[PATCH wpan-next] wifi: cfg802154: make wpan_phy_class constant

From: Ricardo B. Marliere
Date: Tue Mar 05 2024 - 14:55:48 EST


Since commit 43a7206b0963 ("driver core: class: make class_register() take
a const *"), the driver core allows for struct class to be in read-only
memory, so move the wpan_phy_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.

Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Suggested-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>
---
net/ieee802154/sysfs.c | 2 +-
net/ieee802154/sysfs.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ieee802154/sysfs.c b/net/ieee802154/sysfs.c
index d2903933805c..6708160ebf9f 100644
--- a/net/ieee802154/sysfs.c
+++ b/net/ieee802154/sysfs.c
@@ -93,7 +93,7 @@ static SIMPLE_DEV_PM_OPS(wpan_phy_pm_ops, wpan_phy_suspend, wpan_phy_resume);
#define WPAN_PHY_PM_OPS NULL
#endif

-struct class wpan_phy_class = {
+const struct class wpan_phy_class = {
.name = "ieee802154",
.dev_release = wpan_phy_release,
.dev_groups = pmib_groups,
diff --git a/net/ieee802154/sysfs.h b/net/ieee802154/sysfs.h
index 337545b639e9..69961e166257 100644
--- a/net/ieee802154/sysfs.h
+++ b/net/ieee802154/sysfs.h
@@ -5,6 +5,6 @@
int wpan_phy_sysfs_init(void);
void wpan_phy_sysfs_exit(void);

-extern struct class wpan_phy_class;
+extern const struct class wpan_phy_class;

#endif /* __IEEE802154_SYSFS_H */

---
base-commit: 42683294cc0a9ba010de5d978fd23fd1e778b192
change-id: 20240305-class_cleanup-wpan-f299173274b0

Best regards,
--
Ricardo B. Marliere <ricardo@xxxxxxxxxxxx>