From bb4398e1de739a13e06589fc04cbb2267ba59800 Mon Sep 17 00:00:00 2001 From: Anton Blanchard Date: Fri, 28 Mar 2014 16:33:33 +1100 Subject: powerpc/powernv: Fix endian issues with OPAL async code OPAL defines opal_msg as a big endian struct so we have to byte swap it on little endian builds. Signed-off-by: Anton Blanchard Signed-off-by: Benjamin Herrenschmidt --- arch/powerpc/platforms/powernv/opal-async.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'arch/powerpc/platforms/powernv/opal-async.c') diff --git a/arch/powerpc/platforms/powernv/opal-async.c b/arch/powerpc/platforms/powernv/opal-async.c index cd0c1354d404..32e2adfa5320 100644 --- a/arch/powerpc/platforms/powernv/opal-async.c +++ b/arch/powerpc/platforms/powernv/opal-async.c @@ -125,14 +125,15 @@ static int opal_async_comp_event(struct notifier_block *nb, { struct opal_msg *comp_msg = msg; unsigned long flags; + uint64_t token; if (msg_type != OPAL_MSG_ASYNC_COMP) return 0; - memcpy(&opal_async_responses[comp_msg->params[0]], comp_msg, - sizeof(*comp_msg)); + token = be64_to_cpu(comp_msg->params[0]); + memcpy(&opal_async_responses[token], comp_msg, sizeof(*comp_msg)); spin_lock_irqsave(&opal_async_comp_lock, flags); - __set_bit(comp_msg->params[0], opal_async_complete_map); + __set_bit(token, opal_async_complete_map); spin_unlock_irqrestore(&opal_async_comp_lock, flags); wake_up(&opal_async_wait); -- cgit v1.2.3