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Message-ID: <1552908766-26753-2-git-send-email-appana.durga.rao@xilinx.com>
Date: Mon, 18 Mar 2019 17:02:41 +0530
From: Appana Durga Kedareswara rao <appana.durga.rao@...inx.com>
To: <wg@...ndegger.com>, <mkl@...gutronix.de>, <davem@...emloft.net>,
<michal.simek@...inx.com>
CC: <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Appana Durga Kedareswara rao <appana.durga.rao@...inx.com>
Subject: [PATCH 1/6] net: can: xilinx_can: Fix style issues
This patch fixes below checkpatch warnings and checks in the driver.
CHECK: Alignment should match open parenthesis
+ void (*write_reg)(const struct xcan_priv *priv, enum xcan_reg reg,
+ u32 val);
CHECK: Alignment should match open parenthesis
+static void xcan_write_reg_le(const struct xcan_priv *priv, enum xcan_reg reg,
+ u32 val)
CHECK: Alignment should match open parenthesis
+static void xcan_write_reg_be(const struct xcan_priv *priv, enum xcan_reg reg,
+ u32 val)
CHECK: Alignment should match open parenthesis
+ netdev_dbg(ndev, "BRPR=0x%08x, BTR=0x%08x\n",
+ priv->read_reg(priv, XCAN_BRPR_OFFSET),
CHECK: Alignment should match open parenthesis
+ netdev_warn(ndev,
+ "timed out for correct mode\n");
CHECK: Alignment should match open parenthesis
+ netdev_dbg(ndev, "status:#x%08x\n",
+ priv->read_reg(priv, XCAN_SR_OFFSET));
CHECK: spaces preferred around that '-' (ctx:VxV)
+ (CAN_EFF_ID_BITS-CAN_SFF_ID_BITS)) <<
^
CHECK: Alignment should match open parenthesis
+ netdev_dbg(ndev, "%s: error status register:0x%x\n",
+ __func__, priv->read_reg(priv, XCAN_ESR_OFFSET));
WARNING: line over 80 characters
+ offset = XCAN_RXMSG_2_FRAME_OFFSET(fsr & XCAN_FSR_RI_MASK);
WARNING: line over 80 characters
+ offset = XCAN_RXMSG_FRAME_OFFSET(fsr & XCAN_FSR_RI_MASK);
WARNING: line over 80 characters
+ while ((isr & XCAN_IXR_TXOK_MASK) && !WARN_ON(++retries == 100)) {
WARNING: line over 80 characters
+ priv->write_reg(priv, XCAN_ICR_OFFSET, XCAN_IXR_TXOK_MASK);
CHECK: Alignment should match open parenthesis
+ netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
+ __func__, ret);
CHECK: Alignment should match open parenthesis
+ ret = request_irq(ndev->irq, xcan_interrupt, priv->irq_flags,
+ ndev->name, ndev);
CHECK: Alignment should match open parenthesis
+static int xcan_get_berr_counter(const struct net_device *ndev,
+ struct can_berr_counter *bec)
CHECK: Alignment should match open parenthesis
+ netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
+ __func__, ret);
CHECK: Please don't use multiple blank lines
+
+
CHECK: Alignment should match open parenthesis
+ netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
+ __func__, ret);`
Signed-off-by: Appana Durga Kedareswara rao <appana.durga.rao@...inx.com>
---
drivers/net/can/xilinx_can.c | 41 ++++++++++++++++++++++-------------------
1 file changed, 22 insertions(+), 19 deletions(-)
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 97d0933..2de51ac 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -191,7 +191,7 @@ struct xcan_priv {
struct napi_struct napi;
u32 (*read_reg)(const struct xcan_priv *priv, enum xcan_reg reg);
void (*write_reg)(const struct xcan_priv *priv, enum xcan_reg reg,
- u32 val);
+ u32 val);
struct device *dev;
void __iomem *reg_base;
unsigned long irq_flags;
@@ -246,7 +246,7 @@ static const struct can_bittiming_const xcan_bittiming_const_canfd2 = {
* Write data to the paricular CAN register
*/
static void xcan_write_reg_le(const struct xcan_priv *priv, enum xcan_reg reg,
- u32 val)
+ u32 val)
{
iowrite32(val, priv->reg_base + reg);
}
@@ -273,7 +273,7 @@ static u32 xcan_read_reg_le(const struct xcan_priv *priv, enum xcan_reg reg)
* Write data to the paricular CAN register
*/
static void xcan_write_reg_be(const struct xcan_priv *priv, enum xcan_reg reg,
- u32 val)
+ u32 val)
{
iowrite32be(val, priv->reg_base + reg);
}
@@ -381,8 +381,8 @@ static int xcan_set_bittiming(struct net_device *ndev)
priv->write_reg(priv, XCAN_BTR_OFFSET, btr1);
netdev_dbg(ndev, "BRPR=0x%08x, BTR=0x%08x\n",
- priv->read_reg(priv, XCAN_BRPR_OFFSET),
- priv->read_reg(priv, XCAN_BTR_OFFSET));
+ priv->read_reg(priv, XCAN_BRPR_OFFSET),
+ priv->read_reg(priv, XCAN_BTR_OFFSET));
return 0;
}
@@ -447,12 +447,12 @@ static int xcan_chip_start(struct net_device *ndev)
while (!(priv->read_reg(priv, XCAN_SR_OFFSET) & reg_sr_mask)) {
if (time_after(jiffies, timeout)) {
netdev_warn(ndev,
- "timed out for correct mode\n");
+ "timed out for correct mode\n");
return -ETIMEDOUT;
}
}
netdev_dbg(ndev, "status:#x%08x\n",
- priv->read_reg(priv, XCAN_SR_OFFSET));
+ priv->read_reg(priv, XCAN_SR_OFFSET));
priv->can.state = CAN_STATE_ERROR_ACTIVE;
return 0;
@@ -506,7 +506,7 @@ static void xcan_write_frame(struct xcan_priv *priv, struct sk_buff *skb,
id = ((cf->can_id & CAN_EFF_MASK) << XCAN_IDR_ID2_SHIFT) &
XCAN_IDR_ID2_MASK;
id |= (((cf->can_id & CAN_EFF_MASK) >>
- (CAN_EFF_ID_BITS-CAN_SFF_ID_BITS)) <<
+ (CAN_EFF_ID_BITS - CAN_SFF_ID_BITS)) <<
XCAN_IDR_ID1_SHIFT) & XCAN_IDR_ID1_MASK;
/* The substibute remote TX request bit should be "1"
@@ -942,7 +942,7 @@ static void xcan_err_interrupt(struct net_device *ndev, u32 isr)
}
netdev_dbg(ndev, "%s: error status register:0x%x\n",
- __func__, priv->read_reg(priv, XCAN_ESR_OFFSET));
+ __func__, priv->read_reg(priv, XCAN_ESR_OFFSET));
}
/**
@@ -990,9 +990,11 @@ static int xcan_rx_fifo_get_next_frame(struct xcan_priv *priv)
return -ENOENT;
if (priv->devtype.flags & XCAN_FLAG_CANFD_2)
- offset = XCAN_RXMSG_2_FRAME_OFFSET(fsr & XCAN_FSR_RI_MASK);
+ offset =
+ XCAN_RXMSG_2_FRAME_OFFSET(fsr & XCAN_FSR_RI_MASK);
else
- offset = XCAN_RXMSG_FRAME_OFFSET(fsr & XCAN_FSR_RI_MASK);
+ offset =
+ XCAN_RXMSG_FRAME_OFFSET(fsr & XCAN_FSR_RI_MASK);
} else {
/* check if RX FIFO is empty */
@@ -1102,8 +1104,10 @@ static void xcan_tx_interrupt(struct net_device *ndev, u32 isr)
* via TXFEMP handling as we read TXFEMP *after* TXOK
* clear to satisfy (1).
*/
- while ((isr & XCAN_IXR_TXOK_MASK) && !WARN_ON(++retries == 100)) {
- priv->write_reg(priv, XCAN_ICR_OFFSET, XCAN_IXR_TXOK_MASK);
+ while ((isr & XCAN_IXR_TXOK_MASK) &&
+ !WARN_ON(++retries == 100)) {
+ priv->write_reg(priv, XCAN_ICR_OFFSET,
+ XCAN_IXR_TXOK_MASK);
isr = priv->read_reg(priv, XCAN_ISR_OFFSET);
}
@@ -1216,12 +1220,12 @@ static int xcan_open(struct net_device *ndev)
ret = pm_runtime_get_sync(priv->dev);
if (ret < 0) {
netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
- __func__, ret);
+ __func__, ret);
return ret;
}
ret = request_irq(ndev->irq, xcan_interrupt, priv->irq_flags,
- ndev->name, ndev);
+ ndev->name, ndev);
if (ret < 0) {
netdev_err(ndev, "irq allocation for CAN failed\n");
goto err;
@@ -1292,7 +1296,7 @@ static int xcan_close(struct net_device *ndev)
* Return: 0 on success and failure value on error
*/
static int xcan_get_berr_counter(const struct net_device *ndev,
- struct can_berr_counter *bec)
+ struct can_berr_counter *bec)
{
struct xcan_priv *priv = netdev_priv(ndev);
int ret;
@@ -1300,7 +1304,7 @@ static int xcan_get_berr_counter(const struct net_device *ndev,
ret = pm_runtime_get_sync(priv->dev);
if (ret < 0) {
netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
- __func__, ret);
+ __func__, ret);
return ret;
}
@@ -1313,7 +1317,6 @@ static int xcan_get_berr_counter(const struct net_device *ndev,
return 0;
}
-
static const struct net_device_ops xcan_netdev_ops = {
.ndo_open = xcan_open,
.ndo_stop = xcan_close,
@@ -1597,7 +1600,7 @@ static int xcan_probe(struct platform_device *pdev)
ret = pm_runtime_get_sync(&pdev->dev);
if (ret < 0) {
netdev_err(ndev, "%s: pm_runtime_get failed(%d)\n",
- __func__, ret);
+ __func__, ret);
goto err_pmdisable;
}
--
2.7.4
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