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-rw-r--r--drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c8
-rw-r--r--drivers/net/can/spi/mcp251xfd/mcp251xfd-timestamp.c7
-rw-r--r--drivers/net/can/spi/mcp251xfd/mcp251xfd.h1
3 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
index 07e0896d4e9b..6fecfe4cd080 100644
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c
@@ -744,6 +744,7 @@ static void mcp251xfd_chip_stop(struct mcp251xfd_priv *priv,
mcp251xfd_chip_interrupts_disable(priv);
mcp251xfd_chip_rx_int_disable(priv);
+ mcp251xfd_timestamp_stop(priv);
mcp251xfd_chip_sleep(priv);
}
@@ -763,6 +764,8 @@ static int mcp251xfd_chip_start(struct mcp251xfd_priv *priv)
if (err)
goto out_chip_stop;
+ mcp251xfd_timestamp_start(priv);
+
err = mcp251xfd_set_bittiming(priv);
if (err)
goto out_chip_stop;
@@ -1610,11 +1613,12 @@ static int mcp251xfd_open(struct net_device *ndev)
if (err)
goto out_mcp251xfd_ring_free;
+ mcp251xfd_timestamp_init(priv);
+
err = mcp251xfd_chip_start(priv);
if (err)
goto out_transceiver_disable;
- mcp251xfd_timestamp_init(priv);
clear_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
can_rx_offload_enable(&priv->offload);
@@ -1648,7 +1652,6 @@ out_destroy_workqueue:
out_can_rx_offload_disable:
can_rx_offload_disable(&priv->offload);
set_bit(MCP251XFD_FLAGS_DOWN, priv->flags);
- mcp251xfd_timestamp_stop(priv);
out_transceiver_disable:
mcp251xfd_transceiver_disable(priv);
out_mcp251xfd_ring_free:
@@ -1674,7 +1677,6 @@ static int mcp251xfd_stop(struct net_device *ndev)
free_irq(ndev->irq, priv);
destroy_workqueue(priv->wq);
can_rx_offload_disable(&priv->offload);
- mcp251xfd_timestamp_stop(priv);
mcp251xfd_chip_stop(priv, CAN_STATE_STOPPED);
mcp251xfd_transceiver_disable(priv);
mcp251xfd_ring_free(priv);
diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-timestamp.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-timestamp.c
index 1db99aabe85c..202ca0d24d03 100644
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-timestamp.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-timestamp.c
@@ -48,9 +48,12 @@ void mcp251xfd_timestamp_init(struct mcp251xfd_priv *priv)
cc->shift = 1;
cc->mult = clocksource_hz2mult(priv->can.clock.freq, cc->shift);
- timecounter_init(&priv->tc, &priv->cc, ktime_get_real_ns());
-
INIT_DELAYED_WORK(&priv->timestamp, mcp251xfd_timestamp_work);
+}
+
+void mcp251xfd_timestamp_start(struct mcp251xfd_priv *priv)
+{
+ timecounter_init(&priv->tc, &priv->cc, ktime_get_real_ns());
schedule_delayed_work(&priv->timestamp,
MCP251XFD_TIMESTAMP_WORK_DELAY_SEC * HZ);
}
diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd.h b/drivers/net/can/spi/mcp251xfd/mcp251xfd.h
index 991662fbba42..dcbbd2b2fae8 100644
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd.h
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd.h
@@ -957,6 +957,7 @@ int mcp251xfd_ring_alloc(struct mcp251xfd_priv *priv);
int mcp251xfd_handle_rxif(struct mcp251xfd_priv *priv);
int mcp251xfd_handle_tefif(struct mcp251xfd_priv *priv);
void mcp251xfd_timestamp_init(struct mcp251xfd_priv *priv);
+void mcp251xfd_timestamp_start(struct mcp251xfd_priv *priv);
void mcp251xfd_timestamp_stop(struct mcp251xfd_priv *priv);
void mcp251xfd_tx_obj_write_sync(struct work_struct *work);