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Message-Id: <20210726141144.862529-31-mkl@pengutronix.de>
Date: Mon, 26 Jul 2021 16:11:28 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
kernel@...gutronix.de, Peng Li <lipeng321@...wei.com>,
Guangbin Huang <huangguangbin2@...wei.com>,
Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 30/46] net: at91_can: fix the comments style issue
From: Peng Li <lipeng321@...wei.com>
Networking block comments don't use an empty /* line,
use /* Comment...
Block comments use * on subsequent lines.
Block comments use a trailing */ on a separate line.
This patch fixes the comments style issues.
Link: https://lore.kernel.org/r/1624096589-13452-9-git-send-email-huangguangbin2@huawei.com
Signed-off-by: Peng Li <lipeng321@...wei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@...wei.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
drivers/net/can/at91_can.c | 42 +++++++++++++-------------------------
1 file changed, 14 insertions(+), 28 deletions(-)
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 3709152e9695..b06af90a9964 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -317,8 +317,7 @@ static void at91_setup_mailboxes(struct net_device *dev)
unsigned int i;
u32 reg_mid;
- /*
- * Due to a chip bug (errata 50.2.6.3 & 50.3.5.3) the first
+ /* Due to a chip bug (errata 50.2.6.3 & 50.3.5.3) the first
* mailbox is disabled. The next 11 mailboxes are used as a
* reception FIFO. The last mailbox is configured with
* overwrite option. The overwrite flag indicates a FIFO
@@ -424,8 +423,7 @@ static void at91_chip_stop(struct net_device *dev, enum can_state state)
priv->can.state = state;
}
-/*
- * theory of operation:
+/* theory of operation:
*
* According to the datasheet priority 0 is the highest priority, 15
* is the lowest. If two mailboxes have the same priority level the
@@ -487,8 +485,7 @@ static netdev_tx_t at91_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* _NOTE_: subtract AT91_MB_TX_FIRST offset from mb! */
can_put_echo_skb(skb, dev, mb - get_mb_tx_first(priv), 0);
- /*
- * we have to stop the queue and deliver all messages in case
+ /* we have to stop the queue and deliver all messages in case
* of a prio+mb counter wrap around. This is the case if
* tx_next buffer prio and mailbox equals 0.
*
@@ -799,8 +796,7 @@ static int at91_poll(struct napi_struct *napi, int quota)
if (reg_sr & get_irq_mb_rx(priv))
work_done += at91_poll_rx(dev, quota - work_done);
- /*
- * The error bits are clear on read,
+ /* The error bits are clear on read,
* so use saved value from irq handler.
*/
reg_sr |= priv->reg_sr;
@@ -820,8 +816,7 @@ static int at91_poll(struct napi_struct *napi, int quota)
return work_done;
}
-/*
- * theory of operation:
+/* theory of operation:
*
* priv->tx_echo holds the number of the oldest can_frame put for
* transmission into the hardware, but not yet ACKed by the CAN tx
@@ -850,8 +845,7 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr)
/* Disable irq for this TX mailbox */
at91_write(priv, AT91_IDR, 1 << mb);
- /*
- * only echo if mailbox signals us a transfer
+ /* only echo if mailbox signals us a transfer
* complete (MSR_MRDY). Otherwise it's a tansfer
* abort. "can_bus_off()" takes care about the skbs
* parked in the echo queue.
@@ -866,8 +860,7 @@ static void at91_irq_tx(struct net_device *dev, u32 reg_sr)
}
}
- /*
- * restart queue if we don't have a wrap around but restart if
+ /* restart queue if we don't have a wrap around but restart if
* we get a TX int for the last can frame directly before a
* wrap around.
*/
@@ -887,8 +880,7 @@ static void at91_irq_err_state(struct net_device *dev,
switch (priv->can.state) {
case CAN_STATE_ERROR_ACTIVE:
- /*
- * from: ERROR_ACTIVE
+ /* from: ERROR_ACTIVE
* to : ERROR_WARNING, ERROR_PASSIVE, BUS_OFF
* => : there was a warning int
*/
@@ -904,8 +896,7 @@ static void at91_irq_err_state(struct net_device *dev,
}
fallthrough;
case CAN_STATE_ERROR_WARNING:
- /*
- * from: ERROR_ACTIVE, ERROR_WARNING
+ /* from: ERROR_ACTIVE, ERROR_WARNING
* to : ERROR_PASSIVE, BUS_OFF
* => : error passive int
*/
@@ -921,8 +912,7 @@ static void at91_irq_err_state(struct net_device *dev,
}
break;
case CAN_STATE_BUS_OFF:
- /*
- * from: BUS_OFF
+ /* from: BUS_OFF
* to : ERROR_ACTIVE, ERROR_WARNING, ERROR_PASSIVE
*/
if (new_state <= CAN_STATE_ERROR_PASSIVE) {
@@ -942,8 +932,7 @@ static void at91_irq_err_state(struct net_device *dev,
/* process state changes depending on the new state */
switch (new_state) {
case CAN_STATE_ERROR_ACTIVE:
- /*
- * actually we want to enable AT91_IRQ_WARN here, but
+ /* actually we want to enable AT91_IRQ_WARN here, but
* it screws up the system under certain
* circumstances. so just enable AT91_IRQ_ERRP, thus
* the "fallthrough"
@@ -1055,8 +1044,7 @@ static void at91_irq_err(struct net_device *dev)
priv->can.state = new_state;
}
-/*
- * interrupt handler
+/* interrupt handler
*/
static irqreturn_t at91_irq(int irq, void *dev_id)
{
@@ -1077,8 +1065,7 @@ static irqreturn_t at91_irq(int irq, void *dev_id)
/* Receive or error interrupt? -> napi */
if (reg_sr & (get_irq_mb_rx(priv) | AT91_IRQ_ERR_FRAME)) {
- /*
- * The error bits are clear on read,
+ /* The error bits are clear on read,
* save for later use.
*/
priv->reg_sr = reg_sr;
@@ -1135,8 +1122,7 @@ static int at91_open(struct net_device *dev)
return err;
}
-/*
- * stop CAN bus activity
+/* stop CAN bus activity
*/
static int at91_close(struct net_device *dev)
{
--
2.30.2
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