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
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