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Subject[PATCH 3/4] PCI: Xilinx NWL: Modifying flow handler for legacy interrupts
Date
Legacy interrupts are level sensitive, so using handle_level_irq
is more approprate as it is masks interrupts until End point handles
interrupts and unmasks interrutps after End point handler is executed.

Signed-off-by: Bharat Kumar Gogada <bharatku@xilinx.com>
---
drivers/pci/host/pcie-xilinx-nwl.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/host/pcie-xilinx-nwl.c b/drivers/pci/host/pcie-xilinx-nwl.c
index e1809f9..50f9c0d 100644
--- a/drivers/pci/host/pcie-xilinx-nwl.c
+++ b/drivers/pci/host/pcie-xilinx-nwl.c
@@ -433,7 +433,7 @@ static void nwl_unmask_leg_irq(struct irq_data *data)
static int nwl_legacy_map(struct irq_domain *domain, unsigned int irq,
irq_hw_number_t hwirq)
{
- irq_set_chip_and_handler(irq, &nwl_leg_irq_chip, handle_simple_irq);
+ irq_set_chip_and_handler(irq, &nwl_leg_irq_chip, handle_level_irq);
irq_set_chip_data(irq, domain->host_data);

return 0;
--
1.7.1
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