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Fri, 01 May 2026 10:11:54 -0700 (PDT) X-Received: by 2002:a17:90b:2b45:b0:35b:a418:698c with SMTP id 98e67ed59e1d1-3650cd988e4mr115264a91.12.1777655514265; Fri, 01 May 2026 10:11:54 -0700 (PDT) Received: from [192.168.1.102] ([120.60.59.253]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-364ebf2affdsm3628258a91.8.2026.05.01.10.11.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 01 May 2026 10:11:53 -0700 (PDT) From: Manivannan Sadhasivam X-Google-Original-From: Manivannan Sadhasivam To: linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, bhelgaas@google.com, Ratheesh Kannoth Cc: will@kernel.org, lpieralisi@kernel.org, kwilczynski@kernel.org, robh@kernel.org, vidyas@nvidia.com, Bjorn Helgaas In-Reply-To: <20260414081730.3864372-1-rkannoth@marvell.com> References: <20260414081730.3864372-1-rkannoth@marvell.com> Subject: Re: [PATCH v2] PCI: host-common: Request bus reassignment when not probe-only Message-Id: <177765551005.15551.445091492424222415.b4-ty@b4> Date: Fri, 01 May 2026 22:41:50 +0530 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.15.0 X-Authority-Analysis: v=2.4 cv=EpHiaycA c=1 sm=1 tr=0 ts=69f4dedb cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=VvXziC1WMG9Np/cC0Lm1wA==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=arANb0FDTjGILoVY1XUA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-GUID: lZlra0icTMY4SgcGcTBUy8D73JXP9xDt X-Proofpoint-ORIG-GUID: lZlra0icTMY4SgcGcTBUy8D73JXP9xDt X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTAxMDE2OSBTYWx0ZWRfXz9fVVIhptuBI hOpg3eOHNkngh4HlzEkMWmTlmWn2pYPgfZLX7IN8likJM47IXY+c4aN/PDv/coadLKV+R5t7uq7 9uvop2gwReVEh1as1Dy1tbo/3L7a3nPuVsom9LT2CQqEC9RQyaUmOJ0kgFt+JS2RhBanpjGkMuU qJUzZ+Wyizo07vT6+612Iz4jP1gJB3C3C9pB3mg1pULriviw2mTPHnNJwQE+PiD27lzCUj5FDbZ wP87hx4NC6B+rX6la/fa8I1hwWdjgn+DVjnfIHP6/Y1UC2/vqhZCNAwFAeGSITEUC24HP/0MGZd 1JCbvfRlFQf6+sVbB4KdZeYpsEZyE8Uk61NQJrpJRKn71ZQu1vrL9bdJuJwb5MHCQPTzYVAZHk0 ttfHvsxzIHzjPXD2qYyVwimT2TyZb7VWbvblnncflVDi8FKoMa2jd6gCeoqqnLYIBJsJlmD4ZXz fZA3d+PIHf6a0pJ4Ldw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-01_04,2026-04-30_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 impostorscore=0 bulkscore=0 suspectscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605010169 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260501_101156_060762_DA58C763 X-CRM114-Status: GOOD ( 11.78 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, 14 Apr 2026 13:47:30 +0530, Ratheesh Kannoth wrote: > pci_host_common_init() is used by several generic ECAM host drivers. > After PCI core changes around pci_flags and preserve_config, these hosts > no longer opted into full bus number reassignment the way they did > before. > > When PCI_PROBE_ONLY is not set, add PCI_REASSIGN_ALL_BUS so > pci_scan_bridge_extend() takes the reassignment path: bus numbers can be > assigned from firmware EA data (e.g. pci_ea_fixed_busnrs()). Skip the > flag in probe-only mode so existing assignments are not overridden. > > [...] Applied, thanks! [1/1] PCI: host-common: Request bus reassignment when not probe-only commit: 76d06fb36e8e6d1705fbbf75a450e5725199ed5f Best regards, -- Manivannan Sadhasivam