Commit | Line | Data |
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282b13d0 SH |
1 | /* |
2 | * Copyright 2008 Sascha Hauer, kernel@pengutronix.de | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version 2 | |
7 | * of the License, or (at your option) any later version. | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
16 | * Boston, MA 02110-1301, USA. | |
17 | */ | |
18 | ||
19 | #include <linux/kernel.h> | |
6332c107 | 20 | #include <linux/slab.h> |
282b13d0 | 21 | #include <linux/init.h> |
253ff1fa | 22 | #include <linux/err.h> |
282b13d0 | 23 | #include <linux/platform_device.h> |
058b7a6f | 24 | #include <mach/common.h> |
282b13d0 SH |
25 | |
26 | int __init mxc_register_device(struct platform_device *pdev, void *data) | |
27 | { | |
28 | int ret; | |
29 | ||
30 | pdev->dev.platform_data = data; | |
31 | ||
32 | ret = platform_device_register(pdev); | |
33 | if (ret) | |
34 | pr_debug("Unable to register platform device '%s': %d\n", | |
35 | pdev->name, ret); | |
36 | ||
37 | return ret; | |
38 | } | |
39 | ||
6332c107 UKK |
40 | struct platform_device *__init imx_add_platform_device_dmamask( |
41 | const char *name, int id, | |
253ff1fa | 42 | const struct resource *res, unsigned int num_resources, |
6332c107 | 43 | const void *data, size_t size_data, u64 dmamask) |
253ff1fa UKK |
44 | { |
45 | int ret = -ENOMEM; | |
46 | struct platform_device *pdev; | |
47 | ||
48 | pdev = platform_device_alloc(name, id); | |
49 | if (!pdev) | |
50 | goto err; | |
51 | ||
6332c107 UKK |
52 | if (dmamask) { |
53 | /* | |
54 | * This memory isn't freed when the device is put, | |
55 | * I don't have a nice idea for that though. Conceptually | |
56 | * dma_mask in struct device should not be a pointer. | |
57 | * See http://thread.gmane.org/gmane.linux.kernel.pci/9081 | |
58 | */ | |
59 | pdev->dev.dma_mask = | |
60 | kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL); | |
61 | if (!pdev->dev.dma_mask) | |
62 | /* ret is still -ENOMEM; */ | |
63 | goto err; | |
64 | ||
65 | *pdev->dev.dma_mask = dmamask; | |
66 | pdev->dev.coherent_dma_mask = dmamask; | |
67 | } | |
68 | ||
253ff1fa UKK |
69 | if (res) { |
70 | ret = platform_device_add_resources(pdev, res, num_resources); | |
71 | if (ret) | |
72 | goto err; | |
73 | } | |
74 | ||
75 | if (data) { | |
76 | ret = platform_device_add_data(pdev, data, size_data); | |
77 | if (ret) | |
78 | goto err; | |
79 | } | |
80 | ||
81 | ret = platform_device_add(pdev); | |
82 | if (ret) { | |
83 | err: | |
84 | platform_device_put(pdev); | |
85 | return ERR_PTR(ret); | |
86 | } | |
87 | ||
88 | return pdev; | |
89 | } |