xref: /openbmc/linux/arch/arm/mach-s3c/platformdata.c (revision 842ed298)
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright 2010 Ben Dooks <ben-linux <at> fluff.org>
4 //
5 // Helper for platform data setting
6 
7 #include <linux/kernel.h>
8 #include <linux/slab.h>
9 #include <linux/string.h>
10 #include <linux/platform_device.h>
11 
12 #include "devs.h"
13 #include "sdhci.h"
14 
15 void __init *s3c_set_platdata(void *pd, size_t pdsize,
16 			      struct platform_device *pdev)
17 {
18 	void *npd;
19 
20 	if (!pd) {
21 		/* too early to use dev_name(), may not be registered */
22 		printk(KERN_ERR "%s: no platform data supplied\n", pdev->name);
23 		return NULL;
24 	}
25 
26 	npd = kmemdup(pd, pdsize, GFP_KERNEL);
27 	if (!npd)
28 		return NULL;
29 
30 	pdev->dev.platform_data = npd;
31 	return npd;
32 }
33 
34 void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
35 			     struct s3c_sdhci_platdata *set)
36 {
37 	set->cd_type = pd->cd_type;
38 	set->ext_cd_init = pd->ext_cd_init;
39 	set->ext_cd_cleanup = pd->ext_cd_cleanup;
40 	set->ext_cd_gpio = pd->ext_cd_gpio;
41 	set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
42 
43 	if (pd->max_width)
44 		set->max_width = pd->max_width;
45 	if (pd->cfg_gpio)
46 		set->cfg_gpio = pd->cfg_gpio;
47 	if (pd->host_caps)
48 		set->host_caps |= pd->host_caps;
49 	if (pd->host_caps2)
50 		set->host_caps2 |= pd->host_caps2;
51 	if (pd->pm_caps)
52 		set->pm_caps |= pd->pm_caps;
53 }
54