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From: Yu-Chien Peter Lin <peterlin@andestech.com>
To: Conor Dooley <conor@kernel.org>
Cc: <acme@kernel.org>, <adrian.hunter@intel.com>,
	<ajones@ventanamicro.com>, <alexander.shishkin@linux.intel.com>,
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Subject: Re: [PATCH v3 RESEND 10/13] dt-bindings: riscv: Add Andes PMU extension description
Date: Fri, 27 Oct 2023 15:22:03 +0800	[thread overview]
Message-ID: <ZTtlCEnbmVoPGj5l@APC323> (raw)
In-Reply-To: <20231026-concierge-perfume-6c327fc5282f@spud>

On Thu, Oct 26, 2023 at 03:09:30PM +0100, Conor Dooley wrote:
> On Thu, Oct 26, 2023 at 04:22:22PM +0800, Yu-Chien Peter Lin wrote:
> > Hi Conor,
> > 
> > On Mon, Oct 23, 2023 at 01:03:53PM +0100, Conor Dooley wrote:
> > > On Mon, Oct 23, 2023 at 08:40:57AM +0800, Yu Chien Peter Lin wrote:
> > > > Document the ISA string for Andes Technology performance monitor
> > > > extension which provides counter overflow interrupt and mode
> > > > filtering mechanisms.
> > > > 
> > > > Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
> > > > ---
> > > > Changes v2 -> v3:
> > > >   - New patch
> > > > ---
> > > >  Documentation/devicetree/bindings/riscv/extensions.yaml | 7 +++++++
> > > >  1 file changed, 7 insertions(+)
> > > > 
> > > > diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
> > > > index 5e9291d258d5..e0694e2adbc2 100644
> > > > --- a/Documentation/devicetree/bindings/riscv/extensions.yaml
> > > > +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
> > > > @@ -246,6 +246,13 @@ properties:
> > > >              in commit 2e5236 ("Ztso is now ratified.") of the
> > > >              riscv-isa-manual.
> > > >  
> > > > +        - const: xandespmu
> > > > +          description:
> > > > +            The Andes Technology performance monitor extension for counter overflow
> > > > +            and privilege mode filtering. For more details, see Counter Related
> > > > +            Registers in the AX45MP datasheet.
> > > > +            https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-5.0.0-Datasheet.pdf
> > > 
> > > Does/will this PMU function identically on the other CPUs that support it?
> > 
> > Yes, I can confirm that.
> 
> If there's a more generic document available, that'd be good.

While it is currently the most comprehensive and publicly available
document we have, I will update it here once I obtain a more specific
version of the extension.

> Otherwise,
> Acked-by: Conor Dooley <conor.dooley@microchip.com>

Thanks for the review.

Regards,
Peter Lin

> 
> Thanks,
> Conor.



  reply	other threads:[~2023-10-27  7:24 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-23  0:40 [PATCH v3 RESEND 00/13] Support Andes PMU extension Yu Chien Peter Lin
2023-10-23  0:40 ` [PATCH v3 RESEND 01/13] riscv: errata: Rename defines for Andes Yu Chien Peter Lin
2023-10-23  9:23   ` Conor Dooley
2023-10-23  0:40 ` [RFC PATCH v3 RESEND 02/13] irqchip/riscv-intc: Allow large non-standard hwirq number Yu Chien Peter Lin
2023-10-27  7:12   ` Thomas Gleixner
2023-10-30  7:12     ` Yu-Chien Peter Lin
2023-10-23  0:40 ` [RFC PATCH v3 RESEND 03/13] irqchip/riscv-intc: Introduce Andes IRQ chip Yu Chien Peter Lin
2023-10-27  7:13   ` Thomas Gleixner
2023-10-23  0:40 ` [PATCH v3 RESEND 04/13] dt-bindings: riscv: Add Andes interrupt controller compatible string Yu Chien Peter Lin
2023-10-23 13:15   ` Conor Dooley
2023-10-26  8:50     ` Yu-Chien Peter Lin
2023-10-23  0:40 ` [PATCH v3 RESEND 05/13] riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes INTC Yu Chien Peter Lin
2023-10-23  0:40 ` [PATCH v3 RESEND 06/13] perf: RISC-V: Eliminate redundant IRQ enable/disable operations Yu Chien Peter Lin
2023-10-23  0:40 ` [RFC PATCH v3 RESEND 07/13] RISC-V: Move T-Head PMU to CPU feature alternative framework Yu Chien Peter Lin
2023-10-23 11:56   ` Conor Dooley
2023-10-23  0:40 ` [PATCH v3 RESEND 08/13] perf: RISC-V: Introduce Andes PMU for perf event sampling Yu Chien Peter Lin
2023-10-23  0:40 ` [RFC PATCH v3 RESEND 09/13] dt-bindings: riscv: Add T-Head PMU extension description Yu Chien Peter Lin
2023-10-23 12:25   ` Conor Dooley
2023-10-23  0:40 ` [PATCH v3 RESEND 10/13] dt-bindings: riscv: Add Andes " Yu Chien Peter Lin
2023-10-23 12:03   ` Conor Dooley
2023-10-26  8:22     ` Yu-Chien Peter Lin
2023-10-26 14:09       ` Conor Dooley
2023-10-27  7:22         ` Yu-Chien Peter Lin [this message]
2023-10-23  0:40 ` [RFC PATCH v3 RESEND 11/13] riscv: dts: allwinner: Add T-Head PMU extension Yu Chien Peter Lin
2023-10-23  0:40 ` [PATCH v3 RESEND 12/13] riscv: dts: renesas: Add Andes " Yu Chien Peter Lin
2023-10-23  0:41 ` [PATCH v3 RESEND 13/13] riscv: andes: Support symbolic FW and HW raw events Yu Chien Peter Lin

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