RE: [PATCH 2/3] iio: stmpe-adc: Make wait_completion non interruptible

From: David Laight
Date: Fri May 03 2019 - 10:40:08 EST

From: Philippe Schenker
> Sent: 03 May 2019 14:57
> In some cases, the wait_completion got interrupted. This caused the
> error-handling to mutex_unlock the function. The before turned on
> interrupt then got called anyway. In the ISR then completion()
> was called causing problems.
> Making this wait_completion non interruptible solves the problem.

Won't the same thing happen if the interrupt occurs just after
the timeout?


Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)