Michael S. Tsirkin 71e4b8bf04 virtio_rpmsg: set DRIVER_OK before using device ... virtio spec requires that all drivers set DRIVER_OK before using devices. While rpmsg isn't yet included in the virtio 1 spec, previous spec versions also required this. virtio rpmsg violates this rule: is calls kick before setting DRIVER_OK. The fix isn't trivial since simply calling virtio_device_ready earlier would mean we might get an interrupt in parallel with adding buffers. Instead, split kick out to prepare+notify calls. prepare before virtio_device_ready - when we know we won't get interrupts. notify right afterwards. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>		2015-03-13 15:55:42 +10:30
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virtio_rpmsg_bus.c	virtio_rpmsg: set DRIVER_OK before using device	2015-03-13 15:55:42 +10:30