linux/arch/arm/mach-s3c/platformdata.c
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   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
  15void __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
  34void 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