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[u-boot] / drivers / nvme / nvme-uclass.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2017 NXP Semiconductors
4  * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
5  */
6
7 #include <common.h>
8 #include <errno.h>
9 #include <dm.h>
10 #include <dm/device.h>
11 #include "nvme.h"
12
13 static int nvme_uclass_post_probe(struct udevice *udev)
14 {
15         char name[20];
16         struct udevice *ns_udev;
17         int i, ret;
18         struct nvme_dev *ndev = dev_get_priv(udev);
19
20         /* Create a blk device for each namespace */
21         for (i = 0; i < ndev->nn; i++) {
22                 /*
23                  * Encode the namespace id to the device name so that
24                  * we can extract it when doing the probe.
25                  */
26                 sprintf(name, "blk#%d", i);
27
28                 /* The real blksz and size will be set by nvme_blk_probe() */
29                 ret = blk_create_devicef(udev, "nvme-blk", name, IF_TYPE_NVME,
30                                          -1, 512, 0, &ns_udev);
31                 if (ret)
32                         return ret;
33         }
34
35         return 0;
36 }
37
38 UCLASS_DRIVER(nvme) = {
39         .name   = "nvme",
40         .id     = UCLASS_NVME,
41         .post_probe = nvme_uclass_post_probe,
42 };