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-rw-r--r--drivers/net/can/xilinx_can.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.c
index 7c482b2d78d2..b6fa735e47f1 100644
--- a/drivers/net/can/xilinx_can.c
+++ b/drivers/net/can/xilinx_can.c
@@ -194,7 +194,7 @@ struct xcan_devtype_data {
*/
struct xcan_priv {
struct can_priv can;
- spinlock_t tx_lock;
+ spinlock_t tx_lock; /* Lock for synchronizing TX interrupt handling */
unsigned int tx_head;
unsigned int tx_tail;
unsigned int tx_max;
@@ -400,7 +400,7 @@ static int xcan_set_bittiming(struct net_device *ndev)
XCAN_SR_CONFIG_MASK;
if (!is_config_mode) {
netdev_alert(ndev,
- "BUG! Cannot set bittiming - CAN is not in config mode\n");
+ "BUG! Cannot set bittiming - CAN is not in config mode\n");
return -EPERM;
}
@@ -482,11 +482,10 @@ static int xcan_chip_start(struct net_device *ndev)
priv->write_reg(priv, XCAN_IER_OFFSET, ier);
/* Check whether it is loopback mode or normal mode */
- if (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK) {
+ if (priv->can.ctrlmode & CAN_CTRLMODE_LOOPBACK)
reg_msr = XCAN_MSR_LBACK_MASK;
- } else {
+ else
reg_msr = 0x0;
- }
/* enable the first extended filter, if any, as cores with extended
* filtering default to non-receipt if all filters are disabled