diff options
| author |   Stephane Grosjean <s.grosjean@peak-system.com> | 2021-06-25 15:09:30 +0200 |
|---|---|---|
| committer |   Marc Kleine-Budde <mkl@pengutronix.de> | 2021-07-25 11:36:28 +0200 |
| commit | 1763c547648d5592b79139a1f5cf2e88d6258cf6 (patch) | |
| tree | ec33d79e75ab0d3fb9b2c33a50489d4a0f55346b /drivers/net/can/usb/peak_usb/pcan_usb.c | |
| parent | can: peak_usb: PCAN-USB: add support of loopback and one-shot mode (diff) | |
| download | linux-dev-1763c547648d5592b79139a1f5cf2e88d6258cf6.tar.xz linux-dev-1763c547648d5592b79139a1f5cf2e88d6258cf6.zip | |
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: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/usb/peak_usb/pcan_usb.c')
| -rw-r--r-- | drivers/net/can/usb/peak_usb/pcan_usb.c | 6 |
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; |