2 * Copyright 2008 Sascha Hauer, kernel@pengutronix.de
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.
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.
19 #include <linux/kernel.h>
20 #include <linux/slab.h>
21 #include <linux/init.h>
22 #include <linux/err.h>
23 #include <linux/platform_device.h>
24 #include <mach/common.h>
26 struct platform_device *__init mxs_add_platform_device_dmamask(
27 const char *name, int id,
28 const struct resource *res, unsigned int num_resources,
29 const void *data, size_t size_data, u64 dmamask)
32 struct platform_device *pdev;
34 pdev = platform_device_alloc(name, id);
40 * This memory isn't freed when the device is put,
41 * I don't have a nice idea for that though. Conceptually
42 * dma_mask in struct device should not be a pointer.
43 * See http://thread.gmane.org/gmane.linux.kernel.pci/9081
46 kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
47 if (!pdev->dev.dma_mask)
48 /* ret is still -ENOMEM; */
51 *pdev->dev.dma_mask = dmamask;
52 pdev->dev.coherent_dma_mask = dmamask;
56 ret = platform_device_add_resources(pdev, res, num_resources);
62 ret = platform_device_add_data(pdev, data, size_data);
67 ret = platform_device_add(pdev);
70 platform_device_put(pdev);