[PATCH v4 0/2] perf: Add Raspberry Pi AXI PMU driver

[Ian Rogers]

On Thu, Aug 13, 2026 at 2:08 AM Peter Robinson <pbrobinson at gmail.com> wrote:
>
> On Wed, 12 Aug 2026 at 09:28, Will Deacon <will at kernel.org> wrote:
> >
> > On Tue, Aug 11, 2026 at 10:24:15PM -0700, Ian Rogers wrote:
> > > This patch series adds an uncore Performance Monitoring Unit (PMU) driver
> > > for Broadcom AXI system and VideoCore VPU performance monitors found on
> > > Raspberry Pi SoCs (BCM2835 through BCM2712 / Raspberry Pi 1 through 5).
> >
> > Why are you sending four versions of this patch series, at -rc7, each in
> > reply to the previous one? Nobody is going to review that.
>
> I'm also wondering why this is called rpi_axi_pmu where it very much
> looks like Broadcom IP, and is possibly used in other Broadcom SoCs,
> Florian can you confirm what this driver should be called?

I'm somewhat agnostic regarding the naming, and having a more general
driver strikes me as a good thing. Fwiw, I based the name on a
somewhat similarly named non-perf-compliant driver:
https://github.com/raspberrypi/linux/blob/rpi-6.18.y/drivers/perf/raspberrypi_axi_monitor.c

Thanks,
Ian

> Peter