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authorHauke Mehrtens <hauke@hauke-m.de>2015-05-13 00:23:00 +0300
committerBjorn Helgaas <bhelgaas@google.com>2015-05-20 17:19:40 +0300
commitc1e02ceaf5739d32f092ac07bf886a0281ec40b1 (patch)
tree670377245f8b8541ba5b43f08db8939107bd4677 /drivers/pci
parent5ebe6afaf0057ac3eaeb98defd5456894b446d22 (diff)
downloadlinux-c1e02ceaf5739d32f092ac07bf886a0281ec40b1.tar.xz
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>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/host/pcie-iproc-platform.c2
-rw-r--r--drivers/pci/host/pcie-iproc.c2
-rw-r--r--drivers/pci/host/pcie-iproc.h1
3 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c
index afad6c21fcfa..c8aa06f10d73 100644
--- 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 platform_device *pdev)
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");
diff --git a/drivers/pci/host/pcie-iproc.c b/drivers/pci/host/pcie-iproc.c
index 329e1b54528b..cef31f6a1242 100644
--- 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 *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;
diff --git a/drivers/pci/host/pcie-iproc.h b/drivers/pci/host/pcie-iproc.h
index e28075ed1856..a333d4b7723a 100644
--- 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);