nvme: rename controller base dev_t char device

Rename controller base dev_t char device in preparation for adding a
namespace char device.

Signed-off-by: Javier González <javier.gonz@samsung.com>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 6d0c902..5aaaae7 100644 (file)
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -85,7 +85,7 @@ static LIST_HEAD(nvme_subsystems);
 static DEFINE_MUTEX(nvme_subsystems_lock);
 
 static DEFINE_IDA(nvme_instance_ida);
-static dev_t nvme_chr_devt;
+static dev_t nvme_ctrl_base_chr_devt;
 static struct class *nvme_class;
 static struct class *nvme_subsys_class;
 
@@ -4517,7 +4517,8 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev,
 
        device_initialize(&ctrl->ctrl_device);
        ctrl->device = &ctrl->ctrl_device;
-       ctrl->device->devt = MKDEV(MAJOR(nvme_chr_devt), ctrl->instance);
+       ctrl->device->devt = MKDEV(MAJOR(nvme_ctrl_base_chr_devt),
+                       ctrl->instance);
        ctrl->device->class = nvme_class;
        ctrl->device->parent = ctrl->dev;
        ctrl->device->groups = nvme_dev_attr_groups;
@@ -4726,7 +4727,8 @@ static int __init nvme_core_init(void)
        if (!nvme_delete_wq)
                goto destroy_reset_wq;
 
-       result = alloc_chrdev_region(&nvme_chr_devt, 0, NVME_MINORS, "nvme");
+       result = alloc_chrdev_region(&nvme_ctrl_base_chr_devt, 0,
+                       NVME_MINORS, "nvme");
        if (result < 0)
                goto destroy_delete_wq;
 
@@ -4747,7 +4749,7 @@ static int __init nvme_core_init(void)
 destroy_class:
        class_destroy(nvme_class);
 unregister_chrdev:
-       unregister_chrdev_region(nvme_chr_devt, NVME_MINORS);
+       unregister_chrdev_region(nvme_ctrl_base_chr_devt, NVME_MINORS);
 destroy_delete_wq:
        destroy_workqueue(nvme_delete_wq);
 destroy_reset_wq:
@@ -4762,7 +4764,7 @@ static void __exit nvme_core_exit(void)
 {
        class_destroy(nvme_subsys_class);
        class_destroy(nvme_class);
-       unregister_chrdev_region(nvme_chr_devt, NVME_MINORS);
+       unregister_chrdev_region(nvme_ctrl_base_chr_devt, NVME_MINORS);
        destroy_workqueue(nvme_delete_wq);
        destroy_workqueue(nvme_reset_wq);
        destroy_workqueue(nvme_wq);