From patchwork Wed Feb 5 14:57:12 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13961260 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 8A40D18C93C; Wed, 5 Feb 2025 14:58:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738767487; cv=none; b=NvN974CVJkMWCxbjI8y4J7fYINoROYuIlwApp00KOkrNQb9eK5gm2xhbRPANkEwGd0A+HE87nHys2bSKhtIAUJKfwnErqXdJfwnRzhBDR+l3vqJ/FhtaTL03uZ9cUvaKmpdHOK4qvDB2pYv9RnsqDc5XT/zpttiEPeHLrhE0FpA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738767487; c=relaxed/simple; bh=LWWSgceP4b2NC/0ZlJaLRWZ5tS4LiVtbK0mjSJfEAow=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GvX6+umBESP1p8palf6JzeO7iCiIyn+ZaCgU6iOdwfyuqcxMn7FMJyvs2lydY7/h6H1Qoz6izILQ0U1wYm7exUqd+Xl3YjHvblY90s8k5Mow60GyqKCnyx9m5bzmMnQCILj0QpnQDpcyjphh5ekn0jpG3K7Cztfkw9ZhsRtgjoI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=BAIS/m/r; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="BAIS/m/r" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738767486; x=1770303486; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LWWSgceP4b2NC/0ZlJaLRWZ5tS4LiVtbK0mjSJfEAow=; b=BAIS/m/r2jG7ZMvbTewcq3o6ByGYFSImQeD8iYBKASgy2mAZp9IcNnRp I7JQfUA+O10koBCZQ33R3Sfr2nrnXLsW7d3PvzNIsXJ+ODkyUe9cI6NTW hAgN9+SpBdAZj0XuGLaHUGNVQn/+Z7NWAeMWcJ9idzlkdf+mVfRpxw0u4 MMncFM6Th0ppbpwt18Alk9nlJMVFh9gXdF0mdWdBuaXLENdncbVrzze26 u1y1n7M/kPVy677ngHgGDhRFRSKX72AOjzGhxkYfkeK6oyWuGKXwHjgpo OVqXQOeu56/HPv9tGx00ldNjZUxCR/UhHJeUn1GlE4RIQtqdKRoUtrJlY w==; X-CSE-ConnectionGUID: /+kZMUreRM6X33nKYcZ/Qg== X-CSE-MsgGUID: y1SR6VHTQSqtogm/mS47Dg== X-IronPort-AV: E=McAfee;i="6700,10204,11336"; a="39599705" X-IronPort-AV: E=Sophos;i="6.13,261,1732608000"; d="scan'208";a="39599705" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2025 06:58:03 -0800 X-CSE-ConnectionGUID: K6nc5QcQSXiYTt2XdJuX+A== X-CSE-MsgGUID: TxFOuydCRDyH9A6DioS8jA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,261,1732608000"; d="scan'208";a="115968401" Received: from black.fi.intel.com ([10.237.72.28]) by fmviesa004.fm.intel.com with ESMTP; 05 Feb 2025 06:58:01 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id CD62914E; Wed, 05 Feb 2025 16:57:58 +0200 (EET) From: Andy Shevchenko To: Vinod Koul , Amelie Delaunay , Frank Li , Paul Cercueil , Randy Dunlap , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org Cc: Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Andy Shevchenko Subject: [PATCH v3 4/4] dmaengine: Unify checks in dma_request_chan() Date: Wed, 5 Feb 2025 16:57:12 +0200 Message-ID: <20250205145757.889247-5-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.43.0.rc1.1336.g36b5255a03ac In-Reply-To: <20250205145757.889247-1-andriy.shevchenko@linux.intel.com> References: <20250205145757.889247-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use dev_fwnode() to simplify the check logic for Device Tree and ACPI in dma_request_chan(). Signed-off-by: Andy Shevchenko --- drivers/dma/dmaengine.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index dd4224d90f07..758fcd0546d8 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -40,6 +40,8 @@ #include #include #include +#include +#include #include #include #include @@ -812,15 +814,13 @@ static const struct dma_slave_map *dma_filter_match(struct dma_device *device, */ struct dma_chan *dma_request_chan(struct device *dev, const char *name) { + struct fwnode_handle *fwnode = dev_fwnode(dev); struct dma_device *d, *_d; struct dma_chan *chan = NULL; - /* If device-tree is present get slave info from here */ - if (dev->of_node) - chan = of_dma_request_slave_channel(dev->of_node, name); - - /* If device was enumerated by ACPI get slave info from here */ - if (has_acpi_companion(dev) && !chan) + if (is_of_node(fwnode)) + chan = of_dma_request_slave_channel(to_of_node(fwnode), name); + else if (is_acpi_device_node(fwnode)) chan = acpi_dma_request_slave_chan_by_name(dev, name); if (PTR_ERR(chan) == -EPROBE_DEFER)