On 2/13/24 7:46 AM, 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 cxl_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 <[email protected]>
> Suggested-by: Greg Kroah-Hartman <[email protected]>
> Signed-off-by: Ricardo B. Marliere <[email protected]>
Reviewed-by: Dave Jiang <[email protected]>
> ---
> drivers/cxl/core/port.c | 2 +-
> drivers/cxl/cxl.h | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c
> index e59d9d37aa65..a73c1d1dd4c4 100644
> --- a/drivers/cxl/core/port.c
> +++ b/drivers/cxl/core/port.c
> @@ -2197,7 +2197,7 @@ static const struct attribute_group *cxl_bus_attribute_groups[] = {
> NULL,
> };
>
> -struct bus_type cxl_bus_type = {
> +const struct bus_type cxl_bus_type = {
> .name = "cxl",
> .uevent = cxl_bus_uevent,
> .match = cxl_bus_match,
> diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h
> index b6017c0c57b4..122015f7a558 100644
> --- a/drivers/cxl/cxl.h
> +++ b/drivers/cxl/cxl.h
> @@ -803,7 +803,7 @@ int cxl_dvsec_rr_decode(struct device *dev, int dvsec,
>
> bool is_cxl_region(struct device *dev);
>
> -extern struct bus_type cxl_bus_type;
> +extern const struct bus_type cxl_bus_type;
>
> struct cxl_driver {
> const char *name;
>
> ---
> base-commit: 716f4aaa7b48a55c73d632d0657b35342b1fefd7
> change-id: 20240213-bus_cleanup-cxl-ce6b8a16eb0b
>
> Best regards,