xref: /openbmc/u-boot/drivers/mmc/mmc-uclass.c (revision 089fddfd)
1 /*
2  * Copyright (C) 2015 Google, Inc
3  * Written by Simon Glass <sjg@chromium.org>
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 
8 #include <common.h>
9 #include <mmc.h>
10 #include <dm.h>
11 #include <dm/lists.h>
12 #include <dm/root.h>
13 
14 struct mmc *mmc_get_mmc_dev(struct udevice *dev)
15 {
16 	struct mmc_uclass_priv *upriv;
17 
18 	if (!device_active(dev))
19 		return NULL;
20 	upriv = dev_get_uclass_priv(dev);
21 	return upriv->mmc;
22 }
23 
24 U_BOOT_DRIVER(mmc) = {
25 	.name	= "mmc",
26 	.id	= UCLASS_MMC,
27 };
28 
29 UCLASS_DRIVER(mmc) = {
30 	.id		= UCLASS_MMC,
31 	.name		= "mmc",
32 	.flags		= DM_UC_FLAG_SEQ_ALIAS,
33 	.per_device_auto_alloc_size = sizeof(struct mmc_uclass_priv),
34 };
35