software: kernel: fifo: Use IRQF_ONESHOT flag

The system will get interrupts for every TS, but the IRQ thread of previous interrupt would have already acknowledged the TS from fifo. Thus, keep the interrupt disabled untill the thread is finished. Signed-off-by: Vaibhav Gupta <vaibhav.gupta@cern.ch>

software: kernel: fifo: Use IRQF_ONESHOT flag
The system will get interrupts for every TS, but the IRQ thread of previous interrupt would have already acknowledged the TS from fifo. Thus, keep the interrupt disabled untill the thread is finished. Signed-off-by: Vaibhav Gupta <vaibhav.gupta@cern.ch>
43d63e20 · Vaibhav Gupta · 4f4c7495 · 43d63e20
Commit 43d63e20 authored Feb 05, 2024 by Vaibhav Gupta
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ft-fifo.c software/kernel/ft-fifo.c +1 -1

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--- a/software/kernel/ft-fifo.c
+++ b/software/kernel/ft-fifo.c
@@ -162,7 +162,7 @@ int ft_fifo_init(struct fmctdc_dev *ft)
 	ft_irq_coalescing_size_set(ft, -1, 40);

 	r = platform_get_resource(ft->pdev, IORESOURCE_IRQ, TDC_IRQ);
-	ret = request_any_context_irq(r->start, ft_irq_handler_ts_fifo, 0,
+	ret = request_any_context_irq(r->start, ft_irq_handler_ts_fifo, IRQF_ONESHOT,
 				      r->name, ft);
 	if (ret < 0) {
 		dev_err(&ft->pdev->dev,