diff options
| author | Lucas Stach <l.stach@pengutronix.de> | 2014-04-16 10:23:46 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-04-16 10:23:46 -0600 |
| commit | f86b3e392780050e5907f1c0f3cb6c4cc05fd6bb (patch) | |
| tree | 5b7209975d116b7a411ed8b2932e3f6899cd1500 /drivers/pci | |
| parent | 017fcdc30cdae18c0946eef1ece1f14b4c7897ba (diff) | |
| download | op-kernel-dev-f86b3e392780050e5907f1c0f3cb6c4cc05fd6bb.zip op-kernel-dev-f86b3e392780050e5907f1c0f3cb6c4cc05fd6bb.tar.gz | |
PCI: designware: Use new OF interrupt mapping when possible
Use new OF interrupt mapping (of_irq_parse_and_map_pci()) when possible.
This is the recommended method of doing the IRQ mapping. For old
devicetrees we fall back to the previous practice.
This makes INTB, INTC, and INTD work on i.MX.
Tested-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/host/pcie-designware.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index a9a62ce..c4e3732 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/msi.h> #include <linux/of_address.h> +#include <linux/of_pci.h> #include <linux/pci.h> #include <linux/pci_regs.h> #include <linux/types.h> @@ -490,7 +491,7 @@ int __init dw_pcie_host_init(struct pcie_port *pp) dw_pci.nr_controllers = 1; dw_pci.private_data = (void **)&pp; - pci_common_init(&dw_pci); + pci_common_init_dev(pp->dev, &dw_pci); pci_assign_unassigned_resources(); #ifdef CONFIG_PCI_DOMAINS dw_pci.domain++; @@ -723,7 +724,7 @@ static struct pci_bus *dw_pcie_scan_bus(int nr, struct pci_sys_data *sys) if (pp) { pp->root_bus_nr = sys->busnr; - bus = pci_scan_root_bus(NULL, sys->busnr, &dw_pcie_ops, + bus = pci_scan_root_bus(pp->dev, sys->busnr, &dw_pcie_ops, sys, &sys->resources); } else { bus = NULL; @@ -736,8 +737,13 @@ static struct pci_bus *dw_pcie_scan_bus(int nr, struct pci_sys_data *sys) static int dw_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { struct pcie_port *pp = sys_to_pcie(dev->bus->sysdata); + int irq; - return pp->irq; + irq = of_irq_parse_and_map_pci(dev, slot, pin); + if (!irq) + irq = pp->irq; + + return irq; } static void dw_pcie_add_bus(struct pci_bus *bus) |
