arm/mach-s3c/platformdata.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 //
0003 // Copyright 2010 Ben Dooks <ben-linux <at> fluff.org>
0004 //
0005 // Helper for platform data setting
0006
0007 #include <linux/kernel.h>
0008 #include <linux/slab.h>
0009 #include <linux/string.h>
0010 #include <linux/platform_device.h>
0011
0012 #include "devs.h"
0013 #include "sdhci.h"
0014
0015 void __init *s3c_set_platdata(void *pd, size_t pdsize,
0016                   struct platform_device *pdev)
0017 {
0018     void *npd;
0019
0020     if (!pd) {
0021         /* too early to use dev_name(), may not be registered */
0022         printk(KERN_ERR "%s: no platform data supplied\n", pdev->name);
0023         return NULL;
0024     }
0025
0026     npd = kmemdup(pd, pdsize, GFP_KERNEL);
0027     if (!npd)
0028         return NULL;
0029
0030     pdev->dev.platform_data = npd;
0031     return npd;
0032 }
0033
0034 void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
0035                  struct s3c_sdhci_platdata *set)
0036 {
0037     set->cd_type = pd->cd_type;
0038     set->ext_cd_init = pd->ext_cd_init;
0039     set->ext_cd_cleanup = pd->ext_cd_cleanup;
0040     set->ext_cd_gpio = pd->ext_cd_gpio;
0041     set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
0042
0043     if (pd->max_width)
0044         set->max_width = pd->max_width;
0045     if (pd->cfg_gpio)
0046         set->cfg_gpio = pd->cfg_gpio;
0047     if (pd->host_caps)
0048         set->host_caps |= pd->host_caps;
0049     if (pd->host_caps2)
0050         set->host_caps2 |= pd->host_caps2;
0051     if (pd->pm_caps)
0052         set->pm_caps |= pd->pm_caps;
0053 }