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Wed, 21 Jan 2026 11:35:46 +0000 (GMT) Received: from pps.filterd (iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (8.18.1.2/8.18.1.2) with ESMTP id 60LBCIrn019000; Wed, 21 Jan 2026 11:35:46 GMT Received: from lab61.no.oracle.com (lab61.no.oracle.com [10.172.144.82]) by iadpaimrmta03.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 4bsyrry2rv-1; Wed, 21 Jan 2026 11:35:46 +0000 From: =?UTF-8?q?H=C3=A5kon=20Bugge?= To: Bjorn Helgaas Cc: Johannes Thumshirn , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org Subject: [PATCH v2 0/2] PCI: Init RCB from pci_configure_device and fix program_hpx_type2 Date: Wed, 21 Jan 2026 12:35:39 +0100 Message-ID: <20260121113544.4163457-1-haakon.bugge@oracle.com> X-Mailer: git-send-email 2.43.5 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-21_01,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=727 phishscore=0 adultscore=0 malwarescore=0 bulkscore=0 suspectscore=0 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2601150000 definitions=main-2601210097 X-Authority-Analysis: v=2.4 cv=PqqergM3 c=1 sm=1 tr=0 ts=6970ba12 b=1 cx=c_pps a=qoll8+KPOyaMroiJ2sR5sw==:117 a=qoll8+KPOyaMroiJ2sR5sw==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=M51BFTxLslgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=lkFEIk0dndTVLs1Xz8EA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 cc=ntf awl=host:12104 X-Proofpoint-ORIG-GUID: --DKfuDmNZSHM_aw1c2SFXZ7MXmO9D9g X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDA5NyBTYWx0ZWRfX4QwVyPLV1QSo EHSobTm9NlNjy1Wlt8wyj1jj+WHynLg0kQCjgef/92EKy/0Z4V/RYFNRQDMZ2qghB8I+cKIu77I eLkQS7EH0IPzuWStvhlJCdNRZ3aFn5RTWJtf3FZikQDx1lx34RoEDd/XNcQ1FsZfFPA8gqM2Au3 eJVppTTzMClEOUEjLBAut5Iy+oCBDm0tNLDv6TxeaZD7/8xkLriBJZ6OKnKFyZyvNUtzV1iGvQT OKiscfYzvdifU0D0pDQ2ZuHRFDhqtYRhM4IbOeN4NvUpbXC+tRVQt/XRzzs9fQeW8/PPFfdKhWX qCp0spOLg5geiSI/yRHHedV1Rk35hlz8iS0BsV4bEsYSGuXLlIvRMKWyXdRSG++ufAG4TOKHJpO 8YVRvqBkEE0pdxtqg7Rbbes76ybYh7fNlX9jFJM5ubGiko7PIQnh2rIKzxLQrtMOyJNI9Bc5K7J VuqKQV6QUPEdu8BZ5TsAADodKRSSbKKYyxTafMWY= X-Proofpoint-GUID: --DKfuDmNZSHM_aw1c2SFXZ7MXmO9D9g This series add the initialization of the Link Control register's RCB to pci_configure_rcb() called from pci_configure_device() and also cleans up the incorrect program_hpx_type2(): 1. It should only be called when we own the PCIe native hotplug and not the AER ownership 2. It should only manipulate the AER-bits In addition, the second commit adds a warning if the _HPX type2 record attempts to modify the Link Control register. Håkon Bugge (2): PCI: Initialize RCB from pci_configure_device PCI/ACPI: Confine program_hpx_type2 to the AER bits drivers/pci/pci-acpi.c | 61 +++++++++++++++++++----------------------- drivers/pci/pci.h | 3 +++ drivers/pci/pcie/aer.c | 3 --- drivers/pci/probe.c | 27 +++++++++++++++++++ 4 files changed, 57 insertions(+), 37 deletions(-) -- 2.43.5