Nicholas Piggin 380efa6a71 powerpc/powernv: Fix NVRAM sleep in invalid context when crashing
commit c1d2a31397ec51f0370f6bd17b19b39152c263cb upstream.

Similarly to opal_event_shutdown, opal_nvram_write can be called in
the crash path with irqs disabled. Special case the delay to avoid
sleeping in invalid context.

Fixes: 3b8070335f75 ("powerpc/powernv: Fix OPAL NVRAM driver OPAL_BUSY loops")
Cc: stable@vger.kernel.org # v3.2
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-26 08:48:55 +02:00
..
2016-09-24 10:07:43 +02:00
2016-12-15 08:49:23 -08:00
2015-11-11 09:16:10 -08:00