LXR linux/arch/arm/plat-samsung/platformdata.c

   1/* linux/arch/arm/plat-samsung/platformdata.c
   2 *
   3 * Copyright 2010 Ben Dooks <ben-linux <at> fluff.org>
   4 *
   5 * Helper for platform data setting
   6 *
   7 * This program is free software; you can redistribute it and/or modify
   8 * it under the terms of the GNU General Public License version 2 as
   9 * published by the Free Software Foundation.
  10*/
  11
  12#include <linux/kernel.h>
  13#include <linux/slab.h>
  14#include <linux/string.h>
  15#include <linux/platform_device.h>
  16
  17#include <plat/devs.h>
  18#include <plat/sdhci.h>
  19
  20void __init *s3c_set_platdata(void *pd, size_t pdsize,
  21                              struct platform_device *pdev)
  22{
  23        void *npd;
  24
  25        if (!pd) {
  26                /* too early to use dev_name(), may not be registered */
  27                printk(KERN_ERR "%s: no platform data supplied\n", pdev->name);
  28                return NULL;
  29        }
  30
  31        npd = kmemdup(pd, pdsize, GFP_KERNEL);
  32        if (!npd) {
  33                printk(KERN_ERR "%s: cannot clone platform data\n", pdev->name);
  34                return NULL;
  35        }
  36
  37        pdev->dev.platform_data = npd;
  38        return npd;
  39}
  40
  41void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
  42                             struct s3c_sdhci_platdata *set)
  43{
  44        set->cd_type = pd->cd_type;
  45        set->ext_cd_init = pd->ext_cd_init;
  46        set->ext_cd_cleanup = pd->ext_cd_cleanup;
  47        set->ext_cd_gpio = pd->ext_cd_gpio;
  48        set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;
  49
  50        if (pd->max_width)
  51                set->max_width = pd->max_width;
  52        if (pd->cfg_gpio)
  53                set->cfg_gpio = pd->cfg_gpio;
  54        if (pd->host_caps)
  55                set->host_caps |= pd->host_caps;
  56        if (pd->host_caps2)
  57                set->host_caps2 |= pd->host_caps2;
  58        if (pd->pm_caps)
  59                set->pm_caps |= pd->pm_caps;
  60}
  61