PCI interrupt lines start at 1, not at 0. So, change INTX_NUM to 5. Error when PCIe devices have 4 INTX: WARNING: CPU: 1 PID: 1 at kernel/irq/irqdomain.c:280 irq_domain_associate+0x17c/0x1cc() error: hwirq 0x4 is too large for dummy Tested on Ethernet adapter card with multi-functions. Signed-off-by: Ley Foon Tan <lftan@xxxxxxxxxx> --- drivers/pci/host/pcie-altera.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/host/pcie-altera.c b/drivers/pci/host/pcie-altera.c index e4176b3..8b30d4a 100644 --- a/drivers/pci/host/pcie-altera.c +++ b/drivers/pci/host/pcie-altera.c @@ -60,7 +60,7 @@ #define TLP_LOOP 500 #define RP_DEVFN 0 -#define INTX_NUM 4 +#define INTX_NUM 5 #define DWORD_MASK 3 -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html