On Thu, 9 Mar 2017 10:21:53 -0600 Julia Cartwright <julia@xxxxxx> wrote: > The ath79 gpio 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 is not suitable to be used with irq_chips. > > A quick audit of the operations under the lock reveal that they do only > minimal, bounded work, and are therefore safe to do under a raw spinlock. > > Signed-off-by: Julia Cartwright <julia@xxxxxx> Acked-by: Aban Bedel <albeu@xxxxxxx>
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