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path: root/drivers/net/can/usb/peak_usb/pcan_usb.c
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Diffstat (limited to 'drivers/net/can/usb/peak_usb/pcan_usb.c')
-rw-r--r--drivers/net/can/usb/peak_usb/pcan_usb.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c
index 2362ac80c3da..fea44e33c3dd 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -63,6 +63,8 @@
#define PCAN_USB_MSG_HEADER_LEN 2
+#define PCAN_USB_MSG_TX_CAN 2 /* Tx msg is a CAN frame */
+
/* PCAN-USB adapter internal clock (MHz) */
#define PCAN_USB_CRYSTAL_HZ 16000000
@@ -834,8 +836,8 @@ static int pcan_usb_encode_msg(struct peak_usb_device *dev, struct sk_buff *skb,
u32 can_id_flags = cf->can_id & CAN_ERR_MASK;
u8 *pc;
- obuf[0] = 2;
- obuf[1] = 1;
+ obuf[0] = PCAN_USB_MSG_TX_CAN;
+ obuf[1] = 1; /* only one CAN frame is stored in the packet */
pc = obuf + PCAN_USB_MSG_HEADER_LEN;