From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f174.google.com (mail-pf1-f174.google.com [209.85.210.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8618D283FC3 for ; Thu, 5 Mar 2026 08:29:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772699371; cv=none; b=ue+kLqq5aD3GeCFQ0xuAVSJF75GCdYB1ph1YcIE/RTANofXur6JmzZZLLIsJ4zDFfLyyiH5rjvLnKxjB3HJ1Tb51WsiDcXBNIXAk+X4lQAk/fRXgZfchGHXDFxqhznqZSI2YG7d9Zp7MrHACJElN9ZNcRkCadzMp/8AL3twnHlg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772699371; c=relaxed/simple; bh=jH+e+v82gVnDOt60DWUZHAal9LIITYOK/nURxsQknQA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WnxLzZV70slH/fiypbIiariTb2a/31RvL9U1vPjbnI0jpN67qY40OSjQEV2OGGUjwgZ8L2Nl2lbPdlQrByEcg+zvBnQTBkNn863QrELZW3vLHlWv91nZkc1o9LpXqD9Rj7qrd6ETkv2e1HfT2PDBYBzUhmb1msVK3+7vWufhc2A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=W6bJlRMw; arc=none smtp.client-ip=209.85.210.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W6bJlRMw" Received: by mail-pf1-f174.google.com with SMTP id d2e1a72fcca58-82748095892so3836511b3a.0 for ; Thu, 05 Mar 2026 00:29:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772699370; x=1773304170; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=YGYEzO7qkE8Sc5u/+WF8bOCRqDgQZaCrql82uLk7zds=; b=W6bJlRMwgBIhB2+609eoNs3L2OeTEI6uYmNHH7xpbIiCOstgIcnP5Vb3py2fQvA276 W6UW6zs9r4fevdLP7JKq/xB5xG/jH7yjP6j3mIUQv9rirDJcJvb6SZgZ/N4ZuITBBK9m zIV6tWilIwTtaDQ7CvHzXMdiiKg3BBI7NtG9GDo7DyEcfE19pTnA5qx9oHjao1UhgVNt JEDTpO/7ZmtylqkEHL+7YSPT/6wSsCq+A3IKayLhQiusHiBiZgJkBd3biBpaNLa79nvx HUFngnhtwJz0jTEcYmHsyKYWPm57WO2GtJkt3zLb79rUzhIIYQXiW4UOaVTxYOufqbwb 9pcw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772699370; x=1773304170; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=YGYEzO7qkE8Sc5u/+WF8bOCRqDgQZaCrql82uLk7zds=; b=kTPobk0tJQuQK7jc0970YIlyKbSmi+8LOU0lQtYDV/EZ1UQKXxkSbAYZbiNNtqAwiI bRug/spu2f1ppl/AUbLivwOOx+8ZwgixCfXtv0286dwEPk0+TfR9Fi1iWarXMwqNsx2f NhXTgdktwOvR0la11Esbylu+2wYxzeVbse3yx0NcZPSX43OsHKdXtL04tKRuD1NxHikP EZqsoGrzU0GcLZANwHDNWctUPpCg2rySoEl9c+2ibhPfVUDfyp8SIPSN/cplI+/+F3H5 GvpuM+y3o55IIuOGkp4mDLq4Bs2uxyjNbNhVeNeFnrECCRa/UUoNCrpOKfkvBs+2EjmM 8YYw== X-Forwarded-Encrypted: i=1; AJvYcCW6aR56DgnDkNlUzx3RZOJz0Dsh6ppHiIWawGyWtLxCgeXeS7z2L8MJJ3nbohE22m9gIw3DIl1hLUEPKBw=@vger.kernel.org X-Gm-Message-State: AOJu0YxN/vwMSeXZPfC4quR49sfHxKFsb99EPNQsOhzTooGA2fXo7QHO E4ouoXJ8e0L4GVi/WJGKoyfIP0++0I47C1ZznzPzXTkHS0D8/530GFR8 X-Gm-Gg: ATEYQzxDY05tUcpexs90fzIGRJ3WZ/LEhadIAndQkT5zA1TPlzsVsIjHqWCFWHaR1WQ 3U47ADUki/SG90QGyYW3EOWmyYT9SGR5SAsf7FeyzIhbaqI8vDi1r1VV1AAwWE1Og2zrjZwLBUd qlhCI6WddctJT6yxdWPTsoEBU+5orbvmTjEA6HxKTiiimWYMesV71/DN94OOSeh1n098Z+7xRJz 5Jo3ZIHIOo8vRZy9DJSpCLoaAjcKQmbPvf20ylE2MjpmjeaGB2OSt70bwtPJxNEgaCUTPF25xpf isY4Dfh+34ueRHvw9DzqPv07aeyqoCYdAQsY/Tlzscm15Lo0Kk+nvh+ew8QZs7sgbuW0fGMh472 Ys2TuhyktmJ+N9DBVqm8YIxCJ6dSwsjYxJV2AVEHIQ0A/hYYCOF85Q0Uuab4iN2g9E5pO8/4ZWu h4NZ+JPpdu40pa5weM5IXPF6VHdR8= X-Received: by 2002:a05:6a00:12e6:b0:81f:3fbd:ccf with SMTP id d2e1a72fcca58-82972b58c4amr4691981b3a.23.1772699369906; Thu, 05 Mar 2026 00:29:29 -0800 (PST) Received: from bsp.. ([58.84.61.62]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8298e640d6esm811574b3a.52.2026.03.05.00.29.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Mar 2026 00:29:29 -0800 (PST) From: Rahul Navale To: Folker Schwesinger Cc: Rahul Navale , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, vkoul@kernel.org, Frank.Li@kernel.org, michal.simek@amd.com, suraj.gupta2@amd.com, thomas.gessler@brueckmann-gmbh.de, radhey.shyam.pandey@amd.com, tomi.valkeinen@ideasonboard.com, rahulnavale04@gmail.com, marex@nabladev.com, marex@denx.de Subject: Re: [RFC PATCH] dmaengine: xilinx_dma: Fix per-channel direction reporting via device_caps Date: Thu, 5 Mar 2026 13:59:17 +0530 Message-ID: <20260305082919.5940-1-rahulnavale04@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Rahul Navale >Could you show the debug output from dma_get_slave_caps()? logs: <4>[ 0.302360] dma_slave_caps: <4>[ 0.302364] src_addr_widths = 0x00000000 <4>[ 0.302368] dst_addr_widths = 0x00000000 <4>[ 0.302371] directions = 0x00000000 <4>[ 0.302374] min_burst = 0x00000000 <4>[ 0.302377] max_burst = 0x00000000 <4>[ 0.302380] max_sg_burst = 0x00000000 <4>[ 0.302383] cmd_pause = 0x00 <4>[ 0.302386] cmd_resume = 0x00 <4>[ 0.302388] cmd_terminate = 0x00 <4>[ 0.302391] residue_granularity= 0x00000000 <4>[ 0.302394] descriptor_reuse = 0x00 <4>[ 0.302398] xilinx_dma_device_caps: caps->directions = 0x00000001 <4>[ 0.302401] xilinx_dma_device_caps: caps->directions = 0x00000001 <4>[ 0.302404] dma_slave_caps: <4>[ 0.302406] src_addr_widths = 0x00000000 <4>[ 0.302409] dst_addr_widths = 0x00000000 <4>[ 0.302412] directions = 0x00000001 <4>[ 0.302415] min_burst = 0x00000000 <4>[ 0.302418] max_burst = 0x00000000 <4>[ 0.302421] max_sg_burst = 0x00000000 <4>[ 0.302423] cmd_pause = 0x00 <4>[ 0.302426] cmd_resume = 0x00 <4>[ 0.302429] cmd_terminate = 0x01 <4>[ 0.302431] residue_granularity= 0x00000001 <4>[ 0.302434] descriptor_reuse = 0x00