[deliverable/linux.git] / drivers / net / wireless / wl12xx / wl12xx_platform_data.c

#include <linux/module.h>
#include <linux/err.h>
#include <linux/wl12xx.h>

static struct wl12xx_platform_data *platform_data;

int __init wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
{
	if (platform_data)
		return -EBUSY;
	if (!data)
		return -EINVAL;

	platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
	if (!platform_data)
		return -ENOMEM;

	return 0;
}

struct wl12xx_platform_data *wl12xx_get_platform_data(void)
{
	if (!platform_data)
		return ERR_PTR(-ENODEV);

	return platform_data;
}
EXPORT_SYMBOL(wl12xx_get_platform_data);
Commit	Line	Data
61ee7007 OBC	1	#include <linux/module.h>
	2	#include <linux/err.h>
	3	#include <linux/wl12xx.h>
	4
a390e85c	5	static struct wl12xx_platform_data *platform_data;
61ee7007 OBC	6
	7	int __init wl12xx_set_platform_data(const struct wl12xx_platform_data *data)
	8	{
	9	if (platform_data)
	10	return -EBUSY;
	11	if (!data)
	12	return -EINVAL;
	13
	14	platform_data = kmemdup(data, sizeof(*data), GFP_KERNEL);
	15	if (!platform_data)
	16	return -ENOMEM;
	17
	18	return 0;
	19	}
	20
a390e85c	21	struct wl12xx_platform_data *wl12xx_get_platform_data(void)
61ee7007 OBC	22	{
	23	if (!platform_data)
	24	return ERR_PTR(-ENODEV);
	25
	26	return platform_data;
	27	}
	28	EXPORT_SYMBOL(wl12xx_get_platform_data);