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b8550f11bd
The devicetree binding documentation for the Xilinx NWL PCIe root port bridge shows an example which uses an interrupt-map property to map PCI INTx interrupts to hardware IRQ numbers 1-4. The driver creates an IRQ domain with size 4, which therefore covers the hwirq range 0-3. This means that if we attempt to make use of the INTD interrupt then we're likely to hit a WARN() in irq_domain_associate() because INTD, or hwirw=4, is outside of the range covered by the IRQ domain. irq_domain_associate() will then return -EINVAL and we'll be unable to make use of INTD. Fix this by making use of the pci_irqd_intx_xlate() helper function to translate the 1-4 range used in the DT to a 0-3 range used within the driver, and stop adding 1 to decoded hwirq numbers. Whilst cleaning up INTx handling we make use of the new PCI_NUM_INTX macro & drop the custom INTX definitions. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Michal Simek <michal.simek@xilinx.com> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com> |
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| .. | ||
| dwc | ||
| endpoint | ||
| host | ||
| hotplug | ||
| pcie | ||
| switch | ||
| access.c | ||
| ats.c | ||
| bus.c | ||
| ecam.c | ||
| host-bridge.c | ||
| hotplug-pci.c | ||
| htirq.c | ||
| iov.c | ||
| irq.c | ||
| Kconfig | ||
| Makefile | ||
| mmap.c | ||
| msi.c | ||
| of.c | ||
| pci-acpi.c | ||
| pci-driver.c | ||
| pci-label.c | ||
| pci-mid.c | ||
| pci-stub.c | ||
| pci-sysfs.c | ||
| pci.c | ||
| pci.h | ||
| probe.c | ||
| proc.c | ||
| quirks.c | ||
| remove.c | ||
| rom.c | ||
| search.c | ||
| setup-bus.c | ||
| setup-irq.c | ||
| setup-res.c | ||
| slot.c | ||
| syscall.c | ||
| vc.c | ||
| vpd.c | ||
| xen-pcifront.c | ||