Re: [PATCH v2 4/9] mfd: asic3: make use of raw_spinlock variants

2017-03-23 Thread Lee Jones
On Tue, 21 Mar 2017, Julia Cartwright wrote: > The asic3 mfd driver currently implements an irq_chip for handling > interrupts; due to how irq_chip handling is done, it's necessary for the > irq_chip methods to be invoked from hardirq context, even on a a > real-time kernel. Because the spinlock_

[PATCH v2 4/9] mfd: asic3: make use of raw_spinlock variants

2017-03-21 Thread Julia Cartwright
The asic3 mfd driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it