mfd: core: constify the struct device_type usage

Message ID 20240219-device_cleanup-mfd-v1-1-e4eef5ed2da8@marliere.net
State New
Headers
Series mfd: core: constify the struct device_type usage |

Commit Message

Ricardo B. Marliere Feb. 19, 2024, 7:51 p.m. UTC
  Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
core can properly handle constant struct device_type. Move the mfd_dev_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>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
---
 drivers/mfd/mfd-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


---
base-commit: d5132d176d6f21742ac67fd311ccc61fe830e999
change-id: 20240219-device_cleanup-mfd-885cbab2befe

Best regards,
  

Comments

Lee Jones Feb. 23, 2024, 4:27 p.m. UTC | #1
On Mon, 19 Feb 2024 16:51:10 -0300, Ricardo B. Marliere wrote:
> Since commit aed65af1cc2f ("drivers: make device_type const"), the driver
> core can properly handle constant struct device_type. Move the mfd_dev_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] mfd: core: constify the struct device_type usage
      commit: 3cb10854004d2cb9c8f3a33deeeb499d0e0c7120

--
Lee Jones [李琼斯]
  

Patch

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 2b85509a90fc..6ad5c93027af 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -29,7 +29,7 @@  struct mfd_of_node_entry {
 	struct device_node *np;
 };
 
-static struct device_type mfd_dev_type = {
+static const struct device_type mfd_dev_type = {
 	.name	= "mfd_device",
 };