Messages in this thread Patch in this message | | | From | Bharat Kumar Gogada <> | Subject | [PATCH 3/4] PCI: Xilinx NWL: Modifying flow handler for legacy interrupts | Date | Sat, 21 Jan 2017 16:41:11 +0530 |
| |
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
| |