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 7EF763909A3 for ; Mon, 31 Aug 2026 14:50:09 +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=1788187810; cv=none; b=hkrLkKf7beUbf9g/g8chQ09M5uH64igA3AfGqAysLgp+l31qE04Wg3z5NJtmPQf/zJFnrKfYQgAeI/HvfAPgdaZ4+ruVTYoGiXZ9+mtQC6SP3gOHdOczidQ76ReQurHPB4rDdPQzQQtlwgcZVR9Jnfpx1oMDq9EXVgTtexKQYkA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788187810; c=relaxed/simple; bh=osySeEKmQA/GbtK+0VPhnkLbxZwvOxHNvt1exs5qJPU=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=eBdNa5JAU5lnK8ret9yYzjU1paa5RymSCCXV84u7JzyhzUJoaCeTTGb3xuazC4MWpMCYVSVXlbGyddn03E7hcYx0F4H0QoKxMPhNiixxcTJt6QsNUOKKW2XSmJ2VqAHR/xEKO9KfYFW+oFAaOnVJA/x5TVZB0HlNfqT63eOu2ZE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TrgLEWro; 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="TrgLEWro" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0DD2E1F000E9; Mon, 31 Aug 2026 14:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788187809; bh=osySeEKmQA/GbtK+0VPhnkLbxZwvOxHNvt1exs5qJPU=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=TrgLEWrojqSBOoBvmiBYAGuPpa+5L0mjGRYjP8KYVu47vpREubI3+Rka75++oVeZK w5i+iibsV8vhuPhIr3UwTTQPyNhpX49diQaPo4O/eF+8Kj3UXkFfijkaqy8Ga0ZAzq gM0tLjFuLhRfDvvPHz5TPuLoZBEvxQpChB8mFrRhJLBDvaWLc5/ZKxjBPT97PPH1/+ 2Hv7wSlx93xRqqEn7lcqMA3mUyTgNIYbFmReyYVxlkQhb/4WtbWC7hssVydyEBWpWd ul60vyNmSiIlx+I3k4At5J56T5ZR/4aMF72RyA0JNy5wYLmI0Nbuxa66Ry4LVa1sxh SuIufTU1e4SYw== From: sashiko-bot@kernel.org Subject: Re: [PATCH AUTOSEL 6.18-5.10] PCI: Avoid SBR for Qualcomm WCN6855/WCN7850 WiFi, SDX62/SDX65 modems Reply-To: sashiko-reviews@lists.linux.dev To: "Sasha Levin" Cc: linux-pci@vger.kernel.org In-Reply-To: <20260831133314.4125787-201-sashal@kernel.org> References: <20260831133314.4125787-1-sashal@kernel.org> <20260831133314.4125787-201-sashal@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 31 Aug 2026 14:50:08 +0000 Message-Id: <20260831145009.0DD2E1F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Jose Ignacio Tornos Martinez >=20 > [ Upstream commit 6a4f64c3a3ada43e71ef1e06da89beb36bdaeefa ] >=20 > Some Qualcomm PCIe devices (WCN6855/WCN7850 WiFi cards, SDX62/SDX65 modem= s) > do not properly support Secondary Bus Reset (SBR). >=20 > Testing confirms this is device-specific, not deployment-specific: > MediaTek MT7925e successfully uses bus reset through the same passive > M.2-to-PCIe adapters where Qualcomm devices fail, proving PERST# is > properly wired through the adapters. >=20 > Prevent use of Secondary Bus Reset for these devices. >=20 > Signed-off-by: Jose Ignacio Tornos Martinez > Signed-off-by: Bjorn Helgaas > Link: https://lore.kernel.org/all/20260609163649.319755-4-jtornosm@redhat= .com > Signed-off-by: Sasha Levin Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260831133314.4125= 787-201-sashal@kernel.org?part=3D1