linux-kernel - Re: [PATCH v3 3/3] clk: meson: regmap: switch to determine

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Message-ID: <162507836069.3331010.6408437361041793201@swboyd.mtv.corp.google.com>
Date:   Wed, 30 Jun 2021 11:39:20 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-clk@...r.kernel.org, mturquette@...libre.com
Cc:     narmstrong@...libre.com, jbrunet@...libre.com,
        khilman@...libre.com, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: Re: [PATCH v3 3/3] clk: meson: regmap: switch to determine_rate for the dividers

Quoting Martin Blumenstingl (2021-06-27 15:39:59)
> This increases the maxmium supported frequency on 32-bit systems from
> 2^31 (signed long as used by clk_ops.round_rate, maximum value:
> approx. 2.14GHz) to 2^32 (unsigned long as used by
> clk_ops.determine_rate, maximum value: approx. 4.29GHz).
> On Meson8/8b/8m2 the HDMI PLL and it's OD (post-dividers) are
> capable of running at up to 2.97GHz. So switch the divider
> implementation in clk-regmap to clk_ops.determine_rate to support these
> higher frequencies on 32-bit systems.
> 
> Reviewed-by: Jerome Brunet <jbrunet@...libre.com>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> ---

Applied to clk-next