GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / plat-samsung / platformdata.c
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 <plat/devs.h>
13 #include <plat/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 }