diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ipa/ipa_modem.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/drivers/net/ipa/ipa_modem.c b/drivers/net/ipa/ipa_modem.c index 423422a2a445..a6f6cd149c1b 100644 --- a/drivers/net/ipa/ipa_modem.c +++ b/drivers/net/ipa/ipa_modem.c @@ -39,10 +39,14 @@ enum ipa_modem_state { /** * struct ipa_priv - IPA network device private data * @ipa: IPA pointer + * @tx: Transmit endpoint pointer + * @rx: Receive endpoint pointer * @work: Work structure used to wake the modem netdev TX queue */ struct ipa_priv { struct ipa *ipa; + struct ipa_endpoint *tx; + struct ipa_endpoint *rx; struct work_struct work; }; @@ -59,11 +63,11 @@ static int ipa_open(struct net_device *netdev) if (ret < 0) goto err_power_put; - ret = ipa_endpoint_enable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); + ret = ipa_endpoint_enable_one(priv->tx); if (ret) goto err_power_put; - ret = ipa_endpoint_enable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]); + ret = ipa_endpoint_enable_one(priv->rx); if (ret) goto err_disable_tx; @@ -75,7 +79,7 @@ static int ipa_open(struct net_device *netdev) return 0; err_disable_tx: - ipa_endpoint_disable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); + ipa_endpoint_disable_one(priv->tx); err_power_put: pm_runtime_put_noidle(dev); @@ -97,8 +101,8 @@ static int ipa_stop(struct net_device *netdev) netif_stop_queue(netdev); - ipa_endpoint_disable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]); - ipa_endpoint_disable_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); + ipa_endpoint_disable_one(priv->rx); + ipa_endpoint_disable_one(priv->tx); out_power_put: pm_runtime_mark_last_busy(dev); (void)pm_runtime_put_autosuspend(dev); @@ -233,14 +237,14 @@ static void ipa_modem_netdev_setup(struct net_device *netdev) */ void ipa_modem_suspend(struct net_device *netdev) { - struct ipa_priv *priv = netdev_priv(netdev); - struct ipa *ipa = priv->ipa; + struct ipa_priv *priv; if (!(netdev->flags & IFF_UP)) return; - ipa_endpoint_suspend_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]); - ipa_endpoint_suspend_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); + priv = netdev_priv(netdev); + ipa_endpoint_suspend_one(priv->rx); + ipa_endpoint_suspend_one(priv->tx); } /** @@ -268,14 +272,14 @@ static void ipa_modem_wake_queue_work(struct work_struct *work) */ void ipa_modem_resume(struct net_device *netdev) { - struct ipa_priv *priv = netdev_priv(netdev); - struct ipa *ipa = priv->ipa; + struct ipa_priv *priv; if (!(netdev->flags & IFF_UP)) return; - ipa_endpoint_resume_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]); - ipa_endpoint_resume_one(ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]); + priv = netdev_priv(netdev); + ipa_endpoint_resume_one(priv->tx); + ipa_endpoint_resume_one(priv->rx); /* Arrange for the TX queue to be restarted */ (void)queue_pm_work(&priv->work); @@ -306,16 +310,21 @@ int ipa_modem_start(struct ipa *ipa) SET_NETDEV_DEV(netdev, &ipa->pdev->dev); priv = netdev_priv(netdev); priv->ipa = ipa; + priv->tx = ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]; + priv->rx = ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]; INIT_WORK(&priv->work, ipa_modem_wake_queue_work); - ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]->netdev = netdev; - ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]->netdev = netdev; + + priv->tx->netdev = netdev; + priv->rx->netdev = netdev; + ipa->modem_netdev = netdev; ret = register_netdev(netdev); if (ret) { ipa->modem_netdev = NULL; - ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]->netdev = NULL; - ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]->netdev = NULL; + priv->rx->netdev = NULL; + priv->tx->netdev = NULL; + free_netdev(netdev); } @@ -355,9 +364,11 @@ int ipa_modem_stop(struct ipa *ipa) if (netdev->flags & IFF_UP) (void)ipa_stop(netdev); unregister_netdev(netdev); + ipa->modem_netdev = NULL; - ipa->name_map[IPA_ENDPOINT_AP_MODEM_RX]->netdev = NULL; - ipa->name_map[IPA_ENDPOINT_AP_MODEM_TX]->netdev = NULL; + priv->rx->netdev = NULL; + priv->tx->netdev = NULL; + free_netdev(netdev); } |