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pps: change pps_gen_class to a const struct

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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 pps_gen_class to be a const struct class and drop the
class_create() call.

Signed-off-by: Jori Koolstra <jkoolstra@xs4all.nl>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Link: https://patch.msgid.link/20260302142436.3292766-1-jkoolstra@xs4all.nl
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jori Koolstra
2026-03-02 15:24:36 +01:00
committed by Greg Kroah-Hartman
parent 9aad71144f
commit 4dc0c899b1
1 changed files with 12 additions and 10 deletions
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22
drivers/pps/generators/pps_gen.c
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@@ -26,7 +26,10 @@
*/
static dev_t pps_gen_devt;
static struct class *pps_gen_class;
static const struct class pps_gen_class = {
.name = "pps-gen",
.dev_groups = pps_gen_groups
};
static DEFINE_IDA(pps_gen_ida);
@@ -183,7 +186,7 @@ static int pps_gen_register_cdev(struct pps_gen_device *pps_gen)
MAJOR(pps_gen_devt), pps_gen->id);
goto free_ida;
}
pps_gen->dev = device_create(pps_gen_class, pps_gen->info->parent, devt,
pps_gen->dev = device_create(&pps_gen_class, pps_gen->info->parent, devt,
pps_gen, "pps-gen%d", pps_gen->id);
if (IS_ERR(pps_gen->dev)) {
err = PTR_ERR(pps_gen->dev);
@@ -207,7 +210,7 @@ static int pps_gen_register_cdev(struct pps_gen_device *pps_gen)
static void pps_gen_unregister_cdev(struct pps_gen_device *pps_gen)
{
pr_debug("unregistering pps-gen%d\n", pps_gen->id);
device_destroy(pps_gen_class, pps_gen->dev->devt);
device_destroy(&pps_gen_class, pps_gen->dev->devt);
}
/*
@@ -307,7 +310,7 @@ EXPORT_SYMBOL(pps_gen_event);
static void __exit pps_gen_exit(void)
{
class_destroy(pps_gen_class);
class_unregister(&pps_gen_class);
unregister_chrdev_region(pps_gen_devt, PPS_GEN_MAX_SOURCES);
}
@@ -315,12 +318,11 @@ static int __init pps_gen_init(void)
{
int err;
pps_gen_class = class_create("pps-gen");
if (IS_ERR(pps_gen_class)) {
pr_err("failed to allocate class\n");
return PTR_ERR(pps_gen_class);
err = class_register(&pps_gen_class);
if (err) {
pr_err("failed to register class\n");
return err;
}
pps_gen_class->dev_groups = pps_gen_groups;
err = alloc_chrdev_region(&pps_gen_devt, 0,
PPS_GEN_MAX_SOURCES, "pps-gen");
@@ -332,7 +334,7 @@ static int __init pps_gen_init(void)
return 0;
remove_class:
class_destroy(pps_gen_class);
class_unregister(&pps_gen_class);
return err;
}