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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Feb 2023 11:17:30.7776 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e99e9885-9c41-4aec-3964-08db09c611bb X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT102.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB5962 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: Jeffy Chen Currently we are considering the first irq as the PCI interrupt pin, but a PCI device may have multiple interrupts(e.g. PCIe WAKE# pin). Only parse the PCI interrupt pin when the irq is unnamed or named as "pci". Signed-off-by: Jeffy Chen Signed-off-by: Manikanta Maddireddy Reviewed-by: Thierry Reding --- Changes in v14: Address Rob's comment on using of_property_match_string(). Changes in v13: None Changes in v12: None Changes in v11: Address Brian's comments. Changes in v10: None Changes in v9: None Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v3: None Changes in v2: None drivers/pci/of.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/pci/of.c b/drivers/pci/of.c index 196834ed44fe..ff897c40ed71 100644 --- a/drivers/pci/of.c +++ b/drivers/pci/of.c @@ -429,9 +429,17 @@ static int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args * */ dn = pci_device_to_OF_node(pdev); if (dn) { - rc = of_irq_parse_one(dn, 0, out_irq); - if (!rc) - return rc; + int index = 0; + + index = of_property_match_string(dn, "interrupt-names", "pci"); + if (index == -EINVAL) /* Property doesn't exist */ + index = 0; + + if (index >= 0) { + rc = of_irq_parse_one(dn, index, out_irq); + if (!rc) + return rc; + } } /*