static void __init mango_wifi_bt_init(void)

{

        int err;

        printk("CRZ %s ----- Wifi init \n",__func__);

        err=gpio_request(EXYNOS4212_GPM4(4), "WIFI_EN");

        if (err)

            printk(KERN_ERR "1---------failed to request EXYNOS4_GPM4[4] for WiFi Power Down\n");

                gpio_direction_output(EXYNOS4212_GPM4(4),1);

                s3c_gpio_cfgpin(EXYNOS4212_GPM4(4),S3C_GPIO_SFN(1));

                s3c_gpio_setpull(EXYNOS4212_GPM4(4), S3C_GPIO_PULL_UP);

        s5p_gpio_set_drvstr(EXYNOS4212_GPM4(4),S5P_GPIO_DRVSTR_LV4);// crazyboy i2c SDA driver strength max

                gpio_set_value(EXYNOS4212_GPM4(4),0);//crazyboy 130820

                gpio_free(EXYNOS4212_GPM4(4));

                mdelay(10);

//crazyboys 20160121

         err=gpio_request_one(EXYNOS4_GPX2(5), GPIOF_OUT_INIT_LOW, "WIFI_RESET");

         s3c_gpio_setpull(EXYNOS4_GPX2(5), S3C_GPIO_PULL_NONE);

                s5p_gpio_set_drvstr(EXYNOS4_GPX2(5),S5P_GPIO_DRVSTR_LV4);// crazyboy i2c SCL driver strength max

        if (err)

            printk(KERN_ERR "failed to request EXYNOS4_GPM4[5] for WiFi reset \n");

        mdelay(10);

        gpio_set_value(EXYNOS4_GPX2(5),1);

        mdelay(100);

        gpio_set_value(EXYNOS4_GPX2(5),0);

        gpio_free(EXYNOS4_GPX2(5));

}