6.10-stable review patch. If anyone has any objections, please let me know.
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From: Rafael J. Wysocki rafael.j.wysocki@intel.com
commit c37927a203fa283950f6045602b9f71328ad786c upstream.
The callers of request_irq() don't care about IRQF_ONESHOT because they don't provide threaded handlers, but if they happen to share the IRQ with the ACPI SCI, which has a threaded handler and sets IRQF_ONESHOT, request_irq() will fail for them due to a flags mismatch.
Address this by making request_irq() add IRQF_COND_ONESHOT to the flags passed to request_threaded_irq() for all of its callers.
Fixes: 7a36b901a6eb ("ACPI: OSL: Use a threaded interrupt handler for SCI") Reported-by: Stefan Seyfried stefan.seyfried@googlemail.com Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: Thomas Gleixner tglx@linutronix.de Tested-by: Stefan Seyfried stefan.seyfried@googlemail.com Cc: stable@vger.kerel.org Link: https://lore.kernel.org/r/5800834.DvuYhMxLoT@rjwysocki.net Closes: https://lore.kernel.org/lkml/205bd84a-fe8e-4963-968e-0763285f35ba@message-id... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/linux/interrupt.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 5c9bdd3ffccc..dac7466de5f3 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -168,7 +168,7 @@ static inline int __must_check request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags, const char *name, void *dev) { - return request_threaded_irq(irq, handler, NULL, flags, name, dev); + return request_threaded_irq(irq, handler, NULL, flags | IRQF_COND_ONESHOT, name, dev); }
extern int __must_check