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EDAC: constantify the struct bus_type usage

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In many places in the edac code, struct bus_type pointers are passed
around and then eventually sent to the driver core, which can handle a
constant pointer.  So constantify all of the edac usage of these as well
because the data in them is never modified by the edac code either.

Cc: Borislav Petkov <bp@alien8.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: James Morse <james.morse@arm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Robert Richter <rric@kernel.org>
Cc:  <linux-edac@vger.kernel.org>
Link: https://lore.kernel.org/r/2023121909-tribute-punctuate-4b22@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-12-19 14:13:10 +01:00
parent c810729fe6
commit f36be9ce81
5 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/edac/edac_device.h
View File

@ -176,7 +176,7 @@ struct edac_device_ctl_info {
struct edac_dev_sysfs_attribute *sysfs_attributes; struct edac_dev_sysfs_attribute *sysfs_attributes;
/* pointer to main 'edac' subsys in sysfs */ /* pointer to main 'edac' subsys in sysfs */
struct bus_type *edac_subsys; const struct bus_type *edac_subsys;
/* the internal state of this controller instance */ /* the internal state of this controller instance */
int op_state; int op_state;

2
drivers/edac/edac_device_sysfs.c
View File

@ -229,7 +229,7 @@ static struct kobj_type ktype_device_ctrl = {
int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev) int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)
{ {
struct device *dev_root; struct device *dev_root;
struct bus_type *edac_subsys; const struct bus_type *edac_subsys;
int err = -ENODEV; int err = -ENODEV;
edac_dbg(1, "\n"); edac_dbg(1, "\n");

4
drivers/edac/edac_module.c
View File

@ -67,7 +67,7 @@ char *edac_op_state_to_string(int opstate)
* sysfs object: /sys/devices/system/edac * sysfs object: /sys/devices/system/edac
* need to export to other files * need to export to other files
*/ */
static struct bus_type edac_subsys = { static const struct bus_type edac_subsys = {
.name = "edac", .name = "edac",
.dev_name = "edac", .dev_name = "edac",
}; };
@ -90,7 +90,7 @@ static void edac_subsys_exit(void)
} }
/* return pointer to the 'edac' node in sysfs */ /* return pointer to the 'edac' node in sysfs */
struct bus_type *edac_get_sysfs_subsys(void) const struct bus_type *edac_get_sysfs_subsys(void)
{ {
return &edac_subsys; return &edac_subsys;
} }

2
drivers/edac/edac_pci_sysfs.c
View File

@ -338,7 +338,7 @@ static struct kobj_type ktype_edac_pci_main_kobj = {
static int edac_pci_main_kobj_setup(void) static int edac_pci_main_kobj_setup(void)
{ {
int err = -ENODEV; int err = -ENODEV;
struct bus_type *edac_subsys; const struct bus_type *edac_subsys;
struct device *dev_root; struct device *dev_root;
edac_dbg(0, "\n"); edac_dbg(0, "\n");

4
include/linux/edac.h
View File

@ -30,7 +30,7 @@ struct device;
extern int edac_op_state; extern int edac_op_state;
struct bus_type *edac_get_sysfs_subsys(void); const struct bus_type *edac_get_sysfs_subsys(void);
static inline void opstate_init(void) static inline void opstate_init(void)
{ {
@ -492,7 +492,7 @@ struct edac_raw_error_desc {
*/ */
struct mem_ctl_info { struct mem_ctl_info {
struct device dev; struct device dev;
struct bus_type *bus; const struct bus_type *bus;
struct list_head link; /* for global list of mem_ctl_info structs */ struct list_head link; /* for global list of mem_ctl_info structs */