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Message-ID: <CAMZ6RqKdg5YBufa0C+ttzJvoG=9yuti-8AmthCi4jBbd08JEtw@mail.gmail.com>
Date: Thu, 18 May 2023 18:09:01 +0900
From: Vincent MAILHOL <mailhol.vincent@...adoo.fr>
To: Frank Jungclaus <frank.jungclaus@....eu>
Cc: linux-can@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>,
Wolfgang Grandegger <wg@...ndegger.com>,
Stefan Mätje <stefan.maetje@....eu>,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/6] can: esd_usb: Use consistent prefixes for macros
Hi, thanks for the series. I went through it and just have two nitpicks.
On Thu. 18 May 2023 at 04:27, Frank Jungclaus <frank.jungclaus@....eu> wrote:
> Initiated by a comment from Vincent Mailhol add the consistent prefix
No need to start all the series with:
Initiated by a comment from Vincent Mailhol
while I appreciate the ommage, the Suggested-by tag is sufficient for that.
> ESD_USB_ to all macros defined within esd_usb.c.
>
> For macros specific to esd CAN-USB/2 use ESD_USB_2_ as prefix.
> For macros specific to esd CAN-USB/Micro use ESD_USB_M_ as prefix.
>
> Link: https://lore.kernel.org/all/CAMZ6RqLaDNy-fZ2G0+QMhUEckkXLL+ZyELVSDFmqpd++aBzZQg@mail.gmail.com/
> Suggested-by: Vincent MAILHOL <mailhol.vincent@...adoo.fr>
> Signed-off-by: Frank Jungclaus <frank.jungclaus@....eu>
> ---
> drivers/net/can/usb/esd_usb.c | 198 +++++++++++++++++-----------------
> 1 file changed, 99 insertions(+), 99 deletions(-)
>
> diff --git a/drivers/net/can/usb/esd_usb.c b/drivers/net/can/usb/esd_usb.c
> index 194aa1cf37b5..23a568bfcdc2 100644
> --- a/drivers/net/can/usb/esd_usb.c
> +++ b/drivers/net/can/usb/esd_usb.c
> @@ -23,33 +23,33 @@ MODULE_DESCRIPTION("CAN driver for esd electronics gmbh CAN-USB/2 and CAN-USB/Mi
> MODULE_LICENSE("GPL v2");
>
> /* USB vendor and product ID */
> -#define USB_ESDGMBH_VENDOR_ID 0x0ab4
> -#define USB_CANUSB2_PRODUCT_ID 0x0010
> -#define USB_CANUSBM_PRODUCT_ID 0x0011
> +#define ESD_USB_ESDGMBH_VENDOR_ID 0x0ab4
> +#define ESD_USB_CANUSB2_PRODUCT_ID 0x0010
> +#define ESD_USB_CANUSBM_PRODUCT_ID 0x0011
>
> /* CAN controller clock frequencies */
> -#define ESD_USB2_CAN_CLOCK (60 * MEGA) /* Hz */
> -#define ESD_USBM_CAN_CLOCK (36 * MEGA) /* Hz */
> +#define ESD_USB_2_CAN_CLOCK (60 * MEGA) /* Hz */
> +#define ESD_USB_M_CAN_CLOCK (36 * MEGA) /* Hz */
>
> /* Maximum number of CAN nets */
> #define ESD_USB_MAX_NETS 2
>
> /* USB commands */
> -#define CMD_VERSION 1 /* also used for VERSION_REPLY */
> -#define CMD_CAN_RX 2 /* device to host only */
> -#define CMD_CAN_TX 3 /* also used for TX_DONE */
> -#define CMD_SETBAUD 4 /* also used for SETBAUD_REPLY */
> -#define CMD_TS 5 /* also used for TS_REPLY */
> -#define CMD_IDADD 6 /* also used for IDADD_REPLY */
> +#define ESD_USB_CMD_VERSION 1 /* also used for VERSION_REPLY */
> +#define ESD_USB_CMD_CAN_RX 2 /* device to host only */
> +#define ESD_USB_CMD_CAN_TX 3 /* also used for TX_DONE */
> +#define ESD_USB_CMD_SETBAUD 4 /* also used for SETBAUD_REPLY */
> +#define ESD_USB_CMD_TS 5 /* also used for TS_REPLY */
> +#define ESD_USB_CMD_IDADD 6 /* also used for IDADD_REPLY */
>
> /* esd CAN message flags - dlc field */
> #define ESD_RTR BIT(4) /* 0x10 */
>
>
> /* esd CAN message flags - id field */
> -#define ESD_EXTID BIT(29) /* 0x20000000 */
> -#define ESD_EVENT BIT(30) /* 0x40000000 */
> -#define ESD_IDMASK 0x1fffffff
> +#define ESD_USB_EXTID BIT(29) /* 0x20000000 */
> +#define ESD_USB_EVENT BIT(30) /* 0x40000000 */
> +#define ESD_USB_IDMASK 0x1fffffff
>
> /* esd CAN event ids */
> #define ESD_EV_CAN_ERROR_EXT 2 /* CAN controller specific diagnostic data */
> @@ -59,35 +59,35 @@ MODULE_LICENSE("GPL v2");
> #define ESD_USB_UBR BIT(31) /* 0x80000000, User Bit Rate (controller BTR) in bits 0..27 */
> #define ESD_USB_NO_BAUDRATE 0x7fffffff /* bit rate unconfigured */
>
> -/* bit timing CAN-USB/2 */
> -#define ESD_USB2_TSEG1_SHIFT 16
> -#define ESD_USB2_TSEG2_SHIFT 20
> -#define ESD_USB2_SJW_SHIFT 14
> -#define ESD_USBM_SJW_SHIFT 24
> -#define ESD_USB2_3_SAMPLES 0x00800000
That one should also use the BIT macro.
> +/* bit timing esd CAN-USB */
> +#define ESD_USB_2_TSEG1_SHIFT 16
> +#define ESD_USB_2_TSEG2_SHIFT 20
> +#define ESD_USB_2_SJW_SHIFT 14
> +#define ESD_USB_M_SJW_SHIFT 24
> +#define ESD_USB_3_SAMPLES 0x00800000
>
> /* esd IDADD message */
> -#define ESD_ID_ENABLE 0x80
> -#define ESD_MAX_ID_SEGMENT 64
> +#define ESD_USB_ID_ENABLE 0x80
> +#define ESD_USB_MAX_ID_SEGMENT 64
>
> /* SJA1000 ECC register (emulated by usb firmware) */
> -#define SJA1000_ECC_SEG 0x1F
> -#define SJA1000_ECC_DIR 0x20
> -#define SJA1000_ECC_ERR 0x06
> -#define SJA1000_ECC_BIT 0x00
> -#define SJA1000_ECC_FORM 0x40
> -#define SJA1000_ECC_STUFF 0x80
> -#define SJA1000_ECC_MASK 0xc0
> +#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_BIT 0x00
> +#define ESD_USB_SJA1000_ECC_FORM 0x40
> +#define ESD_USB_SJA1000_ECC_STUFF 0x80
> +#define ESD_USB_SJA1000_ECC_MASK 0xc0
>
> /* esd bus state event codes */
> -#define ESD_BUSSTATE_MASK 0xc0
> -#define ESD_BUSSTATE_WARN 0x40
> -#define ESD_BUSSTATE_ERRPASSIVE 0x80
> -#define ESD_BUSSTATE_BUSOFF 0xc0
> +#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 RX_BUFFER_SIZE 1024
> -#define MAX_RX_URBS 4
> -#define MAX_TX_URBS 16 /* must be power of 2 */
> +#define ESD_USB_RX_BUFFER_SIZE 1024
> +#define ESD_USB_MAX_RX_URBS 4
> +#define ESD_USB_MAX_TX_URBS 16 /* must be power of 2 */
>
> struct header_msg {
> u8 len; /* len is always the total message length in 32bit words */
> @@ -156,7 +156,7 @@ struct id_filter_msg {
> u8 cmd;
> u8 net;
> u8 option;
> - __le32 mask[ESD_MAX_ID_SEGMENT + 1];
> + __le32 mask[ESD_USB_MAX_ID_SEGMENT + 1];
> };
>
> struct set_baudrate_msg {
> @@ -180,8 +180,8 @@ union __packed esd_usb_msg {
> };
>
> static struct usb_device_id esd_usb_table[] = {
> - {USB_DEVICE(USB_ESDGMBH_VENDOR_ID, USB_CANUSB2_PRODUCT_ID)},
> - {USB_DEVICE(USB_ESDGMBH_VENDOR_ID, USB_CANUSBM_PRODUCT_ID)},
> + {USB_DEVICE(ESD_USB_ESDGMBH_VENDOR_ID, ESD_USB_CANUSB2_PRODUCT_ID)},
> + {USB_DEVICE(ESD_USB_ESDGMBH_VENDOR_ID, ESD_USB_CANUSBM_PRODUCT_ID)},
> {}
> };
> MODULE_DEVICE_TABLE(usb, esd_usb_table);
> @@ -202,8 +202,8 @@ struct esd_usb {
> int net_count;
> u32 version;
> int rxinitdone;
> - void *rxbuf[MAX_RX_URBS];
> - dma_addr_t rxbuf_dma[MAX_RX_URBS];
> + void *rxbuf[ESD_USB_MAX_RX_URBS];
> + dma_addr_t rxbuf_dma[ESD_USB_MAX_RX_URBS];
> };
>
> struct esd_usb_net_priv {
> @@ -211,7 +211,7 @@ struct esd_usb_net_priv {
>
> atomic_t active_tx_jobs;
> struct usb_anchor tx_submitted;
> - struct esd_tx_urb_context tx_contexts[MAX_TX_URBS];
> + struct esd_tx_urb_context tx_contexts[ESD_USB_MAX_TX_URBS];
>
> struct esd_usb *usb;
> struct net_device *netdev;
> @@ -226,7 +226,7 @@ static void esd_usb_rx_event(struct esd_usb_net_priv *priv,
> struct net_device_stats *stats = &priv->netdev->stats;
> struct can_frame *cf;
> struct sk_buff *skb;
> - u32 id = le32_to_cpu(msg->rx.id) & ESD_IDMASK;
> + u32 id = le32_to_cpu(msg->rx.id) & ESD_USB_IDMASK;
>
> if (id == ESD_EV_CAN_ERROR_EXT) {
> u8 state = msg->rx.ev_can_err_ext.status;
> @@ -255,15 +255,15 @@ static void esd_usb_rx_event(struct esd_usb_net_priv *priv,
>
> priv->old_state = state;
>
> - switch (state & ESD_BUSSTATE_MASK) {
> - case ESD_BUSSTATE_BUSOFF:
> + switch (state & ESD_USB_BUSSTATE_MASK) {
> + case ESD_USB_BUSSTATE_BUSOFF:
> new_state = CAN_STATE_BUS_OFF;
> can_bus_off(priv->netdev);
> break;
> - case ESD_BUSSTATE_WARN:
> + case ESD_USB_BUSSTATE_WARN:
> new_state = CAN_STATE_ERROR_WARNING;
> break;
> - case ESD_BUSSTATE_ERRPASSIVE:
> + case ESD_USB_BUSSTATE_ERRPASSIVE:
> new_state = CAN_STATE_ERROR_PASSIVE;
> break;
> default:
> @@ -285,14 +285,14 @@ static void esd_usb_rx_event(struct esd_usb_net_priv *priv,
>
> cf->can_id |= CAN_ERR_PROT | CAN_ERR_BUSERROR;
>
> - switch (ecc & SJA1000_ECC_MASK) {
> - case SJA1000_ECC_BIT:
> + switch (ecc & ESD_USB_SJA1000_ECC_MASK) {
> + case ESD_USB_SJA1000_ECC_BIT:
> cf->data[2] |= CAN_ERR_PROT_BIT;
> break;
> - case SJA1000_ECC_FORM:
> + case ESD_USB_SJA1000_ECC_FORM:
> cf->data[2] |= CAN_ERR_PROT_FORM;
> break;
> - case SJA1000_ECC_STUFF:
> + case ESD_USB_SJA1000_ECC_STUFF:
> cf->data[2] |= CAN_ERR_PROT_STUFF;
> break;
> default:
> @@ -300,11 +300,11 @@ static void esd_usb_rx_event(struct esd_usb_net_priv *priv,
> }
>
> /* Error occurred during transmission? */
> - if (!(ecc & SJA1000_ECC_DIR))
> + if (!(ecc & ESD_USB_SJA1000_ECC_DIR))
> cf->data[2] |= CAN_ERR_PROT_TX;
>
> /* Bit stream position in CAN frame as the error was detected */
> - cf->data[3] = ecc & SJA1000_ECC_SEG;
> + cf->data[3] = ecc & ESD_USB_SJA1000_ECC_SEG;
> }
>
> if (skb) {
> @@ -331,7 +331,7 @@ static void esd_usb_rx_can_msg(struct esd_usb_net_priv *priv,
>
> id = le32_to_cpu(msg->rx.id);
>
> - if (id & ESD_EVENT) {
> + if (id & ESD_USB_EVENT) {
> esd_usb_rx_event(priv, msg);
> } else {
> skb = alloc_can_skb(priv->netdev, &cf);
> @@ -340,11 +340,11 @@ static void esd_usb_rx_can_msg(struct esd_usb_net_priv *priv,
> return;
> }
>
> - cf->can_id = id & ESD_IDMASK;
> + cf->can_id = id & ESD_USB_IDMASK;
> can_frame_set_cc_len(cf, msg->rx.dlc & ~ESD_RTR,
> priv->can.ctrlmode);
>
> - if (id & ESD_EXTID)
> + if (id & ESD_USB_EXTID)
> cf->can_id |= CAN_EFF_FLAG;
>
> if (msg->rx.dlc & ESD_RTR) {
> @@ -371,7 +371,7 @@ static void esd_usb_tx_done_msg(struct esd_usb_net_priv *priv,
> if (!netif_device_present(netdev))
> return;
>
> - context = &priv->tx_contexts[msg->txdone.hnd & (MAX_TX_URBS - 1)];
> + context = &priv->tx_contexts[msg->txdone.hnd & (ESD_USB_MAX_TX_URBS - 1)];
>
> if (!msg->txdone.status) {
> stats->tx_packets++;
> @@ -383,7 +383,7 @@ static void esd_usb_tx_done_msg(struct esd_usb_net_priv *priv,
> }
>
> /* Release context */
> - context->echo_index = MAX_TX_URBS;
> + context->echo_index = ESD_USB_MAX_TX_URBS;
> atomic_dec(&priv->active_tx_jobs);
>
> netif_wake_queue(netdev);
> @@ -418,7 +418,7 @@ static void esd_usb_read_bulk_callback(struct urb *urb)
> msg = (union esd_usb_msg *)(urb->transfer_buffer + pos);
>
> switch (msg->hdr.cmd) {
> - case CMD_CAN_RX:
> + case ESD_USB_CMD_CAN_RX:
> if (msg->rx.net >= dev->net_count) {
> dev_err(dev->udev->dev.parent, "format error\n");
> break;
> @@ -427,7 +427,7 @@ static void esd_usb_read_bulk_callback(struct urb *urb)
> esd_usb_rx_can_msg(dev->nets[msg->rx.net], msg);
> break;
>
> - case CMD_CAN_TX:
> + case ESD_USB_CMD_CAN_TX:
> if (msg->txdone.net >= dev->net_count) {
> dev_err(dev->udev->dev.parent, "format error\n");
> break;
> @@ -448,7 +448,7 @@ static void esd_usb_read_bulk_callback(struct urb *urb)
>
> resubmit_urb:
> usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 1),
> - urb->transfer_buffer, RX_BUFFER_SIZE,
> + urb->transfer_buffer, ESD_USB_RX_BUFFER_SIZE,
> esd_usb_read_bulk_callback, dev);
>
> retval = usb_submit_urb(urb, GFP_ATOMIC);
> @@ -557,7 +557,7 @@ static int esd_usb_setup_rx_urbs(struct esd_usb *dev)
> if (dev->rxinitdone)
> return 0;
>
> - for (i = 0; i < MAX_RX_URBS; i++) {
> + for (i = 0; i < ESD_USB_MAX_RX_URBS; i++) {
> struct urb *urb = NULL;
> u8 *buf = NULL;
> dma_addr_t buf_dma;
> @@ -569,7 +569,7 @@ static int esd_usb_setup_rx_urbs(struct esd_usb *dev)
> break;
> }
>
> - buf = usb_alloc_coherent(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL,
> + buf = usb_alloc_coherent(dev->udev, ESD_USB_RX_BUFFER_SIZE, GFP_KERNEL,
> &buf_dma);
> if (!buf) {
> dev_warn(dev->udev->dev.parent,
> @@ -582,7 +582,7 @@ static int esd_usb_setup_rx_urbs(struct esd_usb *dev)
>
> usb_fill_bulk_urb(urb, dev->udev,
> usb_rcvbulkpipe(dev->udev, 1),
> - buf, RX_BUFFER_SIZE,
> + buf, ESD_USB_RX_BUFFER_SIZE,
> esd_usb_read_bulk_callback, dev);
> urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
> usb_anchor_urb(urb, &dev->rx_submitted);
> @@ -590,7 +590,7 @@ static int esd_usb_setup_rx_urbs(struct esd_usb *dev)
> err = usb_submit_urb(urb, GFP_KERNEL);
> if (err) {
> usb_unanchor_urb(urb);
> - usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf,
> + usb_free_coherent(dev->udev, ESD_USB_RX_BUFFER_SIZE, buf,
> urb->transfer_dma);
> goto freeurb;
> }
> @@ -612,7 +612,7 @@ static int esd_usb_setup_rx_urbs(struct esd_usb *dev)
> }
>
> /* Warn if we've couldn't transmit all the URBs */
> - if (i < MAX_RX_URBS) {
> + if (i < ESD_USB_MAX_RX_URBS) {
> dev_warn(dev->udev->dev.parent,
> "rx performance may be slow\n");
> }
> @@ -647,14 +647,14 @@ static int esd_usb_start(struct esd_usb_net_priv *priv)
> * the number of the starting bitmask (0..64) to the filter.option
> * field followed by only some bitmasks.
> */
> - msg->hdr.cmd = CMD_IDADD;
> - msg->hdr.len = 2 + ESD_MAX_ID_SEGMENT;
> + msg->hdr.cmd = ESD_USB_CMD_IDADD;
> + msg->hdr.len = 2 + ESD_USB_MAX_ID_SEGMENT;
> msg->filter.net = priv->index;
> - msg->filter.option = ESD_ID_ENABLE; /* start with segment 0 */
> - for (i = 0; i < ESD_MAX_ID_SEGMENT; i++)
> + 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);
> /* enable 29bit extended IDs */
> - msg->filter.mask[ESD_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001);
> + msg->filter.mask[ESD_USB_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001);
>
> err = esd_usb_send_msg(dev, msg);
> if (err)
> @@ -683,8 +683,8 @@ static void unlink_all_urbs(struct esd_usb *dev)
>
> usb_kill_anchored_urbs(&dev->rx_submitted);
>
> - for (i = 0; i < MAX_RX_URBS; ++i)
> - usb_free_coherent(dev->udev, RX_BUFFER_SIZE,
> + for (i = 0; i < ESD_USB_MAX_RX_URBS; ++i)
> + usb_free_coherent(dev->udev, ESD_USB_RX_BUFFER_SIZE,
> dev->rxbuf[i], dev->rxbuf_dma[i]);
>
> for (i = 0; i < dev->net_count; i++) {
> @@ -693,8 +693,8 @@ static void unlink_all_urbs(struct esd_usb *dev)
> usb_kill_anchored_urbs(&priv->tx_submitted);
> atomic_set(&priv->active_tx_jobs, 0);
>
> - for (j = 0; j < MAX_TX_URBS; j++)
> - priv->tx_contexts[j].echo_index = MAX_TX_URBS;
> + for (j = 0; j < ESD_USB_MAX_TX_URBS; j++)
> + priv->tx_contexts[j].echo_index = ESD_USB_MAX_TX_URBS;
> }
> }
> }
> @@ -760,7 +760,7 @@ static netdev_tx_t esd_usb_start_xmit(struct sk_buff *skb,
> msg = (union esd_usb_msg *)buf;
>
> msg->hdr.len = 3; /* minimal length */
> - msg->hdr.cmd = CMD_CAN_TX;
> + msg->hdr.cmd = ESD_USB_CMD_CAN_TX;
> msg->tx.net = priv->index;
> msg->tx.dlc = can_get_cc_dlc(cf, priv->can.ctrlmode);
> msg->tx.id = cpu_to_le32(cf->can_id & CAN_ERR_MASK);
> @@ -769,15 +769,15 @@ static netdev_tx_t esd_usb_start_xmit(struct sk_buff *skb,
> msg->tx.dlc |= ESD_RTR;
>
> if (cf->can_id & CAN_EFF_FLAG)
> - msg->tx.id |= cpu_to_le32(ESD_EXTID);
> + msg->tx.id |= cpu_to_le32(ESD_USB_EXTID);
>
> for (i = 0; i < cf->len; i++)
> msg->tx.data[i] = cf->data[i];
>
> msg->hdr.len += (cf->len + 3) >> 2;
>
> - for (i = 0; i < MAX_TX_URBS; i++) {
> - if (priv->tx_contexts[i].echo_index == MAX_TX_URBS) {
> + for (i = 0; i < ESD_USB_MAX_TX_URBS; i++) {
> + if (priv->tx_contexts[i].echo_index == ESD_USB_MAX_TX_URBS) {
> context = &priv->tx_contexts[i];
> break;
> }
> @@ -809,7 +809,7 @@ static netdev_tx_t esd_usb_start_xmit(struct sk_buff *skb,
> atomic_inc(&priv->active_tx_jobs);
>
> /* Slow down tx path */
> - if (atomic_read(&priv->active_tx_jobs) >= MAX_TX_URBS)
> + if (atomic_read(&priv->active_tx_jobs) >= ESD_USB_MAX_TX_URBS)
> netif_stop_queue(netdev);
>
> err = usb_submit_urb(urb, GFP_ATOMIC);
> @@ -859,18 +859,18 @@ static int esd_usb_close(struct net_device *netdev)
> return -ENOMEM;
>
> /* Disable all IDs (see esd_usb_start()) */
> - msg->hdr.cmd = CMD_IDADD;
> - msg->hdr.len = 2 + ESD_MAX_ID_SEGMENT;
> + msg->hdr.cmd = ESD_USB_CMD_IDADD;
> + msg->hdr.len = 2 + ESD_USB_MAX_ID_SEGMENT;
> msg->filter.net = priv->index;
> - msg->filter.option = ESD_ID_ENABLE; /* start with segment 0 */
> - for (i = 0; i <= ESD_MAX_ID_SEGMENT; i++)
> + 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] = 0;
> if (esd_usb_send_msg(priv->usb, msg) < 0)
> netdev_err(netdev, "sending idadd message failed\n");
>
> /* set CAN controller to reset mode */
> msg->hdr.len = 2;
> - msg->hdr.cmd = CMD_SETBAUD;
> + msg->hdr.cmd = ESD_USB_CMD_SETBAUD;
> msg->setbaud.net = priv->index;
> msg->setbaud.rsvd = 0;
> msg->setbaud.baud = cpu_to_le32(ESD_USB_NO_BAUDRATE);
> @@ -928,27 +928,27 @@ static int esd_usb2_set_bittiming(struct net_device *netdev)
> canbtr |= (bt->brp - 1) & (btc->brp_max - 1);
>
> if (le16_to_cpu(priv->usb->udev->descriptor.idProduct) ==
> - USB_CANUSBM_PRODUCT_ID)
> - sjw_shift = ESD_USBM_SJW_SHIFT;
> + ESD_USB_CANUSBM_PRODUCT_ID)
> + sjw_shift = ESD_USB_M_SJW_SHIFT;
> else
> - sjw_shift = ESD_USB2_SJW_SHIFT;
> + sjw_shift = ESD_USB_2_SJW_SHIFT;
>
> canbtr |= ((bt->sjw - 1) & (btc->sjw_max - 1))
> << sjw_shift;
> canbtr |= ((bt->prop_seg + bt->phase_seg1 - 1)
> & (btc->tseg1_max - 1))
> - << ESD_USB2_TSEG1_SHIFT;
> + << ESD_USB_2_TSEG1_SHIFT;
> canbtr |= ((bt->phase_seg2 - 1) & (btc->tseg2_max - 1))
> - << ESD_USB2_TSEG2_SHIFT;
> + << ESD_USB_2_TSEG2_SHIFT;
> if (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
> - canbtr |= ESD_USB2_3_SAMPLES;
> + canbtr |= ESD_USB_3_SAMPLES;
>
> msg = kmalloc(sizeof(*msg), GFP_KERNEL);
> if (!msg)
> return -ENOMEM;
>
> msg->hdr.len = 2;
> - msg->hdr.cmd = CMD_SETBAUD;
> + msg->hdr.cmd = ESD_USB_CMD_SETBAUD;
> msg->setbaud.net = priv->index;
> msg->setbaud.rsvd = 0;
> msg->setbaud.baud = cpu_to_le32(canbtr);
> @@ -994,7 +994,7 @@ static int esd_usb_probe_one_net(struct usb_interface *intf, int index)
> int err = 0;
> int i;
>
> - netdev = alloc_candev(sizeof(*priv), MAX_TX_URBS);
> + netdev = alloc_candev(sizeof(*priv), ESD_USB_MAX_TX_URBS);
> if (!netdev) {
> dev_err(&intf->dev, "couldn't alloc candev\n");
> err = -ENOMEM;
> @@ -1006,8 +1006,8 @@ static int esd_usb_probe_one_net(struct usb_interface *intf, int index)
> init_usb_anchor(&priv->tx_submitted);
> atomic_set(&priv->active_tx_jobs, 0);
>
> - for (i = 0; i < MAX_TX_URBS; i++)
> - priv->tx_contexts[i].echo_index = MAX_TX_URBS;
> + for (i = 0; i < ESD_USB_MAX_TX_URBS; i++)
> + priv->tx_contexts[i].echo_index = ESD_USB_MAX_TX_URBS;
>
> priv->usb = dev;
> priv->netdev = netdev;
> @@ -1019,10 +1019,10 @@ static int esd_usb_probe_one_net(struct usb_interface *intf, int index)
> CAN_CTRLMODE_BERR_REPORTING;
>
> if (le16_to_cpu(dev->udev->descriptor.idProduct) ==
> - USB_CANUSBM_PRODUCT_ID)
> - priv->can.clock.freq = ESD_USBM_CAN_CLOCK;
> + ESD_USB_CANUSBM_PRODUCT_ID)
> + priv->can.clock.freq = ESD_USB_M_CAN_CLOCK;
> else {
> - priv->can.clock.freq = ESD_USB2_CAN_CLOCK;
> + priv->can.clock.freq = ESD_USB_2_CAN_CLOCK;
> priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
> }
>
> @@ -1085,7 +1085,7 @@ static int esd_usb_probe(struct usb_interface *intf,
> }
>
> /* query number of CAN interfaces (nets) */
> - msg->hdr.cmd = CMD_VERSION;
> + msg->hdr.cmd = ESD_USB_CMD_VERSION;
> msg->hdr.len = 2;
> msg->version.rsvd = 0;
> msg->version.flags = 0;
> --
> 2.25.1
>
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