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Tue, 25 Nov 2025 19:27:59 -0800 (PST) Received: from archie.me ([210.87.74.117]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7c3ed471060sm19640415b3a.15.2025.11.25.19.27.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Nov 2025 19:27:58 -0800 (PST) Received: by archie.me (Postfix, from userid 1000) id CBEA845A3F83; Wed, 26 Nov 2025 10:27:56 +0700 (WIB) Date: Wed, 26 Nov 2025 10:27:56 +0700 From: Bagas Sanjaya To: Bhanu Seshu Kumar Valluri , Vinod Koul , Jonathan Corbet Cc: dmaengine@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, khalid@kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, skhan@linuxfoundation.org, david.hunter.linux@gmail.com Subject: Re: [PATCH] docs: dmaengine: add explanation for phys field in dma_async_tx_descriptor structure Message-ID: References: <20251113064937.8735-1-bhanuseshukumar@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="U9VBp7oVmCj/Mqtc" Content-Disposition: inline In-Reply-To: <20251113064937.8735-1-bhanuseshukumar@gmail.com> --U9VBp7oVmCj/Mqtc Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 13, 2025 at 12:19:37PM +0530, Bhanu Seshu Kumar Valluri wrote: > diff --git a/Documentation/driver-api/dmaengine/provider.rst b/Documentat= ion/driver-api/dmaengine/provider.rst > index 1594598b3..f4ed98f70 100644 > --- a/Documentation/driver-api/dmaengine/provider.rst > +++ b/Documentation/driver-api/dmaengine/provider.rst > @@ -411,7 +411,7 @@ supported. > - This structure can be initialized using the function > ``dma_async_tx_descriptor_init``. > =20 > - - You'll also need to set two fields in this structure: > + - You'll also need to set following fields in this structure: > =20 > - flags: > TODO: Can it be modified by the driver itself, or > @@ -421,6 +421,9 @@ supported. > that is supposed to push the current transaction descriptor to a > pending queue, waiting for issue_pending to be called. > =20 > + - phys: Physical address of the descriptor which is used later by > + the dma engine to read the descriptor and initiate transfer. > + > - In this structure the function pointer callback_result can be > initialized in order for the submitter to be notified that a > transaction has completed. In the earlier code the function pointer The wording LGTM, thanks! Reviewed-by: Bagas Sanjaya --=20 An old man doll... just what I always wanted! - Clara --U9VBp7oVmCj/Mqtc Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCaSZztQAKCRD2uYlJVVFO o3iXAP9hXC3MnhskzYfaAyFleh+Po17o9hELn1Mf7RwHDBrknQD+LKtDpNOsLJVe M+AIvBjSO5AFnmkh3L8D5e+INwmlcQA= =XV4N -----END PGP SIGNATURE----- --U9VBp7oVmCj/Mqtc--