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-rw-r--r--drivers/net/wireless/ath/wil6210/interrupt.c15
-rw-r--r--drivers/net/wireless/ath/wil6210/main.c9
-rw-r--r--drivers/net/wireless/ath/wil6210/wil6210.h1
3 files changed, 21 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c
index 52c40e1d593a..201cf06ef5d8 100644
--- a/drivers/net/wireless/ath/wil6210/interrupt.c
+++ b/drivers/net/wireless/ath/wil6210/interrupt.c
@@ -195,8 +195,12 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie)
if (isr & BIT_DMA_EP_RX_ICR_RX_DONE) {
wil_dbg_irq(wil, "RX done\n");
isr &= ~BIT_DMA_EP_RX_ICR_RX_DONE;
- wil_dbg_txrx(wil, "NAPI schedule\n");
- napi_schedule(&wil->napi_rx);
+ if (test_bit(wil_status_reset_done, &wil->status)) {
+ wil_dbg_txrx(wil, "NAPI(Rx) schedule\n");
+ napi_schedule(&wil->napi_rx);
+ } else {
+ wil_err(wil, "Got Rx interrupt while in reset\n");
+ }
}
if (isr)
@@ -226,10 +230,15 @@ static irqreturn_t wil6210_irq_tx(int irq, void *cookie)
if (isr & BIT_DMA_EP_TX_ICR_TX_DONE) {
wil_dbg_irq(wil, "TX done\n");
- napi_schedule(&wil->napi_tx);
isr &= ~BIT_DMA_EP_TX_ICR_TX_DONE;
/* clear also all VRING interrupts */
isr &= ~(BIT(25) - 1UL);
+ if (test_bit(wil_status_reset_done, &wil->status)) {
+ wil_dbg_txrx(wil, "NAPI(Tx) schedule\n");
+ napi_schedule(&wil->napi_tx);
+ } else {
+ wil_err(wil, "Got Tx interrupt while in reset\n");
+ }
}
if (isr)
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index de952ab78607..0831d4cd173b 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -329,11 +329,16 @@ int wil_reset(struct wil6210_priv *wil)
{
int rc;
+ wil->status = 0; /* prevent NAPI from being scheduled */
+ if (test_bit(wil_status_napi_en, &wil->status)) {
+ napi_synchronize(&wil->napi_rx);
+ napi_synchronize(&wil->napi_tx);
+ }
+
cancel_work_sync(&wil->disconnect_worker);
wil6210_disconnect(wil, NULL);
wil6210_disable_irq(wil);
- wil->status = 0;
wmi_event_flush(wil);
@@ -426,6 +431,7 @@ static int __wil_up(struct wil6210_priv *wil)
napi_enable(&wil->napi_rx);
napi_enable(&wil->napi_tx);
+ set_bit(wil_status_napi_en, &wil->status);
return 0;
}
@@ -443,6 +449,7 @@ int wil_up(struct wil6210_priv *wil)
static int __wil_down(struct wil6210_priv *wil)
{
+ clear_bit(wil_status_napi_en, &wil->status);
napi_disable(&wil->napi_rx);
napi_disable(&wil->napi_tx);
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index f7d8f0ead23e..89cbdc35b3e4 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -249,6 +249,7 @@ enum { /* for wil6210_priv.status */
wil_status_dontscan,
wil_status_reset_done,
wil_status_irqen, /* FIXME: interrupts enabled - for debug */
+ wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
};
struct pci_dev;