Messages in this thread | | | From | Bartosz Golaszewski <> | Date | Fri, 10 Dec 2021 16:15:42 +0100 | Subject | Re: [PATCH 2/2] gpio: aspeed-sgpio: Convert aspeed_sgpio.lock to raw_spinlock |
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On Sat, Dec 4, 2021 at 6:11 PM Iwona Winiarska <iwona.winiarska@intel.com> wrote: > > The gpio-aspeed-sgpio driver implements an irq_chip which need to be > invoked from hardirq context. Since spin_lock() can sleep with > PREEMPT_RT, it is no longer legal to invoke it while interrupts are > disabled. > This also causes lockdep to complain about: > [ 25.919465] [ BUG: Invalid wait context ] > because aspeed_sgpio.lock (spin_lock_t) is taken under irq_desc.lock > (raw_spinlock_t). > Let's use of raw_spinlock_t instead of spinlock_t. > > Signed-off-by: Iwona Winiarska <iwona.winiarska@intel.com> > ---
Applied, thanks!
Bart
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