linux-kernel - Re: [PATCH v2 0/4] clk: meson: clk-pll driver update

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Date:   Sun, 12 Aug 2018 20:26:53 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     jbrunet@...libre.com
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, khilman@...libre.com
Subject: Re: [PATCH v2 0/4] clk: meson: clk-pll driver update

Hi Jerome,

On Wed, Aug 1, 2018 at 4:00 PM Jerome Brunet <jbrunet@...libre.com> wrote:
>
> This patchset is yet another round of update to the amlogic pll driver.
>
>  1) Enable bit is added so we don't rely on the bootloader or the init
>     value to enable to pll device.
>  2) Remove unnecessary CLK_GET_RATE_NOCACHE flags.
>  3) OD post dividers are removed from the pll driver. This simplify the
>     driver and let us provide the clocks which exist between those
>     dividers. Some device are actually using these clocks.
>  4) The rates hard coded in parameter tables are remove. Instead, we
>     only rely on the parent rate and the parameters to calculate the
>     output rate, which is a lot better.
>
> This series has been tested on the gxl libretech cc and axg s400.
> I did not test it on meson8b yet.
>
> Changes since v1: [0]
>  - improve commit description of patch 1
>  - remove unnecessary CLK_GET_RATE_NOCACHE flags.
>  - add missing CLK_SET_RATE_PARENT.
>
> [0]: https://lkml.kernel.org/r/20180717095617.12240-1-jbrunet@baylibre.com
>
> Jerome Brunet (4):
>   clk: meson: clk-pll: add enable bit
>   clk: meson: clk-pll: drop CLK_GET_RATE_NOCACHE where unnecessary
>   clk: meson: clk-pll: remove od parameters
>   clk: meson: clk-pll: drop hard-coded rates from pll tables
for the whole series:
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>

as well as:
Tested-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
(tested on Meson8b / Odroid-C1, even CPU frequency scaling still works
with my out-of-tree patches)


Regards
Martin