diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl12xx_platform_data.c')
-rw-r--r-- | drivers/net/wireless/wl12xx/wl12xx_platform_data.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/wl12xx_platform_data.c b/drivers/net/wireless/wl12xx/wl12xx_platform_data.c new file mode 100644 index 000000000000..973b11060a8f --- /dev/null +++ b/drivers/net/wireless/wl12xx/wl12xx_platform_data.c @@ -0,0 +1,28 @@ +#include <linux/module.h> +#include <linux/err.h> +#include <linux/wl12xx.h> + +static const 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; +} + +const 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); |