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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /drivers/net/wwan/t7xx
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/wwan/t7xx')
-rw-r--r--drivers/net/wwan/t7xx/t7xx_netdev.c20
-rw-r--r--drivers/net/wwan/t7xx/t7xx_netdev.h2
2 files changed, 17 insertions, 5 deletions
diff --git a/drivers/net/wwan/t7xx/t7xx_netdev.c b/drivers/net/wwan/t7xx/t7xx_netdev.c
index 3ef4a8a4f8..91fa082e9c 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;
}
diff --git a/drivers/net/wwan/t7xx/t7xx_netdev.h b/drivers/net/wwan/t7xx/t7xx_netdev.h
index f5ed6f99a1..b18312f498 100644
--- a/drivers/net/wwan/t7xx/t7xx_netdev.h
+++ b/drivers/net/wwan/t7xx/t7xx_netdev.h
@@ -48,7 +48,7 @@ struct t7xx_ccmni_ctrl {
unsigned int md_sta;
struct t7xx_fsm_notifier md_status_notify;
bool wwan_is_registered;
- struct net_device dummy_dev;
+ struct net_device *dummy_dev;
struct napi_struct *napi[RXQ_NUM];
atomic_t napi_usr_refcnt;
bool is_napi_en;