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path: root/drivers/net/can/xilinx_can.c
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Diffstat (limited to 'drivers/net/can/xilinx_can.c')
-rw-r--r--drivers/net/can/xilinx_can.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index c1dbab8c896d..6c4d00d2dbdc 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -259,7 +259,7 @@ static const struct can_bittiming_const xcan_bittiming_const_canfd2 = {
.tseg2_min = 1,
.tseg2_max = 128,
.sjw_max = 128,
- .brp_min = 1,
+ .brp_min = 2,
.brp_max = 256,
.brp_inc = 1,
};
@@ -272,7 +272,7 @@ static struct can_bittiming_const xcan_data_bittiming_const_canfd2 = {
.tseg2_min = 1,
.tseg2_max = 16,
.sjw_max = 16,
- .brp_min = 1,
+ .brp_min = 2,
.brp_max = 256,
.brp_inc = 1,
};
@@ -1308,7 +1308,7 @@ static void xcan_tx_interrupt(struct net_device *ndev, u32 isr)
/**
* xcan_interrupt - CAN Isr
* @irq: irq number
- * @dev_id: device id poniter
+ * @dev_id: device id pointer
*
* This is the xilinx CAN Isr. It checks for the type of interrupt
* and invokes the corresponding ISR.
@@ -1369,9 +1369,13 @@ static irqreturn_t xcan_interrupt(int irq, void *dev_id)
static void xcan_chip_stop(struct net_device *ndev)
{
struct xcan_priv *priv = netdev_priv(ndev);
+ int ret;
/* Disable interrupts and leave the can in configuration mode */
- set_reset_mode(ndev);
+ ret = set_reset_mode(ndev);
+ if (ret < 0)
+ netdev_dbg(ndev, "set_reset_mode() Failed\n");
+
priv->can.state = CAN_STATE_STOPPED;
}
@@ -1667,7 +1671,7 @@ static int xcan_probe(struct platform_device *pdev)
void __iomem *addr;
int ret;
int rx_max, tx_max;
- int hw_tx_max, hw_rx_max;
+ u32 hw_tx_max = 0, hw_rx_max = 0;
const char *hw_tx_max_property;
/* Get the virtual base address for the device */
@@ -1720,7 +1724,7 @@ static int xcan_probe(struct platform_device *pdev)
*/
if (!(devtype->flags & XCAN_FLAG_TX_MAILBOXES) &&
(devtype->flags & XCAN_FLAG_TXFEMP))
- tx_max = min(hw_tx_max, 2);
+ tx_max = min(hw_tx_max, 2U);
else
tx_max = 1;