root/arch/arm/mach-s3c/platformdata.c
// SPDX-License-Identifier: GPL-2.0
//
// Copyright 2010 Ben Dooks <ben-linux <at> fluff.org>
//
// Helper for platform data setting

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/platform_device.h>

#include "devs.h"
#include "sdhci.h"

void __init *s3c_set_platdata(void *pd, size_t pdsize,
                              struct platform_device *pdev)
{
        void *npd;

        if (!pd) {
                /* too early to use dev_name(), may not be registered */
                printk(KERN_ERR "%s: no platform data supplied\n", pdev->name);
                return NULL;
        }

        npd = kmemdup(pd, pdsize, GFP_KERNEL);
        if (!npd)
                return NULL;

        pdev->dev.platform_data = npd;
        return npd;
}

void s3c_sdhci_set_platdata(struct s3c_sdhci_platdata *pd,
                             struct s3c_sdhci_platdata *set)
{
        set->cd_type = pd->cd_type;
        set->ext_cd_init = pd->ext_cd_init;
        set->ext_cd_cleanup = pd->ext_cd_cleanup;
        set->ext_cd_gpio = pd->ext_cd_gpio;
        set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert;

        if (pd->max_width)
                set->max_width = pd->max_width;
        if (pd->cfg_gpio)
                set->cfg_gpio = pd->cfg_gpio;
        if (pd->host_caps)
                set->host_caps |= pd->host_caps;
        if (pd->host_caps2)
                set->host_caps2 |= pd->host_caps2;
        if (pd->pm_caps)
                set->pm_caps |= pd->pm_caps;
}