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From: Cristian Marussi <cristian.marussi@arm.com>
To: Sudeep Holla <sudeep.holla@kernel.org>
Cc: Cristian Marussi <cristian.marussi@arm.com>,
	Geert Uytterhoeven <geert@linux-m68k.org>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org,
	linux-clk@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	philip.radford@arm.com, james.quinlan@broadcom.com,
	f.fainelli@gmail.com, vincent.guittot@linaro.org,
	etienne.carriere@foss.st.com, peng.fan@oss.nxp.com,
	michal.simek@amd.com, geert+renesas@glider.be,
	kuninori.morimoto.gx@renesas.com, marek.vasut+renesas@gmail.com
Subject: Re: [PATCH v4 00/15] SCMI Clock rates discovery rework
Date: Mon, 11 May 2026 12:00:08 +0100	[thread overview]
Message-ID: <agG2uPsoDZOfEgWX@pluto> (raw)
In-Reply-To: <20260511-origami-ape-of-inspiration-7b55f3@sudeepholla>

On Mon, May 11, 2026 at 09:09:40AM +0100, Sudeep Holla wrote:
> On Fri, May 08, 2026 at 07:25:49PM +0200, Geert Uytterhoeven wrote:
> > Hi Cristian,
> > 
> > On Fri, 8 May 2026 at 17:33, Cristian Marussi <cristian.marussi@arm.com> wrote:
> > > it was a known limitation, in the SCMI Clock protocol support, the lack of
> > > dynamic allocation around per-clock rates discovery: fixed size statically
> > > per-clock rates arrays did not scale and was increasingly a waste of memory
> > > (see [1]).
> > 
> > [...]
> > 
> > > v3 -->v4
> > >  - Rebased on v7.1-rc2
> > >  - Removed unused info.rate_discrete [Geert]
> > >  - Made dev_dbg() more meaningful by printing tot_rates [Geert]
> > >  - Fixed build bisectability by renaming properly to iter_response_bound_cleanup()
> > 
> > Thanks for the update!
> > 
> > I believe you still have a possible runtime bisectability issue
> > between "[PATCH v4 04/15] firmware: arm_scmi: Simplify clock
> > rates exposed interface" and "[PATCH v4 05/15] clk: scmi: Use new
> > simplified per-clock rate properties": 04/15 removes the last setter
> > of scmi_clock_info.rate_discrete, before 05/15 removes the last getter.
> > 
> 
> I have fixed this up by adding some initialisation in 04/15 and removing it
> in 06/15. Cristian, if possible can you check if the functionality will
> remain intact after 05/15 ?

LGTM.

Thanks,
Cristian


      reply	other threads:[~2026-05-11 11:00 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-08 15:32 [PATCH v4 00/15] SCMI Clock rates discovery rework Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 01/15] clk: scmi: Fix clock rate rounding Cristian Marussi
2026-05-11 14:44   ` Brian Masney
2026-05-08 15:32 ` [PATCH v4 02/15] firmware: arm_scmi: Add clock determine_rate operation Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 03/15] clk: scmi: Use new determine_rate clock operation Cristian Marussi
2026-05-11 14:44   ` Brian Masney
2026-05-12  8:43   ` Sudeep Holla
2026-05-08 15:32 ` [PATCH v4 04/15] firmware: arm_scmi: Simplify clock rates exposed interface Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 05/15] clk: scmi: Use new simplified per-clock rate properties Cristian Marussi
2026-05-11 14:47   ` Brian Masney
2026-05-08 15:32 ` [PATCH v4 06/15] firmware: arm_scmi: Drop unused clock rate interfaces Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 07/15] firmware: arm_scmi: Make clock rates allocation dynamic Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 08/15] firmware: arm_scmi: Harden clock parents discovery Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 09/15] firmware: arm_scmi: Refactor iterators internal allocation Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 10/15] firmware: arm_scmi: Add bound iterators support Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 11/15] firmware: arm_scmi: Fix bound iterators returning too many items Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 12/15] firmware: arm_scmi: Use proper iter_response_bound_cleanup() name Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 13/15] firmware: arm_scmi: Use bound iterators to minimize discovered rates Cristian Marussi
2026-05-08 15:32 ` [PATCH v4 14/15] firmware: arm_scmi: Fix OOB in scmi_clock_describe_rates_get_lazy() Cristian Marussi
2026-05-08 15:33 ` [PATCH v4 15/15] firmware: arm_scmi: Introduce all_rates_get clock operation Cristian Marussi
2026-05-08 17:25 ` [PATCH v4 00/15] SCMI Clock rates discovery rework Geert Uytterhoeven
2026-05-11  8:09   ` Sudeep Holla
2026-05-11 11:00     ` Cristian Marussi [this message]

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