diff options
Diffstat (limited to 'drivers/net/wwan/t7xx/t7xx_netdev.c')
| -rw-r--r-- | drivers/net/wwan/t7xx/t7xx_netdev.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/wwan/t7xx/t7xx_netdev.c b/drivers/net/wwan/t7xx/t7xx_netdev.c index 3ef4a8a4f8fd..91fa082e9cab 100644 --- a/drivers/net/wwan/t7xx/t7xx_netdev.c +++ b/drivers/net/wwan/t7xx/t7xx_netdev.c @@ -253,22 +253,27 @@ static void t7xx_ccmni_wwan_setup(struct net_device *dev) dev->netdev_ops = &ccmni_netdev_ops; } -static void t7xx_init_netdev_napi(struct t7xx_ccmni_ctrl *ctlb) +static int t7xx_init_netdev_napi(struct t7xx_ccmni_ctrl *ctlb) { int i; /* one HW, but shared with multiple net devices, * so add a dummy device for NAPI. */ - init_dummy_netdev(&ctlb->dummy_dev); + ctlb->dummy_dev = alloc_netdev_dummy(0); + if (!ctlb->dummy_dev) + return -ENOMEM; + atomic_set(&ctlb->napi_usr_refcnt, 0); ctlb->is_napi_en = false; for (i = 0; i < RXQ_NUM; i++) { ctlb->napi[i] = &ctlb->hif_ctrl->rxq[i].napi; - netif_napi_add_weight(&ctlb->dummy_dev, ctlb->napi[i], t7xx_dpmaif_napi_rx_poll, + netif_napi_add_weight(ctlb->dummy_dev, ctlb->napi[i], t7xx_dpmaif_napi_rx_poll, NIC_NAPI_POLL_BUDGET); } + + return 0; } static void t7xx_uninit_netdev_napi(struct t7xx_ccmni_ctrl *ctlb) @@ -279,6 +284,7 @@ static void t7xx_uninit_netdev_napi(struct t7xx_ccmni_ctrl *ctlb) netif_napi_del(ctlb->napi[i]); ctlb->napi[i] = NULL; } + free_netdev(ctlb->dummy_dev); } static int t7xx_ccmni_wwan_newlink(void *ctxt, struct net_device *dev, u32 if_id, @@ -480,6 +486,7 @@ int t7xx_ccmni_init(struct t7xx_pci_dev *t7xx_dev) { struct device *dev = &t7xx_dev->pdev->dev; struct t7xx_ccmni_ctrl *ctlb; + int ret; ctlb = devm_kzalloc(dev, sizeof(*ctlb), GFP_KERNEL); if (!ctlb) @@ -495,7 +502,12 @@ int t7xx_ccmni_init(struct t7xx_pci_dev *t7xx_dev) if (!ctlb->hif_ctrl) return -ENOMEM; - t7xx_init_netdev_napi(ctlb); + ret = t7xx_init_netdev_napi(ctlb); + if (ret) { + t7xx_dpmaif_hif_exit(ctlb->hif_ctrl); + return ret; + } + init_md_status_notifier(t7xx_dev); return 0; } |