xref: /rk3399_rockchip-uboot/drivers/mmc/mmc-uclass.c (revision e7ecf7cb5a6b873daf2d88daf03034d51fad4acc)
1*e7ecf7cbSSimon Glass /*
2*e7ecf7cbSSimon Glass  * Copyright (C) 2015 Google, Inc
3*e7ecf7cbSSimon Glass  * Written by Simon Glass <sjg@chromium.org>
4*e7ecf7cbSSimon Glass  *
5*e7ecf7cbSSimon Glass  * SPDX-License-Identifier:	GPL-2.0+
6*e7ecf7cbSSimon Glass  */
7*e7ecf7cbSSimon Glass 
8*e7ecf7cbSSimon Glass #include <common.h>
9*e7ecf7cbSSimon Glass #include <mmc.h>
10*e7ecf7cbSSimon Glass #include <dm.h>
11*e7ecf7cbSSimon Glass #include <dm/lists.h>
12*e7ecf7cbSSimon Glass #include <dm/root.h>
13*e7ecf7cbSSimon Glass 
14*e7ecf7cbSSimon Glass struct mmc *mmc_get_mmc_dev(struct udevice *dev)
15*e7ecf7cbSSimon Glass {
16*e7ecf7cbSSimon Glass 	struct mmc_uclass_priv *upriv;
17*e7ecf7cbSSimon Glass 
18*e7ecf7cbSSimon Glass 	if (!device_active(dev))
19*e7ecf7cbSSimon Glass 		return NULL;
20*e7ecf7cbSSimon Glass 	upriv = dev_get_uclass_priv(dev);
21*e7ecf7cbSSimon Glass 	return upriv->mmc;
22*e7ecf7cbSSimon Glass }
23*e7ecf7cbSSimon Glass 
24*e7ecf7cbSSimon Glass U_BOOT_DRIVER(mmc) = {
25*e7ecf7cbSSimon Glass 	.name	= "mmc",
26*e7ecf7cbSSimon Glass 	.id	= UCLASS_MMC,
27*e7ecf7cbSSimon Glass };
28*e7ecf7cbSSimon Glass 
29*e7ecf7cbSSimon Glass UCLASS_DRIVER(mmc) = {
30*e7ecf7cbSSimon Glass 	.id		= UCLASS_MMC,
31*e7ecf7cbSSimon Glass 	.name		= "mmc",
32*e7ecf7cbSSimon Glass 	.flags		= DM_UC_FLAG_SEQ_ALIAS,
33*e7ecf7cbSSimon Glass 	.per_device_auto_alloc_size = sizeof(struct mmc_uclass_priv),
34*e7ecf7cbSSimon Glass };
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