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From: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
To: <linux-kernel@vger.kernel.org>
Cc: <bhelgaas@google.com>, <rgummal@xilinx.com>,
	Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
Subject: [PATCH v2 3/4] PCI/portdrv: Check platform supported service IRQ's
Date: Wed, 14 Nov 2018 20:17:57 +0530	[thread overview]
Message-ID: <1542206878-24587-4-git-send-email-bharat.kumar.gogada@xilinx.com> (raw)
In-Reply-To: <1542206878-24587-1-git-send-email-bharat.kumar.gogada@xilinx.com>

Platforms may have dedicated IRQ lines for PCIe services like
AER/PME etc., check for such IRQ lines.
Check if platform has any dedicated IRQ lines for PCIe
services.

Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gogada@xilinx.com>
---
 drivers/pci/pcie/portdrv_core.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index f458ac9..8e37beb 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -330,6 +330,14 @@ int pcie_port_device_register(struct pci_dev *dev)
 			goto error_disable;
 	}
 
+	/*
+	 * Some platforms have dedicated interrupt line from root complex to
+	 * interrupt controller for PCIe services like AER/PME etc., check
+	 * if platform registered with any such IRQ.
+	 */
+	if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+		pci_check_platform_service_irqs(dev, irqs, capabilities);
+
 	/* Allocate child services if any */
 	status = -ENODEV;
 	nr_service = 0;
-- 
2.7.4


  parent reply	other threads:[~2018-11-14 14:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-14 14:47 [PATCH v2 0/4] Add support to register platform service IRQ Bharat Kumar Gogada
2018-11-14 14:47 ` [PATCH v2 1/4] PCI: Add setup_platform_service_irq hook to struct pci_host_bridge Bharat Kumar Gogada
2018-11-14 14:47 ` [PATCH v2 2/4] PCI: Add pci_check_platform_service_irqs Bharat Kumar Gogada
2018-11-14 14:47 ` Bharat Kumar Gogada [this message]
2018-11-14 14:47 ` [PATCH v2 4/4] PCI: xilinx-nwl: Add method to setup_platform_service_irq hook Bharat Kumar Gogada
2018-12-06 15:47 ` [PATCH v2 0/4] Add support to register platform service IRQ Bharat Kumar Gogada

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