[PATCH v4 00/15] SCMI Clock rates discovery rework

Cristian Marussi cristian.marussi at arm.com
Mon May 11 04:00:08 PDT 2026


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 at 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



More information about the linux-arm-kernel mailing list