diff options
Diffstat (limited to 'drivers/usb/class/usblp.c')
| -rw-r--r-- | drivers/usb/class/usblp.c | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 357e75335f1..27e9404547f 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -199,7 +199,7 @@ struct quirk_printer_struct { #define USBLP_QUIRK_BIDIR 0x1 /* reports bidir but requires unidirectional mode (no INs/reads) */ #define USBLP_QUIRK_USB_INIT 0x2 /* needs vendor USB init string */ -static struct quirk_printer_struct quirk_printers[] = { +static const struct quirk_printer_struct quirk_printers[] = { { 0x03f0, 0x0004, USBLP_QUIRK_BIDIR }, /* HP DeskJet 895C */ { 0x03f0, 0x0104, USBLP_QUIRK_BIDIR }, /* HP DeskJet 880C */ { 0x03f0, 0x0204, USBLP_QUIRK_BIDIR }, /* HP DeskJet 815C */ @@ -301,7 +301,7 @@ static void usblp_bulk_write(struct urb *urb, struct pt_regs *regs) * Get and print printer errors. */ -static char *usblp_messages[] = { "ok", "out of paper", "off-line", "on fire" }; +static const char *usblp_messages[] = { "ok", "out of paper", "off-line", "on fire" }; static int usblp_check_status(struct usblp *usblp, int err) { @@ -438,7 +438,7 @@ static unsigned int usblp_poll(struct file *file, struct poll_table_struct *wait | (!usblp->wcomplete ? 0 : POLLOUT | POLLWRNORM); } -static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) +static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct usblp *usblp = file->private_data; int length, err, i; @@ -838,7 +838,8 @@ static struct file_operations usblp_fops = { .read = usblp_read, .write = usblp_write, .poll = usblp_poll, - .ioctl = usblp_ioctl, + .unlocked_ioctl = usblp_ioctl, + .compat_ioctl = usblp_ioctl, .open = usblp_open, .release = usblp_release, }; @@ -849,6 +850,20 @@ static struct usb_class_driver usblp_class = { .minor_base = USBLP_MINOR_BASE, }; +static ssize_t usblp_show_ieee1284_id(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct usb_interface *intf = to_usb_interface(dev); + struct usblp *usblp = usb_get_intfdata (intf); + + if (usblp->device_id_string[0] == 0 && + usblp->device_id_string[1] == 0) + return 0; + + return sprintf(buf, "%s", usblp->device_id_string+2); +} + +static DEVICE_ATTR(ieee1284_id, S_IRUGO, usblp_show_ieee1284_id, NULL); + static int usblp_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -933,20 +948,12 @@ static int usblp_probe(struct usb_interface *intf, /* Retrieve and store the device ID string. */ usblp_cache_device_id_string(usblp); + device_create_file(&intf->dev, &dev_attr_ieee1284_id); #ifdef DEBUG usblp_check_status(usblp, 0); #endif - info("usblp%d: USB %sdirectional printer dev %d " - "if %d alt %d proto %d vid 0x%4.4X pid 0x%4.4X", - usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum, - usblp->ifnum, - usblp->protocol[usblp->current_protocol].alt_setting, - usblp->current_protocol, - le16_to_cpu(usblp->dev->descriptor.idVendor), - le16_to_cpu(usblp->dev->descriptor.idProduct)); - usb_set_intfdata (intf, usblp); usblp->present = 1; @@ -957,11 +964,20 @@ static int usblp_probe(struct usb_interface *intf, goto abort_intfdata; } usblp->minor = intf->minor; + info("usblp%d: USB %sdirectional printer dev %d " + "if %d alt %d proto %d vid 0x%4.4X pid 0x%4.4X", + usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum, + usblp->ifnum, + usblp->protocol[usblp->current_protocol].alt_setting, + usblp->current_protocol, + le16_to_cpu(usblp->dev->descriptor.idVendor), + le16_to_cpu(usblp->dev->descriptor.idProduct)); return 0; abort_intfdata: usb_set_intfdata (intf, NULL); + device_remove_file(&intf->dev, &dev_attr_ieee1284_id); abort: if (usblp) { if (usblp->writebuf) @@ -1156,6 +1172,8 @@ static void usblp_disconnect(struct usb_interface *intf) BUG (); } + device_remove_file(&intf->dev, &dev_attr_ieee1284_id); + down (&usblp_sem); down (&usblp->sem); usblp->present = 0; @@ -1186,7 +1204,6 @@ static struct usb_device_id usblp_ids [] = { MODULE_DEVICE_TABLE (usb, usblp_ids); static struct usb_driver usblp_driver = { - .owner = THIS_MODULE, .name = "usblp", .probe = usblp_probe, .disconnect = usblp_disconnect, |