[PATCH 1/2] powerpc: pseries: make suspend_subsys const

Adrian Barnaś posted 2 patches 1 week, 6 days ago
[PATCH 1/2] powerpc: pseries: make suspend_subsys const
Posted by Adrian Barnaś 1 week, 6 days ago
Because driver core can properly handle constant struct bus_type,
move the suspend_subsys to be a constant structure as well, placing it into
read-only memory which can not be modified at runtime.

Signed-off-by: Adrian Barnaś <abarnas@google.com>
---
 arch/powerpc/platforms/pseries/suspend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index 382003dfdb9a..c51db63d3e88 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -126,7 +126,7 @@ static ssize_t show_hibernate(struct device *dev,
 
 static DEVICE_ATTR(hibernate, 0644, show_hibernate, store_hibernate);
 
-static struct bus_type suspend_subsys = {
+static const struct bus_type suspend_subsys = {
 	.name = "power",
 	.dev_name = "power",
 };
-- 
2.51.0.470.ga7dc726c21-goog