diff options
| -rw-r--r-- | drivers/net/can/usb/esd_usb.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/net/can/usb/esd_usb.c b/drivers/net/can/usb/esd_usb.c index 1399b832ea3f..6201637ac0ff 100644 --- a/drivers/net/can/usb/esd_usb.c +++ b/drivers/net/can/usb/esd_usb.c @@ -43,8 +43,7 @@ MODULE_LICENSE("GPL v2"); #define ESD_USB_CMD_IDADD 6 /* also used for IDADD_REPLY */ /* esd CAN message flags - dlc field */ -#define ESD_RTR BIT(4) - +#define ESD_USB_RTR BIT(4) /* esd CAN message flags - id field */ #define ESD_USB_EXTID BIT(29) @@ -52,7 +51,7 @@ MODULE_LICENSE("GPL v2"); #define ESD_USB_IDMASK GENMASK(28, 0) /* esd CAN event ids */ -#define ESD_EV_CAN_ERROR_EXT 2 /* CAN controller specific diagnostic data */ +#define ESD_USB_EV_CAN_ERROR_EXT 2 /* CAN controller specific diagnostic data */ /* baudrate message flags */ #define ESD_USB_LOM BIT(30) /* Listen Only Mode */ @@ -67,23 +66,23 @@ MODULE_LICENSE("GPL v2"); #define ESD_USB_TRIPLE_SAMPLES BIT(23) /* esd IDADD message */ -#define ESD_USB_ID_ENABLE 0x80 +#define ESD_USB_ID_ENABLE BIT(7) #define ESD_USB_MAX_ID_SEGMENT 64 /* SJA1000 ECC register (emulated by usb firmware) */ -#define ESD_USB_SJA1000_ECC_SEG 0x1F -#define ESD_USB_SJA1000_ECC_DIR 0x20 -#define ESD_USB_SJA1000_ECC_ERR 0x06 +#define ESD_USB_SJA1000_ECC_SEG GENMASK(4, 0) +#define ESD_USB_SJA1000_ECC_DIR BIT(5) +#define ESD_USB_SJA1000_ECC_ERR BIT(2, 1) #define ESD_USB_SJA1000_ECC_BIT 0x00 -#define ESD_USB_SJA1000_ECC_FORM 0x40 -#define ESD_USB_SJA1000_ECC_STUFF 0x80 -#define ESD_USB_SJA1000_ECC_MASK 0xc0 +#define ESD_USB_SJA1000_ECC_FORM BIT(6) +#define ESD_USB_SJA1000_ECC_STUFF BIT(7) +#define ESD_USB_SJA1000_ECC_MASK GENMASK(7, 6) /* esd bus state event codes */ -#define ESD_USB_BUSSTATE_MASK 0xc0 -#define ESD_USB_BUSSTATE_WARN 0x40 -#define ESD_USB_BUSSTATE_ERRPASSIVE 0x80 -#define ESD_USB_BUSSTATE_BUSOFF 0xc0 +#define ESD_USB_BUSSTATE_MASK GENMASK(7, 6) +#define ESD_USB_BUSSTATE_WARN BIT(6) +#define ESD_USB_BUSSTATE_ERRPASSIVE BIT(7) +#define ESD_USB_BUSSTATE_BUSOFF GENMASK(7, 6) #define ESD_USB_RX_BUFFER_SIZE 1024 #define ESD_USB_MAX_RX_URBS 4 @@ -228,7 +227,7 @@ static void esd_usb_rx_event(struct esd_usb_net_priv *priv, struct sk_buff *skb; u32 id = le32_to_cpu(msg->rx.id) & ESD_USB_IDMASK; - if (id == ESD_EV_CAN_ERROR_EXT) { + if (id == ESD_USB_EV_CAN_ERROR_EXT) { u8 state = msg->rx.ev_can_err_ext.status; u8 ecc = msg->rx.ev_can_err_ext.ecc; @@ -341,13 +340,13 @@ static void esd_usb_rx_can_msg(struct esd_usb_net_priv *priv, } cf->can_id = id & ESD_USB_IDMASK; - can_frame_set_cc_len(cf, msg->rx.dlc & ~ESD_RTR, + can_frame_set_cc_len(cf, msg->rx.dlc & ~ESD_USB_RTR, priv->can.ctrlmode); if (id & ESD_USB_EXTID) cf->can_id |= CAN_EFF_FLAG; - if (msg->rx.dlc & ESD_RTR) { + if (msg->rx.dlc & ESD_USB_RTR) { cf->can_id |= CAN_RTR_FLAG; } else { for (i = 0; i < cf->len; i++) @@ -652,9 +651,9 @@ static int esd_usb_start(struct esd_usb_net_priv *priv) msg->filter.net = priv->index; msg->filter.option = ESD_USB_ID_ENABLE; /* start with segment 0 */ for (i = 0; i < ESD_USB_MAX_ID_SEGMENT; i++) - msg->filter.mask[i] = cpu_to_le32(0xffffffff); + msg->filter.mask[i] = cpu_to_le32(GENMASK(31, 0)); /* enable 29bit extended IDs */ - msg->filter.mask[ESD_USB_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001); + msg->filter.mask[ESD_USB_MAX_ID_SEGMENT] = cpu_to_le32(BIT(0)); err = esd_usb_send_msg(dev, msg); if (err) @@ -767,7 +766,7 @@ static netdev_tx_t esd_usb_start_xmit(struct sk_buff *skb, msg->tx.id = cpu_to_le32(cf->can_id & CAN_ERR_MASK); if (cf->can_id & CAN_RTR_FLAG) - msg->tx.dlc |= ESD_RTR; + msg->tx.dlc |= ESD_USB_RTR; if (cf->can_id & CAN_EFF_FLAG) msg->tx.id |= cpu_to_le32(ESD_USB_EXTID); @@ -796,7 +795,7 @@ static netdev_tx_t esd_usb_start_xmit(struct sk_buff *skb, context->echo_index = i; /* hnd must not be 0 - MSB is stripped in txdone handling */ - msg->tx.hnd = 0x80000000 | i; /* returned in TX done message */ + msg->tx.hnd = BIT(31) | i; /* returned in TX done message */ usb_fill_bulk_urb(urb, dev->udev, usb_sndbulkpipe(dev->udev, 2), buf, msg->hdr.len * sizeof(u32), /* convert to # of bytes */ |