android_kernel_samsung_hero.../arch/arm/plat-samsung/platformdata.c
2016-08-17 16:41:52 +08:00

60 lines
1.5 KiB
C

/* linux/arch/arm/plat-samsung/platformdata.c
*
* Copyright 2010 Ben Dooks <ben-linux <at> fluff.org>
*
* Helper for platform data setting
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <linux/platform_device.h>
#include <plat/devs.h>
#include <plat/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) {
printk(KERN_ERR "%s: cannot clone platform data\n", pdev->name);
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;
}