diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-02-21 19:27:20 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2022-02-28 18:11:47 +0300 |
| commit | bee1549199d4025b801d99b6b9157c2a6f938ed2 (patch) | |
| tree | 8ac803539109b6282a7f0a1230f9cc22d918b8b9 /drivers/mmc | |
| parent | 02538e45c666f207c55ae2984cf64de16abd3aea (diff) | |
| download | linux-bee1549199d4025b801d99b6b9157c2a6f938ed2.tar.xz | |
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')
| -rw-r--r-- | drivers/mmc/host/sh_mmcif.c | 7 |
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); |