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>

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index c885c2d4b90418a93519ab05a989a7d5c77efd76..421c8719c2028d33f7a5bf256762965511a2fdb5 100644 (file)
--- 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)))