:11:47 +0100
commitbee1549199d4025b801d99b6b9157c2a6f938ed2 (patch)
tree8ac803539109b6282a7f0a1230f9cc22d918b8b9 /drivers/mmc/host
parentmmc: sdhci_am654: Add Support for TI's AM62 SoC (diff)
downloadlinux-bee1549199d4025b801d99b6b9157c2a6f938ed2.tar.xz
linux-bee1549199d4025b801d99b6b9157c2a6f938ed2.zip
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>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/sh_mmcif.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 104dcd702870..5f9ebf045b1c 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);