Messages in this thread | | | Subject | Re: [PATCH v3] irqchip/tango: Don't use incorrect irq_mask_ack callback | From | Marc Gonzalez <> | Date | Tue, 25 Jul 2017 16:15:02 +0200 |
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On 25/07/2017 15:08, Marc Gonzalez wrote:
> irq_gc_mask_disable_reg_and_ack() is not equivalent to > irq_gc_mask_disable_reg() and irq_gc_ack_set_bit(). > > Leave the irq_mask_ack callback undefined, and let the irqchip > framework use irq_mask and irq_ack instead. > > Reported-by: Doug Berger <opendmb@gmail.com> > Fixes: 4bba66899ac6 ("irqchip/tango: Add support for Sigma Designs SMP86xx/SMP87xx interrupt controller") > Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> > Cc: stable@vger.kernel.org
FWIW, the lockup reported in the thread below disappears once the patch is applied.
https://lkml.org/lkml/2016/10/21/709
Regards.
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