From patchwork Thu Feb 6 22:03:06 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 13963832 X-Patchwork-Delegate: geert@linux-m68k.org Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0932323AE84; Thu, 6 Feb 2025 22:03:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738879419; cv=none; b=m4KYB9mPnn/SaexhwhhD647ylBfTDABxvGa4hVR3YRNYE2gSlV5mTmS7hDvBKy5XtXQ0HFRWCVrQ4+VwQKSBPERUeAdIMwsPs0GdxrsPdfk5WMn8zih3D0tYJSIL0u0AyUGqZEHFSJxNUqHoFCpUbRAuFEEughpnWqkProLbPvo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738879419; c=relaxed/simple; bh=gPWwEg+c0RVkib5Dg5atR5RUelEO6ntOqIKyfs1WOk8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=FDisT+j/0DQOJXe5/7MAi8mfo68TE+R6+QRX9KSXXH43V8BHX5tzOYjJcniY858DuitnS+9qZQHsowiY4yyJZOg+/wxmpfJw2sOS78IEH9sWZQuiYvuFO1MxRA1VZy0o5WXiMCLOnsC8fSyWITljxyhoVt2I05Yz6PdjnFbIJqs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com; spf=pass smtp.mailfrom=renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=renesas.com X-CSE-ConnectionGUID: mSjcAm+cQN6f6blKrBQi2w== X-CSE-MsgGUID: kH+sbF2QR+u9zUte5Ou0+Q== Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 07 Feb 2025 07:03:37 +0900 Received: from mulinux.example.org (unknown [10.226.93.55]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id B200340AF4BB; Fri, 7 Feb 2025 07:03:34 +0900 (JST) From: Fabrizio Castro To: Vinod Koul , Geert Uytterhoeven Cc: Fabrizio Castro , Biju Das , Wolfram Sang , =?utf-8?q?Uwe_Kleine-K?= =?utf-8?q?=C3=B6nig?= , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Lad Prabhakar , linux-renesas-soc@vger.kernel.org Subject: [PATCH 5/7] dmaengine: sh: rz-dmac: Allow for multiple DMACs Date: Thu, 6 Feb 2025 22:03:06 +0000 Message-Id: <20250206220308.76669-6-fabrizio.castro.jz@renesas.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250206220308.76669-1-fabrizio.castro.jz@renesas.com> References: <20250206220308.76669-1-fabrizio.castro.jz@renesas.com> Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 dma_request_channel calls into __dma_request_channel with NULL as value for np, which won't allow for the selection of the correct DMAC when multiple DMACs are available. Switch to using __dma_request_channel directly so that we can choose the desired DMA for the channel. This is in preparation of adding DMAC support for the Renesas RZ/V2H(P) and similar SoCs. Signed-off-by: Fabrizio Castro --- drivers/dma/sh/rz-dmac.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/dma/sh/rz-dmac.c b/drivers/dma/sh/rz-dmac.c index 9235db551026..d7a4ce28040b 100644 --- a/drivers/dma/sh/rz-dmac.c +++ b/drivers/dma/sh/rz-dmac.c @@ -748,7 +748,8 @@ static struct dma_chan *rz_dmac_of_xlate(struct of_phandle_args *dma_spec, dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - return dma_request_channel(mask, rz_dmac_chan_filter, dma_spec); + return __dma_request_channel(&mask, rz_dmac_chan_filter, dma_spec, + ofdma->of_node); } /*