Commit ac0fe6a5 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman Committed by Dave Jiang
Browse files

cxl: make cxl_bus_type constant 



Now that 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: Davidlohr Bueso <dave@stgolabs.net>
Cc: Jonathan Cameron <jonathan.cameron@huawei.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Alison Schofield <alison.schofield@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: linux-cxl@vger.kernel.org
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: default avatarIra Weiny <ira.weiny@intel.com>
Reviewed-by: default avatarJonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: default avatarDave Jiang <dave.jiang@intel.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/2025070138-vigorous-negative-eae7@gregkh


Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
parent d7b9056c

drivers/cxl/core/port.c

+1 −1
Original line number Diff line number Diff line
@@ -2293,7 +2293,7 @@ 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,

drivers/cxl/cxl.h

+1 −1
Original line number Diff line number Diff line
@@ -815,7 +815,7 @@ int cxl_dvsec_rr_decode(struct cxl_dev_state *cxlds, 


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;