[PATCH v2] sc16is7xx: Drop bogus use of IRQF_ONESHOT

From: Josh Cartwright The use of IRQF_ONESHOT when registering an interrupt handler with request_irq() is non-sensical. Not only that, it also prevents the handler from being threaded when it otherwise should be w/ IRQ_FORCED_THREADING is enabled. This causes the following

[PATCH v2] sc16is7xx: Drop bogus use of IRQF_ONESHOT

From: Josh Cartwright The use of IRQF_ONESHOT when registering an interrupt handler with request_irq() is non-sensical. Not only that, it also prevents the handler from being threaded when it otherwise should be w/ IRQ_FORCED_THREADING is enabled. This causes the following deadlock observed by