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 <[email protected]> > Fixes: 4bba66899ac6 ("irqchip/tango: Add support for Sigma Designs > SMP86xx/SMP87xx interrupt controller") > Signed-off-by: Marc Gonzalez <[email protected]> > Cc: [email protected]
FWIW, the lockup reported in the thread below disappears once the patch is applied. https://lkml.org/lkml/2016/10/21/709 Regards.

