arch/arm/mach-s3c/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 "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 }