From mboxrd@z Thu Jan 1 00:00:00 1970 From: dhdang@apm.com (Duc Dang) Date: Wed, 16 Sep 2015 17:31:40 -0700 Subject: [PATCH 1/1] PCI/MSI: X-Gene: Remove msi_controller assignment in X-Gene PCIe driver Message-ID: <1442449900-30842-1-git-send-email-dhdang@apm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org With commit 8d63bc7beaee ("PCI/MSI: pci-xgene-msi: Get rid of struct msi_controller"), it is no longer required to assign msi_controller for X-Gene PCIe host bridge to support MSI. This patch removes this unnecessary code and also helps avoid a warning message ("failed to enable MSI") during boot. Signed-off-by: Duc Dang Cc: Tanmay Inamdar --- drivers/pci/host/pci-xgene.c | 22 ---------------------- 1 file changed, 22 deletions(-) diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c index 0236ab9..ae00ce2 100644 --- a/drivers/pci/host/pci-xgene.c +++ b/drivers/pci/host/pci-xgene.c @@ -509,24 +509,6 @@ static int xgene_pcie_setup(struct xgene_pcie_port *port, return 0; } -static int xgene_pcie_msi_enable(struct pci_bus *bus) -{ - struct device_node *msi_node; - - msi_node = of_parse_phandle(bus->dev.of_node, - "msi-parent", 0); - if (!msi_node) - return -ENODEV; - - bus->msi = of_pci_find_msi_chip_by_node(msi_node); - if (!bus->msi) - return -ENODEV; - - of_node_put(msi_node); - bus->msi->dev = &bus->dev; - return 0; -} - static int xgene_pcie_probe_bridge(struct platform_device *pdev) { struct device_node *dn = pdev->dev.of_node; @@ -567,10 +549,6 @@ static int xgene_pcie_probe_bridge(struct platform_device *pdev) if (!bus) return -ENOMEM; - if (IS_ENABLED(CONFIG_PCI_MSI)) - if (xgene_pcie_msi_enable(bus)) - dev_info(port->dev, "failed to enable MSI\n"); - pci_scan_child_bus(bus); pci_assign_unassigned_bus_resources(bus); pci_bus_add_devices(bus); -- 1.9.1