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path: root/drivers/net/can/m_can/m_can.c
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Diffstat (limited to 'drivers/net/can/m_can/m_can.c')
-rw-r--r--drivers/net/can/m_can/m_can.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 012c3d22b01d..a978b960f1f1 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1434,7 +1434,8 @@ static int m_can_chip_config(struct net_device *dev)
/* Disable unused interrupts */
interrupts &= ~(IR_ARA | IR_ELO | IR_DRX | IR_TEFF | IR_TFE | IR_TCF |
- IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | IR_RF0F);
+ IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | IR_RF0F |
+ IR_TSW);
err = m_can_config_enable(cdev);
if (err)
@@ -1763,11 +1764,7 @@ static int m_can_close(struct net_device *dev)
netif_stop_queue(dev);
- if (!cdev->is_peripheral)
- napi_disable(&cdev->napi);
-
m_can_stop(dev);
- m_can_clk_stop(cdev);
free_irq(dev->irq, dev);
m_can_clean(dev);
@@ -1776,10 +1773,13 @@ static int m_can_close(struct net_device *dev)
destroy_workqueue(cdev->tx_wq);
cdev->tx_wq = NULL;
can_rx_offload_disable(&cdev->offload);
+ } else {
+ napi_disable(&cdev->napi);
}
close_candev(dev);
+ m_can_clk_stop(cdev);
phy_power_off(cdev->transceiver);
return 0;
@@ -2030,6 +2030,8 @@ static int m_can_open(struct net_device *dev)
if (cdev->is_peripheral)
can_rx_offload_enable(&cdev->offload);
+ else
+ napi_enable(&cdev->napi);
/* register interrupt handler */
if (cdev->is_peripheral) {
@@ -2063,9 +2065,6 @@ static int m_can_open(struct net_device *dev)
if (err)
goto exit_start_fail;
- if (!cdev->is_peripheral)
- napi_enable(&cdev->napi);
-
netif_start_queue(dev);
return 0;
@@ -2079,6 +2078,8 @@ exit_irq_fail:
out_wq_fail:
if (cdev->is_peripheral)
can_rx_offload_disable(&cdev->offload);
+ else
+ napi_disable(&cdev->napi);
close_candev(dev);
exit_disable_clks:
m_can_clk_stop(cdev);