[PATCH 4/4] PCI: Xilinx NWL: Fix, proc interrupts for legacy virtual irq shown as edge

From: Bharat Kumar Gogada
Date: Sat Jan 21 2017 - 06:28:12 EST


- Legacy interrupts are level triggered, virtual irq line of End
Point shows as edge.
- Setting irq flags of virtual irq line of EP to level triggered
at the time of mapping.

Signed-off-by: Bharat Kumar Gogada <bharatku@xxxxxxxxxx>
---
drivers/pci/host/pcie-xilinx-nwl.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/pci/host/pcie-xilinx-nwl.c b/drivers/pci/host/pcie-xilinx-nwl.c
index 50f9c0d..b7aa6f8 100644
--- a/drivers/pci/host/pcie-xilinx-nwl.c
+++ b/drivers/pci/host/pcie-xilinx-nwl.c
@@ -435,6 +435,7 @@ static int nwl_legacy_map(struct irq_domain *domain, unsigned int irq,
{
irq_set_chip_and_handler(irq, &nwl_leg_irq_chip, handle_level_irq);
irq_set_chip_data(irq, domain->host_data);
+ irq_set_status_flags(irq, IRQ_LEVEL);

return 0;
}
--
1.7.1