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Date: Wed, 10 Jan 2024 11:32:09 +0000
From: Conor Dooley <conor@kernel.org>
To: =?iso-8859-1?Q?Cl=E9ment_L=E9ger?= <cleger@rivosinc.com>
Cc: linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
	Jonathan Corbet <corbet@lwn.net>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Robbin Ehn <rehn@rivosinc.com>,
	Gianluca Guida <gianluca@rivosinc.com>
Subject: Re: [PATCH v2 1/6] riscv: add ISA extension parsing for Ztso
Message-ID: <20240110-childish-magnetic-75dacb4fb265@spud>
References: <20231220155723.684081-1-cleger@rivosinc.com>
 <20231220155723.684081-2-cleger@rivosinc.com>
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On Wed, Dec 20, 2023 at 04:57:17PM +0100, Cl=E9ment L=E9ger wrote:
> Add support to parse the Ztso string in the riscv,isa string. The
> bindings already supports it but not the ISA parsing code.
>=20
> Signed-off-by: Cl=E9ment L=E9ger <cleger@rivosinc.com>

Reviewed-by: Conor Dooley <conor.dooley@microchip.com>

Cheers,
Conor.

> ---
>  arch/riscv/include/asm/hwcap.h | 1 +
>  arch/riscv/kernel/cpufeature.c | 1 +
>  2 files changed, 2 insertions(+)
>=20
> diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwca=
p.h
> index 2438d4685da6..3b31efe2f716 100644
> --- a/arch/riscv/include/asm/hwcap.h
> +++ b/arch/riscv/include/asm/hwcap.h
> @@ -84,6 +84,7 @@
>  #define RISCV_ISA_EXT_ZVFH		69
>  #define RISCV_ISA_EXT_ZVFHMIN		70
>  #define RISCV_ISA_EXT_ZFA		71
> +#define RISCV_ISA_EXT_ZTSO		72
> =20
>  #define RISCV_ISA_EXT_MAX		128
>  #define RISCV_ISA_EXT_INVALID		U32_MAX
> diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeatur=
e.c
> index dc0ab3e97cd2..3eb48a0eecb3 100644
> --- a/arch/riscv/kernel/cpufeature.c
> +++ b/arch/riscv/kernel/cpufeature.c
> @@ -279,6 +279,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] =3D {
>  	__RISCV_ISA_EXT_DATA(zkt, RISCV_ISA_EXT_ZKT),
>  	__RISCV_ISA_EXT_DATA(zksed, RISCV_ISA_EXT_ZKSED),
>  	__RISCV_ISA_EXT_DATA(zksh, RISCV_ISA_EXT_ZKSH),
> +	__RISCV_ISA_EXT_DATA(ztso, RISCV_ISA_EXT_ZTSO),
>  	__RISCV_ISA_EXT_SUPERSET(zvbb, RISCV_ISA_EXT_ZVBB, riscv_zvbb_exts),
>  	__RISCV_ISA_EXT_DATA(zvbc, RISCV_ISA_EXT_ZVBC),
>  	__RISCV_ISA_EXT_DATA(zvfh, RISCV_ISA_EXT_ZVFH),
> --=20
> 2.43.0
>=20

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