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[4/4] powerpc: pseries: make suspend_subsys const

Message ID 20240204-bus_cleanup-powerpc-v1-4-c763f0e142e9@marliere.net (mailing list archive)
State Superseded
Headers show
Series powerpc: struct bus_type cleanup | expand

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Commit Message

Ricardo B. Marliere Feb. 4, 2024, 2:21 p.m. UTC
Now that the driver core can properly handle constant struct bus_type,
move the suspend_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@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
---
 arch/powerpc/platforms/pseries/suspend.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

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",
 };