Andrew Lunn <and...@lunn.ch> writes:
> When removing the interrupt handling code, we should mask the
> generation of interrupts. The code however unmasked all
> interrupts. This can then cause a new interrupt. We then get into a
> deadlock where the interrupt thread is waiting to run, and the code
> continues, trying to remove the interrupt handler, which means waiting
> for the thread to complete. On a UP machine this deadlocks.
>
> Fix so we really mask interrupts in the hardware. The same error is
> made in the error path when install the interrupt handling code.
>
> Fixes: 3460a5770ce9 ("net: dsa: mv88e6xxx: Mask g1 interrupts and free
> interrupt")
> Signed-off-by: Andrew Lunn <and...@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
