From: "Wesley W. Terpstra" <wesley@xxxxxxxxxx>
Without this patch we can't use the 4th legacy PCIe interrupt. This
is a workaround: there are only 4 legacy interrupts, but since they're
numbered starting from 1 instead of 0 this just adds a 5th interrupt.
Signed-off-by: Palmer Dabbelt <palmer@xxxxxxxxxxx>
Signed-off-by: Wesley W. Terpstra <wesley@xxxxxxxxxx>
---
drivers/pci/host/pcie-xilinx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/host/pcie-xilinx.c b/drivers/pci/host/pcie-xilinx.c
index 2fe2df51f9f8..8804145d399a 100644
--- a/drivers/pci/host/pcie-xilinx.c
+++ b/drivers/pci/host/pcie-xilinx.c
@@ -443,7 +443,7 @@ static irqreturn_t xilinx_pcie_intr_handler(int irq, void *data)
val = ((val & XILINX_PCIE_RPIFR1_INTR_MASK) >>
XILINX_PCIE_RPIFR1_INTR_SHIFT) + 1;
generic_handle_irq(irq_find_mapping(port->leg_domain,
- val));
+ val + 1));
}
}
@@ -524,7 +524,7 @@ static int xilinx_pcie_init_irq_domain(struct xilinx_pcie_port *port)
return -ENODEV;
}
- port->leg_domain = irq_domain_add_linear(pcie_intc_node, 4,
+ port->leg_domain = irq_domain_add_linear(pcie_intc_node, 5,
&intx_domain_ops,
port);
if (!port->leg_domain) {
--
2.13.0
