RE: [PATCH v3 0/5] stm32-ddr-pmu driver creation
From: Gerald BAEZA
Date: Thu Oct 03 2019 - 06:08:36 EST
Dear all
Gentle reminder for this review.
Thanks in advance !
Gérald
> From: Gerald BAEZA <gerald.baeza@xxxxxx>
>
> The DDRPERFM is the DDR Performance Monitor embedded in STM32MP1
> SOC.
>
> This series adds support for the DDRPERFM via a new stm32-ddr-pmu driver,
> registered into the perf framework.
>
> This driver is inspired from arch/arm/mm/cache-l2x0-pmu.c
>
> ---
> Changes from v1:
> - add 'resets' description (bindings) and using (driver). Thanks Rob.
> - rebase on 5.2-rc1 (that includes the ddrperfm clock control patch).
>
> Changes from v2:
> - rebase on 5.3-rc6 that has to be completed with
> 'perf tools: fix alignment trap in perf stat': mandatory.
> 'Documentation: add link to stm32mp157 docs': referenced from this series.
> - take into account all remarks from Mark Rutland: thanks for your time!
> https://lkml.org/lkml/2019/6/26/388
> - fix for event type filtering in stm32_ddr_pmu_event_init()
>
> Gerald Baeza (5):
> Documentation: perf: stm32: ddrperfm support
> dt-bindings: perf: stm32: ddrperfm support
> perf: stm32: ddrperfm driver creation
> ARM: configs: enable STM32_DDR_PMU
> ARM: dts: stm32: add ddrperfm on stm32mp157c
>
> .../devicetree/bindings/perf/stm32-ddr-pmu.txt | 16 +
> Documentation/perf/stm32-ddr-pmu.txt | 37 ++
> arch/arm/boot/dts/stm32mp157c.dtsi | 8 +
> arch/arm/configs/multi_v7_defconfig | 1 +
> drivers/perf/Kconfig | 6 +
> drivers/perf/Makefile | 1 +
> drivers/perf/stm32_ddr_pmu.c | 426 +++++++++++++++++++++
> 7 files changed, 495 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/perf/stm32-ddr-
> pmu.txt
> create mode 100644 Documentation/perf/stm32-ddr-pmu.txt
> create mode 100644 drivers/perf/stm32_ddr_pmu.c
>
> --
> 2.7.4