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Re: [PATCH 06/19] gpio: ath79: make use of raw_spinlock variants

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On Thu, 9 Mar 2017 10:21:53 -0600
Julia Cartwright <julia@ni.com> 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@ni.com>

Acked-by: Aban Bedel <albeu@free.fr>

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[PATCH 06/19] gpio: ath79: make use of raw_spinlock variants Julia Cartwright <julia@ni.com> - 2017-03-09 18:10 +0100
  Re: [PATCH 06/19] gpio: ath79: make use of raw_spinlock variants Alban <albeu@free.fr> - 2017-03-13 21:00 +0100
  Re: [PATCH 06/19] gpio: ath79: make use of raw_spinlock variants Linus Walleij <linus.walleij@linaro.org> - 2017-03-15 11:00 +0100

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