[PATCH 1/4] powerpc: cell: make spu_subsys const

[Ricardo B. Marliere]

Now that the driver core can properly handle constant struct bus_type,
move the spu_subsys variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
---
 arch/powerpc/platforms/cell/spu_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index dea6f0f25897..346e433d2706 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -465,7 +465,7 @@ void spu_init_channels(struct spu *spu)
 }
 EXPORT_SYMBOL_GPL(spu_init_channels);
 
-static struct bus_type spu_subsys = {
+static const struct bus_type spu_subsys = {
 	.name = "spu",
 	.dev_name = "spu",
 };

-- 
2.43.0