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Subject[ 18/37] rpmsg: fix dependency on initialization order
From: Greg KH <>

3.4-stable review patch. If anyone has any objections, please let me know.

From: Federico Fuga <>

commit 9634252617441991b01dacaf4040866feecaf36f upstream.

When rpmsg drivers are built into the kernel, they must not initialize
before the rpmsg bus does, otherwise they'd trigger a BUG() in
drivers/base/driver.c line 169 (driver_register()).

To fix that, and to stop depending on arbitrary linkage ordering of
those built-in rpmsg drivers, we make the rpmsg bus initialize at

Signed-off-by: Federico Fuga <>
[ohad: rewrite the commit log]
Signed-off-by: Ohad Ben-Cohen <>
Signed-off-by: Greg Kroah-Hartman <>

drivers/rpmsg/virtio_rpmsg_bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/rpmsg/virtio_rpmsg_bus.c
+++ b/drivers/rpmsg/virtio_rpmsg_bus.c
@@ -1085,7 +1085,7 @@ static int __init rpmsg_init(void)

return ret;

static void __exit rpmsg_fini(void)

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