github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-03 20:14:06 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

gpib: common: change gpib_class to a const struct

Browse Source 
The class_create() call has been deprecated in favor of class_register()
as the driver core now allows for a struct class to be in read-only
memory. Change gpib_class to be a const struct class and drop the
class_create() call.

Link: https://lore.kernel.org/all/2023040244-duffel-pushpin-f738@gregkh/

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl>
Link: https://patch.msgid.link/20260303192124.3855792-1-jkoolstra@xs4all.nl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jori Koolstra 2026-03-03 20:21:20 +01:00 committed by Greg Kroah-Hartman
parent 42df3a519a
commit 0457681354
1 changed files with 10 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpib/common/gpib_os.c
View File

@ -2169,10 +2169,13 @@ void init_gpib_status_queue(struct gpib_status_queue *device)
device->dropped_byte = 0;
}
static struct class *gpib_class;
static const struct class gpib_class = {
.name = "gpib_common",
};
static int __init gpib_common_init_module(void)
{
int err;
int i;
pr_info("GPIB core driver\n");
@ -2181,14 +2184,14 @@ static int __init gpib_common_init_module(void)
pr_err("gpib: can't get major %d\n", GPIB_CODE);
return -EIO;
}
gpib_class = class_create("gpib_common");
if (IS_ERR(gpib_class)) {
err = class_register(&gpib_class);
if (err) {
pr_err("gpib: failed to create gpib class\n");
unregister_chrdev(GPIB_CODE, "gpib");
return PTR_ERR(gpib_class);
return err;
}
for (i = 0; i < GPIB_MAX_NUM_BOARDS; ++i)
board_array[i].gpib_dev = device_create(gpib_class, NULL,
board_array[i].gpib_dev = device_create(&gpib_class, NULL,
MKDEV(GPIB_CODE, i), NULL, "gpib%i", i);
return 0;
@ -2199,9 +2202,9 @@ static void __exit gpib_common_exit_module(void)
int i;
for (i = 0; i < GPIB_MAX_NUM_BOARDS; ++i)
device_destroy(gpib_class, MKDEV(GPIB_CODE, i));
device_destroy(&gpib_class, MKDEV(GPIB_CODE, i));
class_destroy(gpib_class);
class_unregister(&gpib_class);
unregister_chrdev(GPIB_CODE, "gpib");
}