powerpc/powernv: Fix little endian issues with opal_do_notifier calls

The bitmap in opal_poll_events and opal_handle_interrupt is
big endian, so we need to byteswap it on little endian builds.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c
index 49d2f00019e5d8092f7f32e9b3c6dfc53cceeee6..17cfc70082aa853c98b5af81ed9f02e4cbd42644 100644 (file)
--- a/arch/powerpc/platforms/powernv/opal.c
+++ b/arch/powerpc/platforms/powernv/opal.c
@@ -242,14 +242,14 @@ void opal_notifier_update_evt(uint64_t evt_mask,
 void opal_notifier_enable(void)
 {
        int64_t rc;
-       uint64_t evt = 0;
+       __be64 evt = 0;
 
        atomic_set(&opal_notifier_hold, 0);
 
        /* Process pending events */
        rc = opal_poll_events(&evt);
        if (rc == OPAL_SUCCESS && evt)
-               opal_do_notifier(evt);
+               opal_do_notifier(be64_to_cpu(evt));
 }
 
 void opal_notifier_disable(void)
@@ -529,7 +529,7 @@ static irqreturn_t opal_interrupt(int irq, void *data)
 
        opal_handle_interrupt(virq_to_hw(irq), &events);
 
-       opal_do_notifier(events);
+       opal_do_notifier(be64_to_cpu(events));
 
        return IRQ_HANDLED;
 }