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authorJerome Brunet <jbrunet@baylibre.com>2019-04-23 11:02:33 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2019-05-06 11:55:39 +0200
commitdc38ac8141a664f4cc96306e6de85f68bbee92b9 (patch)
tree77a605ac3ac07b5f394a7c258181167a20bd2822 /drivers/clocksource/arm_global_timer.c
parentmmc: meson-gx: disable HS400 (diff)
downloadlinux-dc38ac8141a664f4cc96306e6de85f68bbee92b9.tar.xz
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mmc: meson-gx: avoid clock glitch when switching to DDR modes
Activating DDR in the Amlogic mmc controller, among other things, will divide the output clock by 2. So by activating it with clock on, we are creating a glitch on the output. Instead, let's deal with DDR when the clock output is off, when setting the clock. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/clocksource/arm_global_timer.c')
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