diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.1/030-PCI-iproc-Allow-override-of-device-tree-IRQ-mapping-.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.1/030-PCI-iproc-Allow-override-of-device-tree-IRQ-mapping-.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/bcm53xx/patches-4.1/030-PCI-iproc-Allow-override-of-device-tree-IRQ-mapping-.patch b/target/linux/bcm53xx/patches-4.1/030-PCI-iproc-Allow-override-of-device-tree-IRQ-mapping-.patch new file mode 100644 index 0000000..9050f72 --- /dev/null +++ b/target/linux/bcm53xx/patches-4.1/030-PCI-iproc-Allow-override-of-device-tree-IRQ-mapping-.patch @@ -0,0 +1,53 @@ +From c1e02ceaf5739d32f092ac07bf886a0281ec40b1 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Tue, 12 May 2015 23:23:00 +0200 +Subject: [PATCH 1/2] PCI: iproc: Allow override of device tree IRQ mapping + function + +The iProc core PCIe driver defaults to using of_irq_parse_and_map_pci() for +IRQ mapping. Add iproc_pcie.map_irq so bus interfaces that don't use +device tree can override this by supplying their own IRQ mapping function. + +[bhelgaas: changelog] +Posting: http://lkml.kernel.org/r/1431465781-10753-1-git-send-email-hauke@hauke-m.de +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> +Reviewed-by: Ray Jui <rjui@broadcom.com.com> +--- + drivers/pci/host/pcie-iproc-platform.c | 2 ++ + drivers/pci/host/pcie-iproc.c | 2 +- + drivers/pci/host/pcie-iproc.h | 1 + + 3 files changed, 4 insertions(+), 1 deletion(-) + +--- a/drivers/pci/host/pcie-iproc-platform.c ++++ b/drivers/pci/host/pcie-iproc-platform.c +@@ -71,6 +71,8 @@ static int iproc_pcie_pltfm_probe(struct + + pcie->resources = &res; + ++ pcie->map_irq = of_irq_parse_and_map_pci; ++ + ret = iproc_pcie_setup(pcie); + if (ret) { + dev_err(pcie->dev, "PCIe controller setup failed\n"); +--- a/drivers/pci/host/pcie-iproc.c ++++ b/drivers/pci/host/pcie-iproc.c +@@ -229,7 +229,7 @@ int iproc_pcie_setup(struct iproc_pcie * + + pci_scan_child_bus(bus); + pci_assign_unassigned_bus_resources(bus); +- pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci); ++ pci_fixup_irqs(pci_common_swizzle, pcie->map_irq); + pci_bus_add_devices(bus); + + return 0; +--- a/drivers/pci/host/pcie-iproc.h ++++ b/drivers/pci/host/pcie-iproc.h +@@ -34,6 +34,7 @@ struct iproc_pcie { + struct pci_bus *root_bus; + struct phy *phy; + int irqs[IPROC_PCIE_MAX_NUM_IRQS]; ++ int (*map_irq)(const struct pci_dev *, u8, u8); + }; + + int iproc_pcie_setup(struct iproc_pcie *pcie); |