From nobody Sun Feb 8 15:28:59 2026 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 135872EA473; Sat, 23 Aug 2025 15:57:46 +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=1755964666; cv=none; b=UnGHz1Nc3fU85rbDNIZVXxcSE66OOX2vhVtcrJquByKlML0mylYSGu7pmxl0M1AgEN3Fbsrp70LHNTRRwnlW0FaJNCf71jIQZLvk/0Sv3Tl9j907K3ahcG5/dJ9/kamkt83vxfQTr4o+BYQOunsAS+Yq0UZIe8850LHniL753tE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755964666; c=relaxed/simple; bh=KWbtZGmR1vxk04Y7G5CXe1Skc7vZRzVxtl2PKtoxGyY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=B7jFLWWd9ZwgUah94tmKPktwT3/q2dAGwVSCaouWIzhnzl2F9B11X1a946XQbsOGIv0zx+7rBRKutCluZgJOTvduWJMiujIGVYd+Wb8KRq5AwwIWaFgmsh7YXPn46rXV3+QE2Mc+psBTZ8jPDUvVt8iNH1JPy91A6Tag9789iIo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PLx3ZixC; 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="PLx3ZixC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4589C4CEF4; Sat, 23 Aug 2025 15:57:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755964665; bh=KWbtZGmR1vxk04Y7G5CXe1Skc7vZRzVxtl2PKtoxGyY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PLx3ZixC5rCj5/eVezg1t0UYlvV5cDEBwQ3KALN4OfBsNOpaiYgUkPhVFwcCYXMn4 C0/N2wRGJktQVl3BUuI/i03IoCiElCoxfvGSMUKoD4aPJl+iaTNhDe2GF0voPK55JM DYyEf/xDjGw7N77PITP7rTNS9KF4L31OAJwJivt/DFibuiqgHGDXqO3F2TRrqbcvF/ w6Iv6lWo1mVn1zT5wiy7KxbkCGL7u3KCnBY+FoeC4kny2DmlePZhafN3iwMuUKTPeH FXx51RwVPNE/EOzHdMz70t2+jYa3fGz7dcLdZ/wfkq289ZKrzf2nS++gzHqiA0lFRG 58hmAKxwT+WaA== From: Jisheng Zhang To: Vinod Koul , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robin Murphy Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 05/14] dmaengine: dma350: Register the DMA controller to DT DMA helpers Date: Sat, 23 Aug 2025 23:40:00 +0800 Message-ID: <20250823154009.25992-6-jszhang@kernel.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250823154009.25992-1-jszhang@kernel.org> References: <20250823154009.25992-1-jszhang@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Register the DMA controller to DT DMA helpers so that we convert a DT phandle to a dma_chan structure. Signed-off-by: Jisheng Zhang --- drivers/dma/arm-dma350.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/dma/arm-dma350.c b/drivers/dma/arm-dma350.c index 17af9bb2a18f..6a9f81f941b0 100644 --- a/drivers/dma/arm-dma350.c +++ b/drivers/dma/arm-dma350.c @@ -7,6 +7,7 @@ #include #include #include +#include #include #include =20 @@ -635,7 +636,7 @@ static int d350_probe(struct platform_device *pdev) if (ret) return dev_err_probe(dev, ret, "Failed to register DMA device\n"); =20 - return 0; + return of_dma_controller_register(dev->of_node, of_dma_xlate_by_chan_id, = &dmac->dma); } =20 static void d350_remove(struct platform_device *pdev) @@ -643,6 +644,7 @@ static void d350_remove(struct platform_device *pdev) struct d350 *dmac =3D platform_get_drvdata(pdev); =20 dma_async_device_unregister(&dmac->dma); + of_dma_controller_free(pdev->dev.of_node); } =20 static const struct of_device_id d350_of_match[] __maybe_unused =3D { --=20 2.50.0