X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/8bb61362e6640738a252b1d7cdf325617fd80926..f9522530e37184c3dcfb818a35f55ec3f177406f:/embedded/app/usbcan/ul_usb1.c diff --git a/embedded/app/usbcan/ul_usb1.c b/embedded/app/usbcan/ul_usb1.c index b777b14..84e1632 100644 --- a/embedded/app/usbcan/ul_usb1.c +++ b/embedded/app/usbcan/ul_usb1.c @@ -24,7 +24,7 @@ #include "./can/main.h" #include "./can/devcommon.h" #include "./can/setup.h" -#include "./can/finish.h" +// #include "./can/finish.h" #include "./can/i82527.h" //#include "../include/sja1000.h" #include "./can/sja1000p.h" @@ -39,7 +39,7 @@ #define CAN_OP_WRITE 0x00 -/* our private defines. if this grows any larger, use your own .h file */ + /* our private defines. if this grows any larger, use your own .h file */ #define MAX_TRANSFER (PAGE_SIZE - 512) /* MAX_TRANSFER is chosen so that the VM is not stressed by allocations > PAGE_SIZE and the number of packets in a page @@ -58,12 +58,12 @@ // }; // MODULE_DEVICE_TABLE(usb, ul_usb1_table); -extern struct file_operations can_fops; +// extern struct file_operations can_fops; -struct ul_usb1_combo { - struct usb_ul_usb1 * dev; - struct urb * urb; -}; +// struct ul_usb1_combo { +// struct usb_ul_usb1 * dev; +// struct urb * urb; +// }; /* * IO_RANGE is the io-memory range that gets reserved, please adjust according @@ -73,28 +73,28 @@ struct ul_usb1_combo { #define IO_RANGE 0x100 /* Structure to hold all of our device specific stuff */ -struct usb_ul_usb1 { - struct usb_device *udev; /* the usb device for this device */ - struct usb_interface *interface; /* the interface for this device */ - struct semaphore limit_sem; /* limiting the number of writes in progress */ - struct usb_anchor submitted; /* in case we need to retract our submissions */ - unsigned char *bulk_in_buffer; /* the buffer to receive data */ - size_t bulk_in_size; /* the size of the receive buffer */ - unsigned char *int_in_buffer; /* the buffer to receive data */ - size_t int_in_size; /* the size of the receive buffer */ - __u8 bulk_in_endpointAddr; /* the address of the bulk in endpoint */ - __u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */ - __u8 int_in_endpointAddr; /* the address of the interrupt in endpoint */ - int int_in_interval; - int errors; /* the last request tanked */ - int open_count; /* count the number of openers */ - spinlock_t err_lock; /* lock for errors */ - struct mutex io_mutex; /* synchronize I/O with disconnect */ - struct urb *irq; - struct candevice_t *candev; -}; - -static struct usb_driver ul_usb1_driver; +// struct usb_ul_usb1 { +// struct usb_device *udev; /* the usb device for this device */ +// struct usb_interface *interface; /* the interface for this device */ +// struct semaphore limit_sem; /* limiting the number of writes in progress */ +// struct usb_anchor submitted; /* in case we need to retract our submissions */ +// unsigned char *bulk_in_buffer; /* the buffer to receive data */ +// size_t bulk_in_size; /* the size of the receive buffer */ +// unsigned char *int_in_buffer; /* the buffer to receive data */ +// size_t int_in_size; /* the size of the receive buffer */ +// __u8 bulk_in_endpointAddr; /* the address of the bulk in endpoint */ +// __u8 bulk_out_endpointAddr; /* the address of the bulk out endpoint */ +// __u8 int_in_endpointAddr; /* the address of the interrupt in endpoint */ +// int int_in_interval; +// int errors; /* the last request tanked */ +// int open_count; /* count the number of openers */ +// spinlock_t err_lock; /* lock for errors */ +// struct mutex io_mutex; /* synchronize I/O with disconnect */ +// struct urb *irq; +// struct candevice_t *candev; +// }; +// +// static struct usb_driver ul_usb1_driver; /** ul_usb1_request_io * ul_usb1_request_io: - reserve io or memory range for can board @@ -112,7 +112,7 @@ static struct usb_driver ul_usb1_driver; */ int ul_usb1_request_io(struct candevice_t *candev) { - ((struct usb_ul_usb1*)candev->sysdevptr.anydev)->candev=candev; +// ((struct usb_ul_usb1*)candev->sysdevptr.anydev)->candev=candev; return 0; } @@ -130,7 +130,7 @@ int ul_usb1_request_io(struct candevice_t *candev) */ int ul_usb1_release_io(struct candevice_t *candev) { - struct usb_ul_usb1 *dev; +/* struct usb_ul_usb1 *dev; if (candev->sysdevptr.anydev){ dev=(struct usb_ul_usb1*) candev->sysdevptr.anydev; usb_put_dev(dev->udev); @@ -143,7 +143,7 @@ int ul_usb1_release_io(struct candevice_t *candev) //cleanup_usbdev(dev->candev); } kfree(dev); - } + }*/ return 0; } @@ -186,7 +186,7 @@ int ul_usb1_init_hw_data(struct candevice_t *candev) candev->nr_82527_chips=NR_82527; candev->nr_sja1000_chips=NR_SJA1000; candev->nr_all_chips=NR_82527+NR_SJA1000; - //candev->flags |= CANDEV_PROGRAMMABLE_IRQ; + candev->flags |= CANDEV_PROGRAMMABLE_IRQ*0; return 0; } @@ -240,6 +240,9 @@ int ul_usb1_init_chip_data(struct candevice_t *candev, int chipnr) candev->chip[chipnr]->sja_ocr_reg = sjaOCR_MODE_NORMAL | sjaOCR_TX0_LH; + candev->chip[chipnr]->chip_data=(void *)malloc(sizeof(struct ul_usb1_chip_data)); + if (candev->chip[chipnr]->chip_data==NULL) + return -ENOMEM; return 0; } @@ -295,31 +298,57 @@ int ul_usb1_program_irq(struct candevice_t *candev) * Return Value: The function does not return a value * File: src/ul_usb1.c */ -void ul_usb1_write_register(struct candevice_t *candev,unsigned data, unsigned long address) +void ul_usb1_write_register(unsigned data, unsigned long address) { - struct usb_ul_usb1 *dev; - int retval; - int bytes_transferred; - unsigned char buffer[2]; - buffer[0]=((unsigned char)address & ~CAN_OP_MASK)+CAN_OP_WRITE; - buffer[1]=(unsigned char)data; - - dev = (struct usb_ul_usb1 *)candev->sysdevptr.anydev; - - mutex_lock(&dev->io_mutex); - if (!dev) { /* disconnect() was called */ - CANMSG("Sending %lu:%X : ERR No device\n",address,(uint8_t)data); - retval = -ENODEV; - goto exit; - } - if (!dev->interface) { /* disconnect() was called */ - CANMSG("Sending %lu:%X : ERR No interface\n",address,(uint8_t)data); - retval = -ENODEV; - goto exit; - } + IO1DIR|=0x00FF0000; // Port as output to send data + IO1CLR=0x00FF0000; // Clear all data on port + // Init + SET_OUT_PIN(IO0,P0_SJA1000_RD_PIN); // Stays high on write + SET_OUT_PIN(IO0,P0_SJA1000_WR_PIN); // Stays high on address write + SET_OUT_PIN(IO0,P0_SJA1000_CS_PIN); // Sets output buffers to third state + for (slowdown=0;slowdownsysdevptr.anydev; + +// mutex_lock(&dev->io_mutex); +// if (!dev) { /* disconnect() was called */ +// CANMSG("Sending %lu:%X : ERR No device\n",address,(uint8_t)data); +// retval = -ENODEV; +// goto exit; +// } +// if (!dev->interface) { /* disconnect() was called */ +// CANMSG("Sending %lu:%X : ERR No interface\n",address,(uint8_t)data); +// retval = -ENODEV; +// goto exit; +// } /* do a blocking bulk write to send data to the device */ - retval = usb_bulk_msg(dev->udev, +/* retval = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->bulk_out_endpointAddr), buffer, 2, @@ -327,7 +356,7 @@ void ul_usb1_write_register(struct candevice_t *candev,unsigned data, unsigned l CANMSG("Sending %lu:%X : retval %d, transferred %d bytes\n",address,(uint8_t)data,retval,bytes_transferred); exit: - mutex_unlock(&dev->io_mutex); + mutex_unlock(&dev->io_mutex);*/ } /** ul_usb1_read_register @@ -340,29 +369,56 @@ exit: * Return Value: The function returns the value stored in @address * File: src/ul_usb1.c */ -unsigned ul_usb1_read_register(struct candevice_t *candev,unsigned long address) +unsigned ul_usb1_read_register(unsigned long address) { - struct usb_ul_usb1 *dev; - int retval; - int bytes_transferred; - unsigned char buffer[2]; - buffer[0]=((unsigned char)address & ~CAN_OP_MASK)+CAN_OP_READ; - buffer[1]=0x00; - - dev = (struct usb_ul_usb1 *)candev->sysdevptr.anydev; - - mutex_lock(&dev->io_mutex); - if (!dev) { /* disconnect() was called */ - retval = -ENODEV; - goto exit; - } - if (!dev->interface) { /* disconnect() was called */ - retval = -ENODEV; - goto exit; - } + unsigned data; + IO1DIR|=0x00FF0000; // Port as output to set address + IO1CLR=0x00FF0000; // Clear all data + // Init + SET_OUT_PIN(IO0,P0_SJA1000_WR_PIN); // Stays high on read + SET_OUT_PIN(IO0,P0_SJA1000_RD_PIN); // Stays high while entering address + SET_OUT_PIN(IO0,P0_SJA1000_CS_PIN); + for (slowdown=0;slowdownsysdevptr.anydev; + +// mutex_lock(&dev->io_mutex); +// if (!dev) { /* disconnect() was called */ +// retval = -ENODEV; +// goto exit; +// } +// if (!dev->interface) { /* disconnect() was called */ +// retval = -ENODEV; +// goto exit; +// } /* do a blocking bulk write to send data to the device */ - retval = usb_bulk_msg(dev->udev, +/* retval = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, dev->bulk_out_endpointAddr), buffer, 2, @@ -373,16 +429,16 @@ unsigned ul_usb1_read_register(struct candevice_t *candev,unsigned long address) retval = -EFAULT; goto exit; } - +*/ /* do a blocking bulk read to get data from the device */ - retval = usb_bulk_msg(dev->udev, - usb_rcvbulkpipe(dev->udev, dev->bulk_in_endpointAddr), - dev->bulk_in_buffer, - dev->bulk_in_size, - &bytes_transferred, 10000); +// retval = usb_bulk_msg(dev->udev, +// usb_rcvbulkpipe(dev->udev, dev->bulk_in_endpointAddr), +// dev->bulk_in_buffer, +// dev->bulk_in_size, +// &bytes_transferred, 10000); /* if the read was successful, copy the data to userspace */ - CANMSG("Received %d bytes : %u:%X\n",bytes_transferred,(dev->bulk_in_buffer[0] & 0x7F),dev->bulk_in_buffer[1]); +/* CANMSG("Received %d bytes : %u:%X\n",bytes_transferred,(dev->bulk_in_buffer[0] & 0x7F),dev->bulk_in_buffer[1]); if (!retval) { if (bytes_transferred!=2) retval = -EFAULT; @@ -392,7 +448,7 @@ unsigned ul_usb1_read_register(struct candevice_t *candev,unsigned long address) exit: mutex_unlock(&dev->io_mutex); - return retval; + return retval;*/ } /* !!! Don't change this function !!! */ @@ -416,209 +472,209 @@ int ul_usb1_register(struct hwspecops_t *hwspecops) /* --------------------------------------------------------------------------------------------------- */ -static void ul_usb1_irq(struct urb *urb) -{ - struct usb_ul_usb1 *dev = urb->context; - struct ul_usb1_combo devc; - int retval; - - CANMSG("Interrupt poll\n"); - - switch (urb->status) { - case 0: - /* success */ - break; - case -ECONNRESET: - case -ENOENT: - case -ESHUTDOWN: - /* this urb is terminated, clean up */ - CANMSG("%s - urb shutting down with status: %d\n", __FUNCTION__, urb->status); - return; - default: - CANMSG("%s - nonzero urb status received: %d\n", __FUNCTION__, urb->status); - goto exit; - } - - devc.dev = dev; - devc.urb = urb; - - dev->candev->chip[0]->chipspecops->irq_handler(0,dev->candev->chip[0]); - CANMSG("Interrupt caught\n"); - - exit: - retval = usb_submit_urb (urb, GFP_ATOMIC); - if (retval) - CANMSG("%s - usb_submit_urb failed with result %d\n", - __FUNCTION__, retval); -} - -static void ul_usb1_delete(struct usb_ul_usb1 *dev) -{ - usb_put_dev(dev->udev); - usb_kill_urb(dev->irq); - usb_free_urb(dev->irq); - kfree(dev->bulk_in_buffer); - kfree(dev->int_in_buffer); - if (dev->candev){ - dev->candev->sysdevptr.anydev=NULL; - cleanup_usbdev(dev->candev); - } - kfree(dev); -} - -static int ul_usb1_probe(struct usb_interface *interface, const struct usb_device_id *id) -{ - struct usb_ul_usb1 *dev; - struct usb_host_interface *iface_desc; - struct usb_endpoint_descriptor *endpoint; - struct candevice_t *candev; - size_t buffer_size; - int i; - int retval = -ENOMEM; - - /* allocate memory for our device state and initialize it */ - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) { - err("Out of memory"); - goto error; - } - sema_init(&dev->limit_sem, WRITES_IN_FLIGHT); - mutex_init(&dev->io_mutex); - spin_lock_init(&dev->err_lock); - init_usb_anchor(&dev->submitted); - -// dev->udev = usb_get_dev(interface_to_usbdev(interface)); - dev->udev = interface_to_usbdev(interface); - dev->interface = interface; - - /* set up the endpoint information */ - /* use only the first bulk-in and bulk-out endpoints */ - iface_desc = interface->cur_altsetting; - for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { - endpoint = &iface_desc->endpoint[i].desc; - - if (!dev->bulk_in_endpointAddr && - usb_endpoint_is_bulk_in(endpoint)) { - /* we found a bulk in endpoint */ - buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); - dev->bulk_in_size = buffer_size; - dev->bulk_in_endpointAddr = endpoint->bEndpointAddress; - dev->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL); - if (!dev->bulk_in_buffer) { - err("Could not allocate bulk_in_buffer"); - goto error; - } - } - - if (!dev->bulk_out_endpointAddr && - usb_endpoint_is_bulk_out(endpoint)) { - /* we found a bulk out endpoint */ - dev->bulk_out_endpointAddr = endpoint->bEndpointAddress; - } - - if (!dev->int_in_endpointAddr && - usb_endpoint_is_int_in(endpoint)) { - /* we found an interrupt in endpoint */ - buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); - dev->int_in_size = buffer_size; - dev->int_in_endpointAddr = endpoint->bEndpointAddress; - dev->int_in_buffer = kmalloc(buffer_size, GFP_KERNEL); - dev->int_in_interval = endpoint->bInterval; - if (!dev->int_in_buffer) { - err("Could not allocate int_in_buffer"); - goto error; - } - } - } - if (!(dev->bulk_in_endpointAddr && dev->bulk_out_endpointAddr && dev->int_in_endpointAddr)) { - err("Could not find all bulk-in, bulk-out and interrupt endpoints"); - goto error; - } - - /* save our data pointer in this interface device */ - usb_set_intfdata(interface, dev); - - if (main_init_done==1) - register_usbdev("ul_usb1",(void *) dev); - else { - mutex_lock(&usbdev_reg_mutex); - if (main_init_done==1) - register_usbdev("ul_usb1",(void *) dev); - else { - for (i=0;ihwname,"ul_usb1"); - usbregq[i]->anydev=(void *) dev; - break; - } - } - if (i==MAX_HW_CARDS){ - CANMSG("No free space to register new card"); - mutex_unlock(&usbdev_reg_mutex); - goto error; - } - } - mutex_unlock(&usbdev_reg_mutex); - } - - dev->irq = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->irq){ - CANMSG("Error allocating usb urb\n"); - goto error; - } - dev->irq->dev = dev->udev; - usb_fill_int_urb(dev->irq, dev->udev, - usb_rcvintpipe(dev->udev, dev->int_in_endpointAddr), - dev->int_in_buffer, dev->int_in_size, - ul_usb1_irq, dev, dev->int_in_interval); -/* usb_fill_bulk_urb(dev->irq, dev->udev, - usb_rcvbulkpipe(dev->udev, dev->bulk_in_endpointAddr), - dev->int_in_buffer, dev->int_in_size, - ul_usb1_irq, dev);*/ - -/* dev->irq->transfer_dma = wacom->data_dma; - dev->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;*/ - retval=usb_submit_urb(dev->irq, GFP_KERNEL); - if (retval){ - CANMSG("INT URB %d\n",retval); - return -EIO; - }else - CANMSG("INT URB SUCCCESS\n"); - - /* let the user know what node this device is now attached to */ - info("USB Skeleton device now attached"); - return 0; - -error: - ul_usb1_delete(dev); - return retval; -} - -static void ul_usb1_disconnect(struct usb_interface *interface) -{ - struct usb_ul_usb1 *dev; - int minor = interface->minor; - - dev = usb_get_intfdata(interface); - usb_set_intfdata(interface, NULL); - - /* prevent more I/O from starting */ - mutex_lock(&dev->io_mutex); - dev->interface = NULL; - mutex_unlock(&dev->io_mutex); +// static void ul_usb1_irq(struct urb *urb) +// { +// struct usb_ul_usb1 *dev = urb->context; +// struct ul_usb1_combo devc; +// int retval; +// +// CANMSG("Interrupt poll\n"); +// +// switch (urb->status) { +// case 0: +// /* success */ +// break; +// case -ECONNRESET: +// case -ENOENT: +// case -ESHUTDOWN: +// /* this urb is terminated, clean up */ +// CANMSG("%s - urb shutting down with status: %d\n", __FUNCTION__, urb->status); +// return; +// default: +// CANMSG("%s - nonzero urb status received: %d\n", __FUNCTION__, urb->status); +// goto exit; +// } +// +// devc.dev = dev; +// devc.urb = urb; +// +// dev->candev->chip[0]->chipspecops->irq_handler(0,dev->candev->chip[0]); +// CANMSG("Interrupt caught\n"); +// +// exit: +// retval = usb_submit_urb (urb, GFP_ATOMIC); +// if (retval) +// CANMSG("%s - usb_submit_urb failed with result %d\n", +// __FUNCTION__, retval); +// } - //usb_kill_anchored_urbs(&dev->submitted); +// static void ul_usb1_delete(struct usb_ul_usb1 *dev) +// { +// usb_put_dev(dev->udev); +// usb_kill_urb(dev->irq); +// usb_free_urb(dev->irq); +// kfree(dev->bulk_in_buffer); +// kfree(dev->int_in_buffer); +// if (dev->candev){ +// dev->candev->sysdevptr.anydev=NULL; +// cleanup_usbdev(dev->candev); +// } +// kfree(dev); +// } - ul_usb1_delete(dev); +// static int ul_usb1_probe(struct usb_interface *interface, const struct usb_device_id *id) +// { +// struct usb_ul_usb1 *dev; +// struct usb_host_interface *iface_desc; +// struct usb_endpoint_descriptor *endpoint; +// struct candevice_t *candev; +// size_t buffer_size; +// int i; +// int retval = -ENOMEM; +// +// /* allocate memory for our device state and initialize it */ +// dev = kzalloc(sizeof(*dev), GFP_KERNEL); +// if (!dev) { +// err("Out of memory"); +// goto error; +// } +// sema_init(&dev->limit_sem, WRITES_IN_FLIGHT); +// mutex_init(&dev->io_mutex); +// spin_lock_init(&dev->err_lock); +// init_usb_anchor(&dev->submitted); +// +// // dev->udev = usb_get_dev(interface_to_usbdev(interface)); +// dev->udev = interface_to_usbdev(interface); +// dev->interface = interface; +// +// /* set up the endpoint information */ +// /* use only the first bulk-in and bulk-out endpoints */ +// iface_desc = interface->cur_altsetting; +// for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { +// endpoint = &iface_desc->endpoint[i].desc; +// +// if (!dev->bulk_in_endpointAddr && +// usb_endpoint_is_bulk_in(endpoint)) { +// /* we found a bulk in endpoint */ +// buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); +// dev->bulk_in_size = buffer_size; +// dev->bulk_in_endpointAddr = endpoint->bEndpointAddress; +// dev->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL); +// if (!dev->bulk_in_buffer) { +// err("Could not allocate bulk_in_buffer"); +// goto error; +// } +// } +// +// if (!dev->bulk_out_endpointAddr && +// usb_endpoint_is_bulk_out(endpoint)) { +// /* we found a bulk out endpoint */ +// dev->bulk_out_endpointAddr = endpoint->bEndpointAddress; +// } +// +// if (!dev->int_in_endpointAddr && +// usb_endpoint_is_int_in(endpoint)) { +// /* we found an interrupt in endpoint */ +// buffer_size = le16_to_cpu(endpoint->wMaxPacketSize); +// dev->int_in_size = buffer_size; +// dev->int_in_endpointAddr = endpoint->bEndpointAddress; +// dev->int_in_buffer = kmalloc(buffer_size, GFP_KERNEL); +// dev->int_in_interval = endpoint->bInterval; +// if (!dev->int_in_buffer) { +// err("Could not allocate int_in_buffer"); +// goto error; +// } +// } +// } +// if (!(dev->bulk_in_endpointAddr && dev->bulk_out_endpointAddr && dev->int_in_endpointAddr)) { +// err("Could not find all bulk-in, bulk-out and interrupt endpoints"); +// goto error; +// } +// +// /* save our data pointer in this interface device */ +// usb_set_intfdata(interface, dev); +// +// if (main_init_done==1) +// register_usbdev("ul_usb1",(void *) dev); +// else { +// mutex_lock(&usbdev_reg_mutex); +// if (main_init_done==1) +// register_usbdev("ul_usb1",(void *) dev); +// else { +// for (i=0;ihwname,"ul_usb1"); +// usbregq[i]->anydev=(void *) dev; +// break; +// } +// } +// if (i==MAX_HW_CARDS){ +// CANMSG("No free space to register new card"); +// mutex_unlock(&usbdev_reg_mutex); +// goto error; +// } +// } +// mutex_unlock(&usbdev_reg_mutex); +// } +// +// dev->irq = usb_alloc_urb(0, GFP_KERNEL); +// if (!dev->irq){ +// CANMSG("Error allocating usb urb\n"); +// goto error; +// } +// dev->irq->dev = dev->udev; +// usb_fill_int_urb(dev->irq, dev->udev, +// usb_rcvintpipe(dev->udev, dev->int_in_endpointAddr), +// dev->int_in_buffer, dev->int_in_size, +// ul_usb1_irq, dev, dev->int_in_interval); +// /* usb_fill_bulk_urb(dev->irq, dev->udev, +// usb_rcvbulkpipe(dev->udev, dev->bulk_in_endpointAddr), +// dev->int_in_buffer, dev->int_in_size, +// ul_usb1_irq, dev);*/ +// +// /* dev->irq->transfer_dma = wacom->data_dma; +// dev->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;*/ +// retval=usb_submit_urb(dev->irq, GFP_KERNEL); +// if (retval){ +// CANMSG("INT URB %d\n",retval); +// return -EIO; +// }else +// CANMSG("INT URB SUCCCESS\n"); +// +// /* let the user know what node this device is now attached to */ +// info("USB Skeleton device now attached"); +// return 0; +// +// error: +// ul_usb1_delete(dev); +// return retval; +// } - info("USB Skeleton now disconnected"); -} +// static void ul_usb1_disconnect(struct usb_interface *interface) +// { +// struct usb_ul_usb1 *dev; +// int minor = interface->minor; +// +// dev = usb_get_intfdata(interface); +// usb_set_intfdata(interface, NULL); +// +// /* prevent more I/O from starting */ +// mutex_lock(&dev->io_mutex); +// dev->interface = NULL; +// mutex_unlock(&dev->io_mutex); +// +// //usb_kill_anchored_urbs(&dev->submitted); +// +// ul_usb1_delete(dev); +// +// info("USB Skeleton now disconnected"); +// } // static struct usb_driver ul_usb1_driver = { // .name = "ul_usb1-can",