Re: [PATCH v2] dt-bingdings: perf: Support uncore ARM NI-700 PMU

From: Krzysztof Kozlowski
Date: Wed Jan 31 2024 - 02:49:49 EST


On 31/01/2024 07:59, JiaLong.Yang wrote:
> Add file corresponding to hx_arm_ni.c introducing ARM NI-700 PMU driver
> for HX.
>
> Signed-off-by: JiaLong.Yang <jialong.yang@xxxxxxxxxxxx>
> ---
> v1 --> v2:
> 1. Submit dt-bindings file Seperately.

Where is the driver?

Please read:
https://elixir.bootlin.com/linux/v6.8-rc2/source/Documentation/process/submitting-patches.rst
before posting.

> 2. Do some check:
> ~ #: make dt_binding_check DT_SCHEMA_FILES=perf
> LINT Documentation/devicetree/bindings
> CHKDT Documentation/devicetree/bindings/processed-schema.json
> SCHEMA Documentation/devicetree/bindings/processed-schema.json
> DTEX Documentation/devicetree/bindings/perf/hx,c2000-arm-ni.example.dts
> DTC_CHK Documentation/devicetree/bindings/perf/hx,c2000-arm-ni.example.dtb

No other changes? Sorry, this is not acceptable. You must implement
feedback and then describe what you changed in the changelog.

>
> .../bindings/perf/hx,c2000-arm-ni.yaml | 53 +++++++++++++++++++
> .../devicetree/bindings/vendor-prefixes.yaml | 2 +
> MAINTAINERS | 6 +++
> 3 files changed, 61 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/perf/hx,c2000-arm-ni.yaml
>
> diff --git a/Documentation/devicetree/bindings/perf/hx,c2000-arm-ni.yaml b/Documentation/devicetree/bindings/perf/hx,c2000-arm-ni.yaml
> new file mode 100644
> index 000000000000..de50c79a5f23
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/perf/hx,c2000-arm-ni.yaml
> @@ -0,0 +1,53 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/perf/hx,c2000-arm-ni.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HX-C2000 NI (Network-on-chip Interconnect) Performance Monitors
> +
> +maintainers:
> + - Jialong Yang <jialong.yang@xxxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + enum:
> + - hx,c2000-arm-ni
> +
> + reg:
> + items:
> + - description: Physical address of the base (PERIPHBASE) and
> + size of the whole NI configuration address space.
> +
> + interrupts:
> + minItems: 1

NAK, I wrote why. You just ignored my comments and did not even wait for
my feedback.

> + items:
> + - description: Overflow interrupt for clock domain 0
> + - description: Overflow interrupt for clock domain 1
> + - description: Overflow interrupt for clock domain 2
> + - description: Generally, one interrupt line for one PMU. But this also
> + support one interrupt line for a NI if merged.
> +
> + pccs-id:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + description: Used to identify NIs in system which has more than
> + one NI.

No, reg does it. Drop the property. Anyway you miss here vendor prefix
and proper explanation.

> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +additionalProperties: true

NAK, not explained in changelog, not correct.

> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> +
> + pmu@23ff0000 {

Use 4 spaces for example indentation.

> + compatible = "hx,c2000-arm-ni";
> + reg = <0x2b420000 0x10000>;
> + pccs-id = <0>;
> + interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
> + };
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> index 1a0dc04f1db4..f6b4103ef436 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> @@ -617,6 +617,8 @@ patternProperties:
> description: Shenzhen Hugsun Technology Co. Ltd.
> "^hwacom,.*":
> description: HwaCom Systems Inc.
> + "^hx,.*":

hexin,

> + description: HEXIN Technologies Co., Ltd.
> "^hxt,.*":
> description: HXT Semiconductor
> "^hycon,.*":
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 8999497011a2..101974780710 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -18866,6 +18866,12 @@ L: linux-riscv@xxxxxxxxxxxxxxxxxxx
> S: Maintained
> F: arch/riscv/boot/dts/thead/
>
> +HX ARM-NI-700 PMU DRIVERS
> +M: Jialong Yang <jialong.yang@xxxxxxxxxxxx>
> +S: Supported
> +F: Documentation/devicetree/bindings/perf/hx,c2000-arm-ni.yaml
> +F: drivers/perf/hx_arm_ni.c

There is no such file.

Best regards,
Krzysztof