From: Stephen Boyd <sboyd@kernel.org>
To: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Abel Vesa <abelvesa@kernel.org>,
Fabio Estevam <festevam@gmail.com>, Marek Vasut <marex@denx.de>,
Michael Turquette <mturquette@baylibre.com>,
Peng Fan <peng.fan@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>, Ying Liu <victor.liu@nxp.com>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
linux-clk@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Abel Vesa <abel.vesa@linaro.org>,
Herve Codina <herve.codina@bootlin.com>,
Luca Ceresoli <luca.ceresoli@bootlin.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Ian Ray <ian.ray@ge.com>
Subject: Re: [PATCH 4/5] clk: Add flag to prevent frequency changes when walking subtrees
Date: Mon, 30 Dec 2024 17:09:32 -0800 [thread overview]
Message-ID: <3bcf5bc1007c9ed2900780fe07e66cb8.sboyd@kernel.org> (raw)
In-Reply-To: <87jzbqtfc3.fsf@bootlin.com>
Quoting Miquel Raynal (2024-12-23 10:38:20)
> Hi Stephen,
>
> >> +/* do not passively change this clock rate during subtree rate propagation */
> >> +#define CLK_NO_RATE_CHANGE_DURING_PROPAGATION BIT(14)
> >
> > Why doesn't rate locking work?
>
> Can you be more specific? What function from the API is supposed to do
> what I need? AFAIU, none of them is properly locking the rate during a
> subtree walk, but if I misread one of them, I'd be glad to drop all this.
>
It's clk_set_rate_exclusive() as Maxime also asked about in the other
thread.
next prev parent reply other threads:[~2024-12-31 1:09 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-21 17:41 [PATCH 0/5] clk: Fix simple video pipelines on i.MX8 Miquel Raynal
2024-11-21 17:41 ` [PATCH 1/5] clk: imx: clk-imx8mp: Allow LDB serializer clock reconfigure parent rate Miquel Raynal
2024-11-21 17:41 ` [PATCH 2/5] clk: Add a helper to determine a clock rate Miquel Raynal
2024-11-21 17:41 ` [PATCH 3/5] clk: Split clk_calc_subtree() Miquel Raynal
2024-11-21 17:41 ` [PATCH 4/5] clk: Add flag to prevent frequency changes when walking subtrees Miquel Raynal
2024-12-10 22:44 ` Stephen Boyd
2024-12-23 18:38 ` Miquel Raynal
2024-12-31 1:09 ` Stephen Boyd [this message]
2024-12-17 12:47 ` Maxime Ripard
2024-12-23 18:43 ` Miquel Raynal
2024-12-31 1:22 ` Stephen Boyd
2025-01-06 14:36 ` Maxime Ripard
2025-01-10 15:40 ` Miquel Raynal
2025-01-10 15:38 ` Miquel Raynal
2024-11-21 17:41 ` [PATCH 5/5] clk: imx: imx8mp: Prevent media clocks to be incompatibly changed Miquel Raynal
2024-11-22 6:01 ` [PATCH 0/5] clk: Fix simple video pipelines on i.MX8 Liu Ying
2024-11-22 9:54 ` Miquel Raynal
2024-11-26 6:49 ` Liu Ying
2024-11-26 11:03 ` Miquel Raynal
2024-11-27 7:24 ` Liu Ying
2024-12-17 12:54 ` Maxime Ripard
2024-12-23 18:59 ` Miquel Raynal
2025-01-06 14:45 ` Maxime Ripard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3bcf5bc1007c9ed2900780fe07e66cb8.sboyd@kernel.org \
--to=sboyd@kernel.org \
--cc=abel.vesa@linaro.org \
--cc=abelvesa@kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=festevam@gmail.com \
--cc=herve.codina@bootlin.com \
--cc=ian.ray@ge.com \
--cc=imx@lists.linux.dev \
--cc=kernel@pengutronix.de \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-clk@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=luca.ceresoli@bootlin.com \
--cc=marex@denx.de \
--cc=miquel.raynal@bootlin.com \
--cc=mturquette@baylibre.com \
--cc=peng.fan@nxp.com \
--cc=s.hauer@pengutronix.de \
--cc=shawnguo@kernel.org \
--cc=thomas.petazzoni@bootlin.com \
--cc=victor.liu@nxp.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.