diff options
Diffstat (limited to 'drivers/nvdimm')
| -rw-r--r-- | drivers/nvdimm/bus.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 508aed017ddc..101c425f3e8b 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -25,9 +25,12 @@ int nvdimm_major; static int nvdimm_bus_major; -static struct class *nd_class; static DEFINE_IDA(nd_ida); +static const struct class nd_class = { + .name = "nd", +}; + static int to_nd_device_type(const struct device *dev) { if (is_nvdimm(dev)) @@ -742,7 +745,7 @@ int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus) device_initialize(dev); lockdep_set_class(&dev->mutex, &nvdimm_ndctl_key); device_set_pm_not_required(dev); - dev->class = nd_class; + dev->class = &nd_class; dev->parent = &nvdimm_bus->dev; dev->devt = devt; dev->release = ndctl_release; @@ -765,7 +768,7 @@ err: void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus) { - device_destroy(nd_class, MKDEV(nvdimm_bus_major, nvdimm_bus->id)); + device_destroy(&nd_class, MKDEV(nvdimm_bus_major, nvdimm_bus->id)); } static const struct nd_cmd_desc __nd_cmd_dimm_descs[] = { @@ -1320,11 +1323,9 @@ int __init nvdimm_bus_init(void) goto err_dimm_chrdev; nvdimm_major = rc; - nd_class = class_create("nd"); - if (IS_ERR(nd_class)) { - rc = PTR_ERR(nd_class); + rc = class_register(&nd_class); + if (rc) goto err_class; - } rc = driver_register(&nd_bus_driver.drv); if (rc) @@ -1333,7 +1334,7 @@ int __init nvdimm_bus_init(void) return 0; err_nd_bus: - class_destroy(nd_class); + class_unregister(&nd_class); err_class: unregister_chrdev(nvdimm_major, "dimmctl"); err_dimm_chrdev: @@ -1347,7 +1348,7 @@ int __init nvdimm_bus_init(void) void nvdimm_bus_exit(void) { driver_unregister(&nd_bus_driver.drv); - class_destroy(nd_class); + class_unregister(&nd_class); unregister_chrdev(nvdimm_bus_major, "ndctl"); unregister_chrdev(nvdimm_major, "dimmctl"); bus_unregister(&nvdimm_bus_type); |