Commit 1763c547 authored by Stephane Grosjean's avatar Stephane Grosjean Committed by Marc Kleine-Budde
Browse files

can: peak_usb: pcan_usb_encode_msg(): add information 

This patch adds information by replacing a hard-coded values with its
symbol and a adding comment.

Link: https://lore.kernel.org/r/20210625130931.27438-5-s.grosjean@peak-system.com


Signed-off-by: default avatarStephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 3a793949

drivers/net/can/usb/peak_usb/pcan_usb.c

+4 −2
Original line number Diff line number Diff line
@@ -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;