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Diffstat (limited to 'drivers/misc/cxl/file.c')
-rw-r--r--drivers/misc/cxl/file.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c
index 144d1f2d78..012e11b959 100644
--- a/drivers/misc/cxl/file.c
+++ b/drivers/misc/cxl/file.c
@@ -38,8 +38,6 @@
static dev_t cxl_dev;
-static struct class *cxl_class;
-
static int __afu_open(struct inode *inode, struct file *file, bool master)
{
struct cxl *adapter;
@@ -559,7 +557,10 @@ static char *cxl_devnode(const struct device *dev, umode_t *mode)
return kasprintf(GFP_KERNEL, "cxl/%s", dev_name(dev));
}
-extern struct class *cxl_class;
+static const struct class cxl_class = {
+ .name = "cxl",
+ .devnode = cxl_devnode,
+};
static int cxl_add_chardev(struct cxl_afu *afu, dev_t devt, struct cdev *cdev,
struct device **chardev, char *postfix, char *desc,
@@ -575,7 +576,7 @@ static int cxl_add_chardev(struct cxl_afu *afu, dev_t devt, struct cdev *cdev,
return rc;
}
- dev = device_create(cxl_class, &afu->dev, devt, afu,
+ dev = device_create(&cxl_class, &afu->dev, devt, afu,
"afu%i.%i%s", afu->adapter->adapter_num, afu->slice, postfix);
if (IS_ERR(dev)) {
rc = PTR_ERR(dev);
@@ -633,14 +634,14 @@ void cxl_chardev_afu_remove(struct cxl_afu *afu)
int cxl_register_afu(struct cxl_afu *afu)
{
- afu->dev.class = cxl_class;
+ afu->dev.class = &cxl_class;
return device_register(&afu->dev);
}
int cxl_register_adapter(struct cxl *adapter)
{
- adapter->dev.class = cxl_class;
+ adapter->dev.class = &cxl_class;
/*
* Future: When we support dynamically reprogramming the PSL & AFU we
@@ -678,13 +679,11 @@ int __init cxl_file_init(void)
pr_devel("CXL device allocated, MAJOR %i\n", MAJOR(cxl_dev));
- cxl_class = class_create("cxl");
- if (IS_ERR(cxl_class)) {
+ rc = class_register(&cxl_class);
+ if (rc) {
pr_err("Unable to create CXL class\n");
- rc = PTR_ERR(cxl_class);
goto err;
}
- cxl_class->devnode = cxl_devnode;
return 0;
@@ -696,5 +695,5 @@ err:
void cxl_file_exit(void)
{
unregister_chrdev_region(cxl_dev, CXL_NUM_MINORS);
- class_destroy(cxl_class);
+ class_unregister(&cxl_class);
}