int wl_android_wifi_on(struct net_device *dev)
{
	int ret = 0;
	int retry = POWERUP_MAX_RETRY;

	if (!dev) {
		ANDROID_ERROR(("%s: dev is null\n", __FUNCTION__));
		return -EINVAL;
	}

	dhd_net_if_lock(dev);
	printk("%s in\n", __FUNCTION__);
	if (!g_wifi_on) {
		do {
			dhd_customer_gpio_wlan_ctrl(WLAN_RESET_ON);
			ret = sdioh_start(NULL, 0);
			if (ret == 0)
				break;
			ANDROID_ERROR(("\nfailed to power up wifi chip, retry again (%d left) **\n\n",
				retry+1));
			dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
		} while (retry-- >= 0);
		if (ret != 0) {
			ANDROID_ERROR(("\nfailed to power up wifi chip, max retry reached **\n\n"));
			goto exit;
		}
		ret = dhd_dev_reset(dev, FALSE);
		if (ret)
			goto err;
		sdioh_start(NULL, 1);
		if (!ret) {
			if (dhd_dev_init_ioctl(dev) < 0) {
				ret = -EFAULT;
				goto err;
			}
		}
#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB)
		dhd_wlfc_init(bcmsdh_get_drvdata());
#endif
		g_wifi_on = TRUE;
	}

exit:
	printk("%s: Success\n", __FUNCTION__);
	dhd_net_if_unlock(dev);
	return ret;

err:
	dhd_dev_reset(dev, TRUE);
	sdioh_stop(NULL);
	dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
	printk("%s: Failed\n", __FUNCTION__);
	dhd_net_if_unlock(dev);

	return ret;
}
Beispiel #2
0
int wl_android_wifi_on(struct net_device *dev)
{
	int ret = 0;
	int retry = POWERUP_MAX_RETRY;

	printf("in\n");
	if (!dev) {
		DHD_ERROR(("%s: dev is null\n", __FUNCTION__));
		return -EINVAL;
	}

	dhd_net_if_lock(dev);
	if (!g_wifi_on) {
		do {
			/* fix sdio init error/timeout issue begin */
			sdioh_power_on();
			/* fix sdio init error/timeout issue end */
			dhd_customer_gpio_wlan_ctrl(WLAN_RESET_ON);
			ret = sdioh_start(NULL, 0);
			if (ret == 0)
				break;
			DHD_ERROR(("\nfailed to power up wifi chip, retry again (%d left) **\n\n",
				retry+1));
			dhd_customer_gpio_wlan_ctrl(WLAN_RESET_OFF);
			/* fix sdio init error/timeout issue begin */
			sdioh_power_off();
			/* fix sdio init error/timeout issue end */
		} while (retry-- >= 0);
		if (ret != 0) {
			DHD_ERROR(("\nfailed to power up wifi chip, max retry reached **\n\n"));
			goto exit;
		}
		ret = dhd_dev_reset(dev, FALSE);
		sdioh_start(NULL, 1);
		if (!ret) {
			if (dhd_dev_init_ioctl(dev) < 0)
				ret = -EFAULT;
		} else {
			DHD_ERROR(("%s: dhd_dev_reset failed, ret is %d\n", __FUNCTION__, ret));
		}
#if defined(PROP_TXSTATUS) && !defined(PROP_TXSTATUS_VSDB) && defined(BCMLXSDMMC)
		dhd_wlfc_init(bcmsdh_get_drvdata());
#endif
		g_wifi_on = TRUE;
	}

exit:
	dhd_net_if_unlock(dev);

	return ret;
}