linux-kernel - Re: [PATCH 0/3] clk: meson: three small clk-pll fixes

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Date:   Mon, 04 Jan 2021 12:43:27 +0100
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-amlogic@...ts.infradead.org
Cc:     mturquette@...libre.com, sboyd@...nel.org,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] clk: meson: three small clk-pll fixes


On Sat 26 Dec 2020 at 13:15, Martin Blumenstingl <martin.blumenstingl@...glemail.com> wrote:

> Hi Jerome,
>
> while working on some changes for the 32-bit SoCs I hit a corner-case
> in the HDMI PLL: there's some rate doubling going. The PLL only locks
> in a specific rate range but the M/N table is not aware of that. This
> means for now (I am planning to fix that) that we can end up in a 
> ituation where the PLL doesn't lock and meson_clk_pll_set_rate() is
> supposed to still behave in this case. So here's three small patches
> for that.
>
> For me it's fine to queue these patches for -next. I am not aware of
> any breakage upstream, only some of my pending patches prefer to have
> these fixes.
>
> Slightly unrelated: if you know anything about that clock doubling then
> please let me know!
>
>
> Best regards,
> Martin
>
>
> Martin Blumenstingl (3):
>   clk: meson: clk-pll: fix initializing the old rate (fallback) for a
>     PLL
>   clk: meson: clk-pll: make "ret" a signed integer
>   clk: meson: clk-pll: propagate the error from meson_clk_pll_set_rate()
>
>  drivers/clk/meson/clk-pll.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)

Applied, Thx