[PATCH 3/3] PCI: Xilinx NWL PCIe: Fix Error for multi function device for legacy interrupts.

Bharat Kumar Gogada bharat.kumar.gogada at xilinx.com
Tue Aug 30 03:39:18 PDT 2016


PCIe legacy interrupts start at 1, not at 0.
When testing with multi function device "error: hwirq 0x4 is too large for
dummy" error comes.
So adding one addtional interrupt when creating irq domain.

Signed-off-by: Bharat Kumar Gogada <bharatku at xilinx.com>
---
 drivers/pci/host/pcie-xilinx-nwl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/host/pcie-xilinx-nwl.c b/drivers/pci/host/pcie-xilinx-nwl.c
index d8d43e6..9f04411 100644
--- a/drivers/pci/host/pcie-xilinx-nwl.c
+++ b/drivers/pci/host/pcie-xilinx-nwl.c
@@ -561,7 +561,7 @@ static int nwl_pcie_init_irq_domain(struct nwl_pcie *pcie)
 	}
 
 	pcie->legacy_irq_domain = irq_domain_add_linear(legacy_intc_node,
-							INTX_NUM,
+							INTX_NUM + 1,
 							&legacy_domain_ops,
 							pcie);
 
-- 
2.1.1




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