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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
To: Stephen Boyd <sboyd@kernel.org>
Cc: Guenter Roeck <linux@roeck-us.net>,
	mturquette@baylibre.com, linux-clk@vger.kernel.org,
	Neil Armstrong <narmstrong@baylibre.com>,
	jbrunet@baylibre.com, khilman@baylibre.com,
	linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 2/3] clk: divider: Switch from .round_rate to .determine_rate by default
Date: Sat, 3 Jul 2021 00:57:57 +0200	[thread overview]
Message-ID: <CAFBinCBsveheUZeW892J+1iyB_5P67rdLiJHtq4+PoNF4r_4CQ@mail.gmail.com> (raw)
In-Reply-To: <162525955027.3570193.16463056788252699243@swboyd.mtv.corp.google.com>

Hi Stephen,

On Fri, Jul 2, 2021 at 10:59 PM Stephen Boyd <sboyd@kernel.org> wrote:
[...]
> I'd prefer we leave round_rate assigned in clk_divider_ops and
> clk_divider_ro_ops but then also assign the determine_rate function. We
> have some duplication but that's OK. Then make individual patches to
> migrate each driver over to the new clk op.
I just sent a series with those changes: [0]

> We could stack a final patch on top to remove the round_rate function
> from clk divider.  Unfortunately, if some driver wants to use round_rate
> then it will fail in interesting ways. Probably best to live with it
> until we decide to drop round_rate entirely. Patches to convert all the
> round_rate code over to determine_rate would be welcome in the meantime.
For now I have omitted the patch to remove .round_rate from clk_divider_ops.
Also I will start migrating .round_rate over to .determine_rate in
drivers/clk/meson/ (as it's the only hardware with CCF support that I
have).


Best regards,
Martin


[0] https://patchwork.kernel.org/project/linux-clk/cover/20210702225145.2643303-1-martin.blumenstingl@googlemail.com/

  reply	other threads:[~2021-07-02 22:58 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-27 22:39 [PATCH v3 0/3] clk: meson: rounding for fast clocks on 32-bit SoCs Martin Blumenstingl
2021-06-27 22:39 ` [PATCH v3 1/3] clk: divider: Add re-usable determine_rate implementations Martin Blumenstingl
2021-06-30 18:39   ` Stephen Boyd
2021-06-27 22:39 ` [PATCH v3 2/3] clk: divider: Switch from .round_rate to .determine_rate by default Martin Blumenstingl
2021-06-30 18:39   ` Stephen Boyd
2021-07-01 20:25   ` Guenter Roeck
2021-07-01 20:57     ` Martin Blumenstingl
2021-07-01 21:43       ` Guenter Roeck
2021-07-02  0:53         ` Stephen Boyd
2021-07-02  1:02       ` Stephen Boyd
2021-07-02  9:19         ` Martin Blumenstingl
     [not found]           ` <CGME20210702124612eucas1p1762911deb37e4fb03adc9239bb715135@eucas1p1.samsung.com>
2021-07-02 12:46             ` Marek Szyprowski
2021-07-02 21:00               ` Stephen Boyd
2021-07-02 20:59           ` Stephen Boyd
2021-07-02 22:57             ` Martin Blumenstingl [this message]
2021-07-02  1:04   ` Stephen Boyd
2021-06-27 22:39 ` [PATCH v3 3/3] clk: meson: regmap: switch to determine_rate for the dividers Martin Blumenstingl
2021-06-30 18:39   ` Stephen Boyd

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