From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 D3C08493632 for ; Sat, 22 Aug 2026 19:27:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787426849; cv=none; b=uWP6DAKlTjNds13DjUtrriki8YNU722VexJd6+mqkS6ztBA5h0q2Xzcq8QbKfHlGRJEB+RbYvFwSdikd52Ox5q82QZon326BGr0/UcxlvHKK3FvuBN8gH59RQFxWd7d8nqW/BdsUIRj8n9UZw7+qCSdFVszlfaxfT/OdKKLWmSU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787426849; c=relaxed/simple; bh=Sfj+OWwIhuw2DNS2upVZG/n6S86vGwiJwH8bbSs6IOY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=p662Giyfvl6Bonjaw3GLvhtwBA7eNKQbw1Jssm0gzpHMt863QE6zk81/ntYinfOPFwaPhkzQJhEZVvzYtoKtQDHTFrkbYaoG0VHOnzQPmNst6cXPTxKyAr86dwtZhqBRzFdoHjCdA8v7UVCXFXTWiAlpi2q0ZT8xjBFmyv1+QT8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FFKH0L/J; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FFKH0L/J" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 093E01F000E9; Sat, 22 Aug 2026 19:27:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787426848; bh=Sfj+OWwIhuw2DNS2upVZG/n6S86vGwiJwH8bbSs6IOY=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=FFKH0L/JH8NGSacA/mfb8mDixnuYIAP1iGHz+ajyRYwfpBbjzpqkaK/YCC4ntbT91 h2Qh4a6r3mnc0XIswOaHG3nvokknbe3DeZNb3p7QGiOrm7C9El+3zIoWGGu8QrKRpB uk9/3YWYYPdUU1sSeReVT80ONZiTSOCAHVEEhZHnGPHEp5nXC1DmqzSBY3Btulemlx pcjSHubRFAlbj4GagNhO4f72z3i8vk8/HDML/zMfrTZei3Wht85s40nAMzmzm80mB8 TjHpTUgZhhF7/DoEFjsCmCAimaHbtsEWOCzobikoPrKreDQ0eiG57yI9aSF9I5cv6X Zz4JuVxu3sYNA== Date: Sat, 22 Aug 2026 12:27:27 -0700 From: Jakub Kicinski To: Daniel Pawlik Cc: netdev@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org, lorenzo@kernel.org, nbd@nbd.name, sean.wang@mediatek.com, Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, andrew+netdev@lunn.ch, yangshiji66@outlook.com Subject: Re: [PATCH v10 1/2] net: airoha: npu: fix missing streaming DMA mask Message-ID: <20260822122727.4f437bb5@kernel.org> In-Reply-To: <20260820085941.380401-1-pawlik.dan@gmail.com> References: <20260820085941.380401-1-pawlik.dan@gmail.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 20 Aug 2026 10:59:40 +0200 Daniel Pawlik wrote: > The driver calls dma_set_coherent_mask() but never dma_set_mask(), > leaving the streaming DMA mask at the bus default. On the non-coherent > EN7581 platform (Cortex-A53), this causes the NPU mailbox to hang > after approximately 41 calls when using streaming DMA mappings. Can you confirm if patch 2 is still needed after this fix?