From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 21D6A2DE717 for ; Sat, 28 Feb 2026 17:52:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301134; cv=none; b=K+hivw3cufWoeNXGZAmKKWJw91HGlPjEhO0thhvN3TDTrbzM28WLcal+yYUmb1KBgQRKV1RNK3XxMwq46jsuxLSR55dpx5xw5YTnUI/ELA3N8o9fLFg4yKIzxcKCRPJC/KuhQqLmfTUVtp4qwjqReJ6Iy95KZFbTFHfekQMVXRo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301134; c=relaxed/simple; bh=9n/77D7SHGD+jZCD8YEk5TpknP8Mf7bg0I7zM6fLeSc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=eiX8Atecjnn+cL+vhGrdF8J7kiPBDLvoKxtc9952hltEmPlxsSyyxwvs1Oxwl1TP9NPWVllcurK+2M2ZoqsCagg2J+A5e+HQLrg4POX9Pm9DyxgXzKmXfVQHAih0uDRhENZwt5Qt5P2h0rgMm3SXEPVHpylA00MYJK0g9TU3mcQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=E/MRu7Tx; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="E/MRu7Tx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4886FC116D0; Sat, 28 Feb 2026 17:52:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301133; bh=9n/77D7SHGD+jZCD8YEk5TpknP8Mf7bg0I7zM6fLeSc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E/MRu7Txde800Eiirup+7iQRcMbtezjBesme/JP73cHp6KDZwuZY5gClMqXc8IE/W 4QH5rTDpe8JCiOIIyz/42F7qC6vUafuyBrRi7LsByXyZ2luaZNsl4KK5XOQCezvZoM 5TCgVJarU2mO8SDxKCC09kKs8t337uwySzVDK1Gmhz3HMY3ph50xUGed1/pIJrCDUq YEkF8gypzZCx7Y2l6hAXIow3Unqvr1ADPbY2zGk61Gsd4aUGpQL+2hYT3nEnGsp3MC CRRAOwP6wve4/9+pwB9jYkCDc6Hah6jieesSKd1Xr2UTnbeCa0a39kj7Q0V/41YB2C 2L+RXQKv5KdZg== From: Sasha Levin To: patches@lists.linux.dev Cc: Krishna Chaitanya Chundru , Bjorn Helgaas , Sasha Levin Subject: [PATCH 6.18 293/752] PCI: Add ACS quirk for Qualcomm Hamoa & Glymur Date: Sat, 28 Feb 2026 12:40:04 -0500 Message-ID: <20260228174750.1542406-293-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Krishna Chaitanya Chundru [ Upstream commit 44d2f70b1fd72c339c72983fcffa181beae3e113 ] The Qualcomm Hamoa & Glymur Root Ports don't advertise an ACS capability, but they do provide ACS-like features to disable peer transactions and validate bus numbers in requests. Add an ACS quirk for Hamoa & Glymur. Signed-off-by: Krishna Chaitanya Chundru Signed-off-by: Bjorn Helgaas Link: https://patch.msgid.link/20260109-acs_quirk-v1-1-82adf95a89ae@oss.qualcomm.com Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index c38434d973cd2..62554152caf37 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -5117,6 +5117,10 @@ static const struct pci_dev_acs_enabled { { PCI_VENDOR_ID_QCOM, 0x0401, pci_quirk_qcom_rp_acs }, /* QCOM SA8775P root port */ { PCI_VENDOR_ID_QCOM, 0x0115, pci_quirk_qcom_rp_acs }, + /* QCOM Hamoa root port */ + { PCI_VENDOR_ID_QCOM, 0x0111, pci_quirk_qcom_rp_acs }, + /* QCOM Glymur root port */ + { PCI_VENDOR_ID_QCOM, 0x0120, pci_quirk_qcom_rp_acs }, /* HXT SD4800 root ports. The ACS design is same as QCOM QDF2xxx */ { PCI_VENDOR_ID_HXT, 0x0401, pci_quirk_qcom_rp_acs }, /* Intel PCH root ports */ -- 2.51.0