From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 95DCA21D3FD; Wed, 9 Jul 2025 16:00:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752076844; cv=none; b=e8mIks+Zaf2TibQcy5YRdZyLW9SlvJ7QQJrRhfpExrigeXXoiut7+toQ/M0JsTmGesCwgvB7tmoQWU9UTejn5KFp3/jdyp7xRAD6gGLBtZbsR4BwZg6OW8dYMWc9JNay4L+B99YRc/zW96yz0aq4R5RqZ4uOOmq0rNoIhcvKBTw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752076844; c=relaxed/simple; bh=GoEXxmA+Dj27zsd8ziX2WQulAna4dGReDWUKd8Vxl20=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=qQ+WaA/KMvFgThebwLqDn5KwZoO6mjF3Zc5SrUMW7GISPFtmdECvt+QKPni+pwrksv9z2tx+tYBM1IK3FV4k1z5zSD0sXqlLo1xUbmJhS/E//LEfu4X2bAmcRXm7OmVxopj/+VEDvq+zyOMY0S4zwzeRESJQeiZXHtTRRHts3Pw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a94vT2rt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="a94vT2rt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 28468C4CEEF; Wed, 9 Jul 2025 16:00:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752076844; bh=GoEXxmA+Dj27zsd8ziX2WQulAna4dGReDWUKd8Vxl20=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a94vT2rt84gZSUYEQYOq4PJimJ4WvBRG5cgCgI/HHXMOGvq1LoklWN1v+bSjK3YwO WD4vI4heZOeZKeiyAx655rLGJcSfYKonvEKJcSYu61avIOunM6F0gW9CIvz+R1WOuQ JM2+2CYd30LwBuL6wg+zqLBDfs4fMLTvHgnd40DvbwYRsPB2bghUEAtEypKrFvITRo JuxuxHeCQRavqF1LtK2SscXcJBmYA/YzA+E84z/6CZPlyOom5qZXUlZnA7lWykK9Vi Ufnbyx2q/AUC9R1Zn5D58cffCuu8PmxvvX4vqwdhq9ZwNBCcSC4cAqyAhwwSDlLaXM 5xBMVXP+6nb2g== Date: Wed, 9 Jul 2025 17:00:39 +0100 From: Conor Dooley To: Nick Hu Cc: Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Palmer Dabbelt , Albert Ou Subject: Re: [PATCH] dt-bindings: riscv: Add SiFive vendor extensions description Message-ID: <20250709-startup-coasting-aa58a99c5585@spud> References: <20250708065242.26371-1-nick.hu@sifive.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="H5XYBjydcd73WNlI" Content-Disposition: inline In-Reply-To: <20250708065242.26371-1-nick.hu@sifive.com> --H5XYBjydcd73WNlI Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jul 08, 2025 at 02:52:42PM +0800, Nick Hu wrote: > Add description for SiFive vendor extensions "xsfcflushdlone", > "xsfpgflushdlone" and "xsfcease". >=20 > Signed-off-by: Nick Hu You have this, but no user or anything along with it. What's actually making use of this? If it's just for the SBI impl or w/e then say that. > --- > .../devicetree/bindings/riscv/extensions.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) >=20 > diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Do= cumentation/devicetree/bindings/riscv/extensions.yaml > index 72c1b063fdfe..10c37c61243d 100644 > --- a/Documentation/devicetree/bindings/riscv/extensions.yaml > +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml > @@ -626,6 +626,24 @@ properties: > https://www.andestech.com/wp-content/uploads/AX45MP-1C-Rev.-= 5.0.0-Datasheet.pdf > =20 > # SiFive > + - const: xsfcease > + description: > + SiFive CEASE Instruction Extensions Specification. > + See more details in > + https://www.sifive.com/document-file/freedom-u740-c000-manual > + > + - const: xsfcflushdlone > + description: > + SiFive L1D Cache Flush Instruction Extensions Specification. > + See more details in > + https://www.sifive.com/document-file/freedom-u740-c000-manual > + > + - const: xsfpgflushdlone > + description: > + SiFive PGFLUSH Instruction Extensions for the power manageme= nt. The > + CPU will flush the L1D and enter the cease state after execu= ting > + the instruction. > + > - const: xsfqmaccdod > description: > SiFive Int8 Matrix Multiplication Extensions Specification. > --=20 > 2.17.1 >=20 --H5XYBjydcd73WNlI Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaG6SJwAKCRB4tDGHoIJi 0ks9AQC/Q6brAPmhJnR++6Ix8DAoDmvW23xMTc8wvhh0d6IbsAEAxM/WqT0TXydO bNW64h83RlVLS5t5xy7nvJakYc2suww= =hXLq -----END PGP SIGNATURE----- --H5XYBjydcd73WNlI--