Messages in this thread |  | | From | Martin Blumenstingl <> | Date | Sun, 18 Feb 2018 21:59:07 +0100 | Subject | Re: [PATCH v2 17/19] clk: meson: rework meson8b cpu clock |
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On Mon, Feb 12, 2018 at 3:58 PM, Jerome Brunet <jbrunet@baylibre.com> wrote: > Instead of migrating meson cpu_clk to clk_regmap, like the other meson > clock drivers, we take advantage of the massive rework to get rid of it > completely, and solve (the first part) of the related FIXME notice. > > As pointed out in the code comments, the cpu_clk should be modeled with > dividers and muxes it is made of, instead of one big composite clock. > > The cpu_clk was not working correctly to enable dvfs on meson8b. It hangs > quite often when changing the cpu clock rate. This new implementation, > based on simple elements improves the situation but the platform will > still hang from time to time. This is not acceptable so, until we can > make the mechanism around the cpu clock stable, the cpu clock subtree > has been put in read-only mode, preventing any change of the cpu clock > > The notifier and read-write operation will be added back when we have a > solution to the problem. > > Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com> > Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
thank you Jerome!
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