1// SPDX-License-Identifier: GPL-2.0 2/// Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests") 3/// threaded IRQs without a primary handler need to be requested with 4/// IRQF_ONESHOT, otherwise the request will fail. 5/// 6/// So pass the IRQF_ONESHOT flag in this case. 7/// 8// 9// Confidence: Moderate 10// Comments: 11// Options: --no-includes 12 13virtual patch 14virtual context 15virtual org 16virtual report 17 18@r1@ 19expression dev, irq, thread_fn; 20position p; 21@@ 22( 23request_threaded_irq@p(irq, NULL, thread_fn, 24( 25IRQF_ONESHOT | ... 26| 27IRQF_ONESHOT 28) 29, ...) 30| 31devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, 32( 33IRQF_ONESHOT | ... 34| 35IRQF_ONESHOT 36) 37, ...) 38) 39 40@r2@ 41expression dev, irq, thread_fn, flags, e; 42position p != r1.p; 43@@ 44( 45flags = IRQF_ONESHOT | ... 46| 47flags |= IRQF_ONESHOT | ... 48) 49... when != flags = e 50( 51request_threaded_irq@p(irq, NULL, thread_fn, flags, ...); 52| 53devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, flags, ...); 54) 55 56@depends on patch@ 57expression dev, irq, thread_fn, flags; 58position p != {r1.p,r2.p}; 59@@ 60( 61request_threaded_irq@p(irq, NULL, thread_fn, 62( 63-0 64+IRQF_ONESHOT 65| 66-flags 67+flags | IRQF_ONESHOT 68) 69, ...) 70| 71devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, 72( 73-0 74+IRQF_ONESHOT 75| 76-flags 77+flags | IRQF_ONESHOT 78) 79, ...) 80) 81 82@depends on context@ 83expression dev, irq; 84position p != {r1.p,r2.p}; 85@@ 86( 87*request_threaded_irq@p(irq, NULL, ...) 88| 89*devm_request_threaded_irq@p(dev, irq, NULL, ...) 90) 91 92 93@match depends on report || org@ 94expression dev, irq; 95position p != {r1.p,r2.p}; 96@@ 97( 98request_threaded_irq@p(irq, NULL, ...) 99| 100devm_request_threaded_irq@p(dev, irq, NULL, ...) 101) 102 103@script:python depends on org@ 104p << match.p; 105@@ 106msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)" 107coccilib.org.print_todo(p[0],msg) 108 109@script:python depends on report@ 110p << match.p; 111@@ 112msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)" 113coccilib.report.print_report(p[0],msg) 114