diff mbox series

i3c: Make i3c_bus_type const

Message ID 20240213-bus_cleanup-i3c-v1-1-403aea18f05a@marliere.net
State New
Headers
Series i3c: Make i3c_bus_type const |

Commit Message

Ricardo B. Marliere Feb. 13, 2024, 2:37 p.m. UTC 
  Since commit d492cc2573a0 ("driver core: device.h: make struct
bus_type a const *"), the driver core can properly handle constant
struct bus_type, move the i3c_bus_type 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>
---
 drivers/i3c/internals.h | 2 +-
 drivers/i3c/master.c    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)


---
base-commit: 4fa0888f6f3e6a67cac5afafb23e33f8222cfdd0
change-id: 20240213-bus_cleanup-i3c-f15a6a2ee30a

Best regards,

Comments

Greg KH Feb. 13, 2024, 5:29 p.m. UTC | #1 
On Tue, Feb 13, 2024 at 11:37:31AM -0300, Ricardo B. Marliere wrote:
> Since commit d492cc2573a0 ("driver core: device.h: make struct
> bus_type a const *"), the driver core can properly handle constant
> struct bus_type, move the i3c_bus_type 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>
> ---

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alexandre Belloni Feb. 19, 2024, 8:23 p.m. UTC | #2 
On Tue, 13 Feb 2024 11:37:31 -0300, Ricardo B. Marliere wrote:
> Since commit d492cc2573a0 ("driver core: device.h: make struct
> bus_type a const *"), the driver core can properly handle constant
> struct bus_type, move the i3c_bus_type variable to be a constant
> structure as well, placing it into read-only memory which can not be
> modified at runtime.
> 
> 
> [...]

Applied, thanks!

[1/1] i3c: Make i3c_bus_type const
      https://git.kernel.org/abelloni/c/8f06fb458539

Best regards,
diff mbox series

Patch

diff --git a/drivers/i3c/internals.h b/drivers/i3c/internals.h
index 908a807badaf..4d99a3524171 100644
--- a/drivers/i3c/internals.h
+++ b/drivers/i3c/internals.h
@@ -10,7 +10,7 @@ 
 
 #include <linux/i3c/master.h>
 
-extern struct bus_type i3c_bus_type;
+extern const struct bus_type i3c_bus_type;
 
 void i3c_bus_normaluse_lock(struct i3c_bus *bus);
 void i3c_bus_normaluse_unlock(struct i3c_bus *bus);
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 3afa530c5e32..f32c591ae325 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -335,7 +335,7 @@  static void i3c_device_remove(struct device *dev)
 	i3c_device_free_ibi(i3cdev);
 }
 
-struct bus_type i3c_bus_type = {
+const struct bus_type i3c_bus_type = {
 	.name = "i3c",
 	.match = i3c_device_match,
 	.probe = i3c_device_probe,