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| author | Jerome Brunet <jbrunet@baylibre.com> | 2017-10-02 14:27:41 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-10-04 10:41:42 +0200 |
| commit | ca3dcd3ff5b13a31a09a0119dc484b97ec19c4c8 (patch) | |
| tree | 8a664f92c3218e17fb1050234cee3565c4ce22d0 | |
| parent | de3ee99b097dd51938276e3af388cd4ad0f2750a (diff) | |
| download | linux-stable-ca3dcd3ff5b13a31a09a0119dc484b97ec19c4c8.tar.gz linux-stable-ca3dcd3ff5b13a31a09a0119dc484b97ec19c4c8.tar.bz2 linux-stable-ca3dcd3ff5b13a31a09a0119dc484b97ec19c4c8.zip | |
mmc: meson-gx: make sure the clock is rounded down
Using CLK_DIVIDER_ROUND_CLOSEST is unsafe as the mmc clock could be
rounded to a rate higher the specified rate. Removing this flag ensure
that, if the rate needs to be rounded, it will be rounded down.
Fixes: 51c5d8447bd7 ("MMC: meson: initial support for GX platforms")
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/host/meson-gx-mmc.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index c885c2d4b904..421c8719c202 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -531,8 +531,7 @@ static int meson_mmc_clk_init(struct meson_host *host) div->shift = __ffs(CLK_DIV_MASK); div->width = __builtin_popcountl(CLK_DIV_MASK); div->hw.init = &init; - div->flags = (CLK_DIVIDER_ONE_BASED | - CLK_DIVIDER_ROUND_CLOSEST); + div->flags = CLK_DIVIDER_ONE_BASED; clk = devm_clk_register(host->dev, &div->hw); if (WARN_ON(IS_ERR(clk))) |