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Commit 4d54977f authored by Frank Jungclaus's avatar Frank Jungclaus Committed by Marc Kleine-Budde
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can/esd_usb: Rename all terms USB2 to USB 

Each occurrence of the term "usb2" within variables, function names,
comments, etc. is changed to "usb" where it is shared for all
esd CAN/USB devices.

Link: https://lore.kernel.org/all/20220624190517.2299701-4-frank.jungclaus@esd.euSigned-off-by: default avatarFrank Jungclaus <frank.jungclaus@esd.eu>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent f4a45ef3
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Showing with 109 additions and 104 deletions
drivers/net/can/usb/esd_usb.c
View file @ 4d54977f
......@@ -18,16 +18,19 @@ MODULE_AUTHOR("Matthias Fuchs <matthias.fuchs@esd.eu>");
MODULE_DESCRIPTION("CAN driver for esd CAN-USB/2 and CAN-USB/Micro interfaces");
MODULE_LICENSE("GPL v2");
/* Define these values to match your devices */
/* USB vendor and product ID */
#define USB_ESDGMBH_VENDOR_ID 0x0ab4
#define USB_CANUSB2_PRODUCT_ID 0x0010
#define USB_CANUSBM_PRODUCT_ID 0x0011
/* CAN controller clock frequencies */
#define ESD_USB2_CAN_CLOCK 60000000
#define ESD_USBM_CAN_CLOCK 36000000
#define ESD_USB2_MAX_NETS 2
/* USB2 commands */
/* 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 */
......@@ -43,13 +46,15 @@ MODULE_LICENSE("GPL v2");
#define ESD_EVENT 0x40000000
#define ESD_IDMASK 0x1fffffff
/* esd CAN event ids used by this driver */
#define ESD_EV_CAN_ERROR_EXT 2
/* esd CAN event ids */
#define ESD_EV_CAN_ERROR_EXT 2 /* CAN controller specific diagnostic data */
/* baudrate message flags */
#define ESD_USB2_UBR 0x80000000
#define ESD_USB2_LOM 0x40000000
#define ESD_USB2_NO_BAUDRATE 0x7fffffff
#define ESD_USB_UBR 0x80000000
#define ESD_USB_LOM 0x40000000
#define ESD_USB_NO_BAUDRATE 0x7fffffff
/* bit timing CAN-USB/2 */
#define ESD_USB2_TSEG1_MIN 1
#define ESD_USB2_TSEG1_MAX 16
#define ESD_USB2_TSEG1_SHIFT 16
......@@ -68,7 +73,7 @@ MODULE_LICENSE("GPL v2");
#define ESD_ID_ENABLE 0x80
#define ESD_MAX_ID_SEGMENT 64
/* SJA1000 ECC register (emulated by usb2 firmware) */
/* SJA1000 ECC register (emulated by usb firmware) */
#define SJA1000_ECC_SEG 0x1F
#define SJA1000_ECC_DIR 0x20
#define SJA1000_ECC_ERR 0x06
......@@ -158,7 +163,7 @@ struct set_baudrate_msg {
};
/* Main message type used between library and application */
struct __attribute__ ((packed)) esd_usb2_msg {
struct __attribute__ ((packed)) esd_usb_msg {
union {
struct header_msg hdr;
struct version_msg version;
......@@ -171,23 +176,23 @@ struct __attribute__ ((packed)) esd_usb2_msg {
} msg;
};
static struct usb_device_id esd_usb2_table[] = {
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)},
{}
};
MODULE_DEVICE_TABLE(usb, esd_usb2_table);
MODULE_DEVICE_TABLE(usb, esd_usb_table);
struct esd_usb2_net_priv;
struct esd_usb_net_priv;
struct esd_tx_urb_context {
struct esd_usb2_net_priv *priv;
struct esd_usb_net_priv *priv;
u32 echo_index;
};
struct esd_usb2 {
struct esd_usb {
struct usb_device *udev;
struct esd_usb2_net_priv *nets[ESD_USB2_MAX_NETS];
struct esd_usb_net_priv *nets[ESD_USB_MAX_NETS];
struct usb_anchor rx_submitted;
......@@ -198,22 +203,22 @@ struct esd_usb2 {
dma_addr_t rxbuf_dma[MAX_RX_URBS];
};
struct esd_usb2_net_priv {
struct esd_usb_net_priv {
struct can_priv can; /* must be the first member */
atomic_t active_tx_jobs;
struct usb_anchor tx_submitted;
struct esd_tx_urb_context tx_contexts[MAX_TX_URBS];
struct esd_usb2 *usb2;
struct esd_usb *usb;
struct net_device *netdev;
int index;
u8 old_state;
struct can_berr_counter bec;
};
static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv,
struct esd_usb2_msg *msg)
static void esd_usb_rx_event(struct esd_usb_net_priv *priv,
struct esd_usb_msg *msg)
{
struct net_device_stats *stats = &priv->netdev->stats;
struct can_frame *cf;
......@@ -296,8 +301,8 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv,
}
}
static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv,
struct esd_usb2_msg *msg)
static void esd_usb_rx_can_msg(struct esd_usb_net_priv *priv,
struct esd_usb_msg *msg)
{
struct net_device_stats *stats = &priv->netdev->stats;
struct can_frame *cf;
......@@ -311,7 +316,7 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv,
id = le32_to_cpu(msg->msg.rx.id);
if (id & ESD_EVENT) {
esd_usb2_rx_event(priv, msg);
esd_usb_rx_event(priv, msg);
} else {
skb = alloc_can_skb(priv->netdev, &cf);
if (skb == NULL) {
......@@ -342,8 +347,8 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv,
return;
}
static void esd_usb2_tx_done_msg(struct esd_usb2_net_priv *priv,
struct esd_usb2_msg *msg)
static void esd_usb_tx_done_msg(struct esd_usb_net_priv *priv,
struct esd_usb_msg *msg)
{
struct net_device_stats *stats = &priv->netdev->stats;
struct net_device *netdev = priv->netdev;
......@@ -370,9 +375,9 @@ static void esd_usb2_tx_done_msg(struct esd_usb2_net_priv *priv,
netif_wake_queue(netdev);
}
static void esd_usb2_read_bulk_callback(struct urb *urb)
static void esd_usb_read_bulk_callback(struct urb *urb)
{
struct esd_usb2 *dev = urb->context;
struct esd_usb *dev = urb->context;
int retval;
int pos = 0;
int i;
......@@ -394,9 +399,9 @@ static void esd_usb2_read_bulk_callback(struct urb *urb)
}
while (pos < urb->actual_length) {
struct esd_usb2_msg *msg;
struct esd_usb_msg *msg;
msg = (struct esd_usb2_msg *)(urb->transfer_buffer + pos);
msg = (struct esd_usb_msg *)(urb->transfer_buffer + pos);
switch (msg->msg.hdr.cmd) {
case CMD_CAN_RX:
......@@ -405,7 +410,7 @@ static void esd_usb2_read_bulk_callback(struct urb *urb)
break;
}
esd_usb2_rx_can_msg(dev->nets[msg->msg.rx.net], msg);
esd_usb_rx_can_msg(dev->nets[msg->msg.rx.net], msg);
break;
case CMD_CAN_TX:
......@@ -414,8 +419,8 @@ static void esd_usb2_read_bulk_callback(struct urb *urb)
break;
}
esd_usb2_tx_done_msg(dev->nets[msg->msg.txdone.net],
msg);
esd_usb_tx_done_msg(dev->nets[msg->msg.txdone.net],
msg);
break;
}
......@@ -430,7 +435,7 @@ static void esd_usb2_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,
esd_usb2_read_bulk_callback, dev);
esd_usb_read_bulk_callback, dev);
retval = usb_submit_urb(urb, GFP_ATOMIC);
if (retval == -ENODEV) {
......@@ -449,12 +454,12 @@ static void esd_usb2_read_bulk_callback(struct urb *urb)
/*
* callback for bulk IN urb
*/
static void esd_usb2_write_bulk_callback(struct urb *urb)
static void esd_usb_write_bulk_callback(struct urb *urb)
{
struct esd_tx_urb_context *context = urb->context;
struct esd_usb2_net_priv *priv;
struct esd_usb_net_priv *priv;
struct net_device *netdev;
size_t size = sizeof(struct esd_usb2_msg);
size_t size = sizeof(struct esd_usb_msg);
WARN_ON(!context);
......@@ -478,7 +483,7 @@ static ssize_t firmware_show(struct device *d,
struct device_attribute *attr, char *buf)
{
struct usb_interface *intf = to_usb_interface(d);
struct esd_usb2 *dev = usb_get_intfdata(intf);
struct esd_usb *dev = usb_get_intfdata(intf);
return sprintf(buf, "%d.%d.%d\n",
(dev->version >> 12) & 0xf,
......@@ -491,7 +496,7 @@ static ssize_t hardware_show(struct device *d,
struct device_attribute *attr, char *buf)
{
struct usb_interface *intf = to_usb_interface(d);
struct esd_usb2 *dev = usb_get_intfdata(intf);
struct esd_usb *dev = usb_get_intfdata(intf);
return sprintf(buf, "%d.%d.%d\n",
(dev->version >> 28) & 0xf,
......@@ -504,13 +509,13 @@ static ssize_t nets_show(struct device *d,
struct device_attribute *attr, char *buf)
{
struct usb_interface *intf = to_usb_interface(d);
struct esd_usb2 *dev = usb_get_intfdata(intf);
struct esd_usb *dev = usb_get_intfdata(intf);
return sprintf(buf, "%d", dev->net_count);
}
static DEVICE_ATTR_RO(nets);
static int esd_usb2_send_msg(struct esd_usb2 *dev, struct esd_usb2_msg *msg)
static int esd_usb_send_msg(struct esd_usb *dev, struct esd_usb_msg *msg)
{
int actual_length;
......@@ -522,8 +527,8 @@ static int esd_usb2_send_msg(struct esd_usb2 *dev, struct esd_usb2_msg *msg)
1000);
}
static int esd_usb2_wait_msg(struct esd_usb2 *dev,
struct esd_usb2_msg *msg)
static int esd_usb_wait_msg(struct esd_usb *dev,
struct esd_usb_msg *msg)
{
int actual_length;
......@@ -535,7 +540,7 @@ static int esd_usb2_wait_msg(struct esd_usb2 *dev,
1000);
}
static int esd_usb2_setup_rx_urbs(struct esd_usb2 *dev)
static int esd_usb_setup_rx_urbs(struct esd_usb *dev)
{
int i, err = 0;
......@@ -568,7 +573,7 @@ static int esd_usb2_setup_rx_urbs(struct esd_usb2 *dev)
usb_fill_bulk_urb(urb, dev->udev,
usb_rcvbulkpipe(dev->udev, 1),
buf, RX_BUFFER_SIZE,
esd_usb2_read_bulk_callback, dev);
esd_usb_read_bulk_callback, dev);
urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
usb_anchor_urb(urb, &dev->rx_submitted);
......@@ -609,11 +614,11 @@ static int esd_usb2_setup_rx_urbs(struct esd_usb2 *dev)
/*
* Start interface
*/
static int esd_usb2_start(struct esd_usb2_net_priv *priv)
static int esd_usb_start(struct esd_usb_net_priv *priv)
{
struct esd_usb2 *dev = priv->usb2;
struct esd_usb *dev = priv->usb;
struct net_device *netdev = priv->netdev;
struct esd_usb2_msg *msg;
struct esd_usb_msg *msg;
int err, i;
msg = kmalloc(sizeof(*msg), GFP_KERNEL);
......@@ -644,11 +649,11 @@ static int esd_usb2_start(struct esd_usb2_net_priv *priv)
/* enable 29bit extended IDs */
msg->msg.filter.mask[ESD_MAX_ID_SEGMENT] = cpu_to_le32(0x00000001);
err = esd_usb2_send_msg(dev, msg);
err = esd_usb_send_msg(dev, msg);
if (err)
goto out;
err = esd_usb2_setup_rx_urbs(dev);
err = esd_usb_setup_rx_urbs(dev);
if (err)
goto out;
......@@ -664,9 +669,9 @@ static int esd_usb2_start(struct esd_usb2_net_priv *priv)
return err;
}
static void unlink_all_urbs(struct esd_usb2 *dev)
static void unlink_all_urbs(struct esd_usb *dev)
{
struct esd_usb2_net_priv *priv;
struct esd_usb_net_priv *priv;
int i, j;
usb_kill_anchored_urbs(&dev->rx_submitted);
......@@ -687,9 +692,9 @@ static void unlink_all_urbs(struct esd_usb2 *dev)
}
}
static int esd_usb2_open(struct net_device *netdev)
static int esd_usb_open(struct net_device *netdev)
{
struct esd_usb2_net_priv *priv = netdev_priv(netdev);
struct esd_usb_net_priv *priv = netdev_priv(netdev);
int err;
/* common open */
......@@ -698,7 +703,7 @@ static int esd_usb2_open(struct net_device *netdev)
return err;
/* finally start device */
err = esd_usb2_start(priv);
err = esd_usb_start(priv);
if (err) {
netdev_warn(netdev, "couldn't start device: %d\n", err);
close_candev(netdev);
......@@ -710,20 +715,20 @@ static int esd_usb2_open(struct net_device *netdev)
return 0;
}
static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb,
static netdev_tx_t esd_usb_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
struct esd_usb2_net_priv *priv = netdev_priv(netdev);
struct esd_usb2 *dev = priv->usb2;
struct esd_usb_net_priv *priv = netdev_priv(netdev);
struct esd_usb *dev = priv->usb;
struct esd_tx_urb_context *context = NULL;
struct net_device_stats *stats = &netdev->stats;
struct can_frame *cf = (struct can_frame *)skb->data;
struct esd_usb2_msg *msg;
struct esd_usb_msg *msg;
struct urb *urb;
u8 *buf;
int i, err;
int ret = NETDEV_TX_OK;
size_t size = sizeof(struct esd_usb2_msg);
size_t size = sizeof(struct esd_usb_msg);
if (can_dropped_invalid_skb(netdev, skb))
return NETDEV_TX_OK;
......@@ -745,7 +750,7 @@ static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb,
goto nobufmem;
}
msg = (struct esd_usb2_msg *)buf;
msg = (struct esd_usb_msg *)buf;
msg->msg.hdr.len = 3; /* minimal length */
msg->msg.hdr.cmd = CMD_CAN_TX;
......@@ -788,7 +793,7 @@ static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb,
usb_fill_bulk_urb(urb, dev->udev, usb_sndbulkpipe(dev->udev, 2), buf,
msg->msg.hdr.len << 2,
esd_usb2_write_bulk_callback, context);
esd_usb_write_bulk_callback, context);
urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
......@@ -839,24 +844,24 @@ static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb,
return ret;
}
static int esd_usb2_close(struct net_device *netdev)
static int esd_usb_close(struct net_device *netdev)
{
struct esd_usb2_net_priv *priv = netdev_priv(netdev);
struct esd_usb2_msg *msg;
struct esd_usb_net_priv *priv = netdev_priv(netdev);
struct esd_usb_msg *msg;
int i;
msg = kmalloc(sizeof(*msg), GFP_KERNEL);
if (!msg)
return -ENOMEM;
/* Disable all IDs (see esd_usb2_start()) */
/* Disable all IDs (see esd_usb_start()) */
msg->msg.hdr.cmd = CMD_IDADD;
msg->msg.hdr.len = 2 + ESD_MAX_ID_SEGMENT;
msg->msg.filter.net = priv->index;
msg->msg.filter.option = ESD_ID_ENABLE; /* start with segment 0 */
for (i = 0; i <= ESD_MAX_ID_SEGMENT; i++)
msg->msg.filter.mask[i] = 0;
if (esd_usb2_send_msg(priv->usb2, msg) < 0)
if (esd_usb_send_msg(priv->usb, msg) < 0)
netdev_err(netdev, "sending idadd message failed\n");
/* set CAN controller to reset mode */
......@@ -864,8 +869,8 @@ static int esd_usb2_close(struct net_device *netdev)
msg->msg.hdr.cmd = CMD_SETBAUD;
msg->msg.setbaud.net = priv->index;
msg->msg.setbaud.rsvd = 0;
msg->msg.setbaud.baud = cpu_to_le32(ESD_USB2_NO_BAUDRATE);
if (esd_usb2_send_msg(priv->usb2, msg) < 0)
msg->msg.setbaud.baud = cpu_to_le32(ESD_USB_NO_BAUDRATE);
if (esd_usb_send_msg(priv->usb, msg) < 0)
netdev_err(netdev, "sending setbaud message failed\n");
priv->can.state = CAN_STATE_STOPPED;
......@@ -879,10 +884,10 @@ static int esd_usb2_close(struct net_device *netdev)
return 0;
}
static const struct net_device_ops esd_usb2_netdev_ops = {
.ndo_open = esd_usb2_open,
.ndo_stop = esd_usb2_close,
.ndo_start_xmit = esd_usb2_start_xmit,
static const struct net_device_ops esd_usb_netdev_ops = {
.ndo_open = esd_usb_open,
.ndo_stop = esd_usb_close,
.ndo_start_xmit = esd_usb_start_xmit,
.ndo_change_mtu = can_change_mtu,
};
......@@ -900,20 +905,20 @@ static const struct can_bittiming_const esd_usb2_bittiming_const = {
static int esd_usb2_set_bittiming(struct net_device *netdev)
{
struct esd_usb2_net_priv *priv = netdev_priv(netdev);
struct esd_usb_net_priv *priv = netdev_priv(netdev);
struct can_bittiming *bt = &priv->can.bittiming;
struct esd_usb2_msg *msg;
struct esd_usb_msg *msg;
int err;
u32 canbtr;
int sjw_shift;
canbtr = ESD_USB2_UBR;
canbtr = ESD_USB_UBR;
if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY)
canbtr |= ESD_USB2_LOM;
canbtr |= ESD_USB_LOM;
canbtr |= (bt->brp - 1) & (ESD_USB2_BRP_MAX - 1);
if (le16_to_cpu(priv->usb2->udev->descriptor.idProduct) ==
if (le16_to_cpu(priv->usb->udev->descriptor.idProduct) ==
USB_CANUSBM_PRODUCT_ID)
sjw_shift = ESD_USBM_SJW_SHIFT;
else
......@@ -941,16 +946,16 @@ static int esd_usb2_set_bittiming(struct net_device *netdev)
netdev_info(netdev, "setting BTR=%#x\n", canbtr);
err = esd_usb2_send_msg(priv->usb2, msg);
err = esd_usb_send_msg(priv->usb, msg);
kfree(msg);
return err;
}
static int esd_usb2_get_berr_counter(const struct net_device *netdev,
struct can_berr_counter *bec)
static int esd_usb_get_berr_counter(const struct net_device *netdev,
struct can_berr_counter *bec)
{
struct esd_usb2_net_priv *priv = netdev_priv(netdev);
struct esd_usb_net_priv *priv = netdev_priv(netdev);
bec->txerr = priv->bec.txerr;
bec->rxerr = priv->bec.rxerr;
......@@ -958,7 +963,7 @@ static int esd_usb2_get_berr_counter(const struct net_device *netdev,
return 0;
}
static int esd_usb2_set_mode(struct net_device *netdev, enum can_mode mode)
static int esd_usb_set_mode(struct net_device *netdev, enum can_mode mode)
{
switch (mode) {
case CAN_MODE_START:
......@@ -972,11 +977,11 @@ static int esd_usb2_set_mode(struct net_device *netdev, enum can_mode mode)
return 0;
}
static int esd_usb2_probe_one_net(struct usb_interface *intf, int index)
static int esd_usb_probe_one_net(struct usb_interface *intf, int index)
{
struct esd_usb2 *dev = usb_get_intfdata(intf);
struct esd_usb *dev = usb_get_intfdata(intf);
struct net_device *netdev;
struct esd_usb2_net_priv *priv;
struct esd_usb_net_priv *priv;
int err = 0;
int i;
......@@ -995,7 +1000,7 @@ static int esd_usb2_probe_one_net(struct usb_interface *intf, int index)
for (i = 0; i < MAX_TX_URBS; i++)
priv->tx_contexts[i].echo_index = MAX_TX_URBS;
priv->usb2 = dev;
priv->usb = dev;
priv->netdev = netdev;
priv->index = index;
......@@ -1013,12 +1018,12 @@ static int esd_usb2_probe_one_net(struct usb_interface *intf, int index)
priv->can.bittiming_const = &esd_usb2_bittiming_const;
priv->can.do_set_bittiming = esd_usb2_set_bittiming;
priv->can.do_set_mode = esd_usb2_set_mode;
priv->can.do_get_berr_counter = esd_usb2_get_berr_counter;
priv->can.do_set_mode = esd_usb_set_mode;
priv->can.do_get_berr_counter = esd_usb_get_berr_counter;
netdev->flags |= IFF_ECHO; /* we support local echo */
netdev->netdev_ops = &esd_usb2_netdev_ops;
netdev->netdev_ops = &esd_usb_netdev_ops;
SET_NETDEV_DEV(netdev, &intf->dev);
netdev->dev_id = index;
......@@ -1039,16 +1044,16 @@ static int esd_usb2_probe_one_net(struct usb_interface *intf, int index)
}
/*
* probe function for new USB2 devices
* probe function for new USB devices
*
* check version information and number of available
* CAN interfaces
*/
static int esd_usb2_probe(struct usb_interface *intf,
static int esd_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct esd_usb2 *dev;
struct esd_usb2_msg *msg;
struct esd_usb *dev;
struct esd_usb_msg *msg;
int i, err;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
......@@ -1076,13 +1081,13 @@ static int esd_usb2_probe(struct usb_interface *intf,
msg->msg.version.flags = 0;
msg->msg.version.drv_version = 0;
err = esd_usb2_send_msg(dev, msg);
err = esd_usb_send_msg(dev, msg);
if (err < 0) {
dev_err(&intf->dev, "sending version message failed\n");
goto free_msg;
}
err = esd_usb2_wait_msg(dev, msg);
err = esd_usb_wait_msg(dev, msg);
if (err < 0) {
dev_err(&intf->dev, "no version message answer\n");
goto free_msg;
......@@ -1105,7 +1110,7 @@ static int esd_usb2_probe(struct usb_interface *intf,
/* do per device probing */
for (i = 0; i < dev->net_count; i++)
esd_usb2_probe_one_net(intf, i);
esd_usb_probe_one_net(intf, i);
free_msg:
kfree(msg);
......@@ -1118,9 +1123,9 @@ static int esd_usb2_probe(struct usb_interface *intf,
/*
* called by the usb core when the device is removed from the system
*/
static void esd_usb2_disconnect(struct usb_interface *intf)
static void esd_usb_disconnect(struct usb_interface *intf)
{
struct esd_usb2 *dev = usb_get_intfdata(intf);
struct esd_usb *dev = usb_get_intfdata(intf);
struct net_device *netdev;
int i;
......@@ -1144,11 +1149,11 @@ static void esd_usb2_disconnect(struct usb_interface *intf)
}
/* usb specific object needed to register this driver with the usb subsystem */
static struct usb_driver esd_usb2_driver = {
.name = "esd_usb2",
.probe = esd_usb2_probe,
.disconnect = esd_usb2_disconnect,
.id_table = esd_usb2_table,
static struct usb_driver esd_usb_driver = {
.name = "esd_usb",
.probe = esd_usb_probe,
.disconnect = esd_usb_disconnect,
.id_table = esd_usb_table,
};
module_usb_driver(esd_usb2_driver);
module_usb_driver(esd_usb_driver);
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