drivers/usb/class/usblp.c

1003

if (!usblp->present)

drivers/usb/class/usblp.c

1007

spin_lock_irqsave(&usblp->lock, flags);

drivers/usb/class/usblp.c

1008

if (usblp->rcomplete) {

drivers/usb/class/usblp.c

1009

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

1012

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

1021

static int usblp_submit_read(struct usblp *usblp)

drivers/usb/class/usblp.c

1032

usb_fill_bulk_urb(urb, usblp->dev,

drivers/usb/class/usblp.c

1033

usb_rcvbulkpipe(usblp->dev,

drivers/usb/class/usblp.c

1034

usblp->protocol[usblp->current_protocol].epread->bEndpointAddress),

drivers/usb/class/usblp.c

1035

usblp->readbuf, USBLP_BUF_SIZE_IN,

drivers/usb/class/usblp.c

1036

usblp_bulk_read, usblp);

drivers/usb/class/usblp.c

1037

usb_anchor_urb(urb, &usblp->urbs);

drivers/usb/class/usblp.c

1039

spin_lock_irqsave(&usblp->lock, flags);

drivers/usb/class/usblp.c

1040

usblp->readcount = 0; /* XXX Why here? */

drivers/usb/class/usblp.c

1041

usblp->rcomplete = 0;

drivers/usb/class/usblp.c

1042

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

1045

dev_dbg(&usblp->intf->dev, "error submitting urb (%d)\n", rc);

drivers/usb/class/usblp.c

1046

spin_lock_irqsave(&usblp->lock, flags);

drivers/usb/class/usblp.c

1047

usblp->rstatus = rc;

drivers/usb/class/usblp.c

1048

usblp->rcomplete = 1;

drivers/usb/class/usblp.c

1049

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

1118

struct usblp *usblp = usb_get_intfdata(intf);

drivers/usb/class/usblp.c

1120

if (usblp->device_id_string[0] == 0 &&

drivers/usb/class/usblp.c

1121

usblp->device_id_string[1] == 0)

drivers/usb/class/usblp.c

1124

return sprintf(buf, "%s", usblp->device_id_string+2);

drivers/usb/class/usblp.c

1133

ATTRIBUTE_GROUPS(usblp);

drivers/usb/class/usblp.c

1139

struct usblp *usblp;

drivers/usb/class/usblp.c

1145

usblp = kzalloc_obj(struct usblp);

drivers/usb/class/usblp.c

1146

if (!usblp) {

drivers/usb/class/usblp.c

1150

usblp->dev = dev;

drivers/usb/class/usblp.c

1151

mutex_init(&usblp->wmut);

drivers/usb/class/usblp.c

1152

mutex_init(&usblp->mut);

drivers/usb/class/usblp.c

1153

spin_lock_init(&usblp->lock);

drivers/usb/class/usblp.c

1154

init_waitqueue_head(&usblp->rwait);

drivers/usb/class/usblp.c

1155

init_waitqueue_head(&usblp->wwait);

drivers/usb/class/usblp.c

1156

init_usb_anchor(&usblp->urbs);

drivers/usb/class/usblp.c

1157

usblp->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;

drivers/usb/class/usblp.c

1158

usblp->intf = usb_get_intf(intf);

drivers/usb/class/usblp.c

1163

usblp->device_id_string = kmalloc(USBLP_DEVICE_ID_SIZE, GFP_KERNEL);

drivers/usb/class/usblp.c

1164

if (!usblp->device_id_string) {

drivers/usb/class/usblp.c

1174

usblp->readbuf = kmalloc(USBLP_BUF_SIZE_IN, GFP_KERNEL);

drivers/usb/class/usblp.c

1175

if (!usblp->readbuf) {

drivers/usb/class/usblp.c

1181

usblp->statusbuf = kmalloc(STATUS_BUF_SIZE, GFP_KERNEL);

drivers/usb/class/usblp.c

1182

if (!usblp->statusbuf) {

drivers/usb/class/usblp.c

1188

usblp->quirks = usblp_quirks(

drivers/usb/class/usblp.c

1193

protocol = usblp_select_alts(usblp);

drivers/usb/class/usblp.c

1204

if (usblp_set_protocol(usblp, protocol) < 0) {

drivers/usb/class/usblp.c

1210

usblp_cache_device_id_string(usblp);

drivers/usb/class/usblp.c

1213

usblp_check_status(usblp, 0);

drivers/usb/class/usblp.c

1216

usb_set_intfdata(intf, usblp);

drivers/usb/class/usblp.c

1218

usblp->present = 1;

drivers/usb/class/usblp.c

1227

usblp->minor = intf->minor;

drivers/usb/class/usblp.c

1230

usblp->minor, usblp->bidir ? "Bi" : "Uni", dev->devnum,

drivers/usb/class/usblp.c

1231

usblp->ifnum,

drivers/usb/class/usblp.c

1232

usblp->protocol[usblp->current_protocol].alt_setting,

drivers/usb/class/usblp.c

1233

usblp->current_protocol,

drivers/usb/class/usblp.c

1234

le16_to_cpu(usblp->dev->descriptor.idVendor),

drivers/usb/class/usblp.c

1235

le16_to_cpu(usblp->dev->descriptor.idProduct));

drivers/usb/class/usblp.c

1242

kfree(usblp->readbuf);

drivers/usb/class/usblp.c

1243

kfree(usblp->statusbuf);

drivers/usb/class/usblp.c

1244

kfree(usblp->device_id_string);

drivers/usb/class/usblp.c

1245

usb_put_intf(usblp->intf);

drivers/usb/class/usblp.c

1246

kfree(usblp);

drivers/usb/class/usblp.c

1274

static int usblp_select_alts(struct usblp *usblp)

drivers/usb/class/usblp.c

1282

if_alt = usblp->intf;

drivers/usb/class/usblp.c

1285

usblp->protocol[p].alt_setting = -1;

drivers/usb/class/usblp.c

1293

if (!(usblp->quirks & USBLP_QUIRK_BAD_CLASS))

drivers/usb/class/usblp.c

1314

if (usblp->quirks & USBLP_QUIRK_BIDIR) {

drivers/usb/class/usblp.c

1317

usblp->minor);

drivers/usb/class/usblp.c

1321

usblp->protocol[ifd->desc.bInterfaceProtocol].alt_setting =

drivers/usb/class/usblp.c

1323

usblp->protocol[ifd->desc.bInterfaceProtocol].epwrite = epwrite;

drivers/usb/class/usblp.c

1324

usblp->protocol[ifd->desc.bInterfaceProtocol].epread = epread;

drivers/usb/class/usblp.c

1330

usblp->protocol[proto_bias].alt_setting != -1)

drivers/usb/class/usblp.c

1334

if (usblp->protocol[2].alt_setting != -1)

drivers/usb/class/usblp.c

1336

if (usblp->protocol[1].alt_setting != -1)

drivers/usb/class/usblp.c

1338

if (usblp->protocol[3].alt_setting != -1)

drivers/usb/class/usblp.c

1345

static int usblp_set_protocol(struct usblp *usblp, int protocol)

drivers/usb/class/usblp.c

1352

alts = usblp->protocol[protocol].alt_setting;

drivers/usb/class/usblp.c

1357

if (usblp->intf->num_altsetting > 1) {

drivers/usb/class/usblp.c

1358

r = usb_set_interface(usblp->dev, usblp->ifnum, alts);

drivers/usb/class/usblp.c

1361

alts, usblp->ifnum);

drivers/usb/class/usblp.c

1366

usblp->bidir = (usblp->protocol[protocol].epread != NULL);

drivers/usb/class/usblp.c

1367

usblp->current_protocol = protocol;

drivers/usb/class/usblp.c

1368

dev_dbg(&usblp->intf->dev, "usblp%d set protocol %d\n",

drivers/usb/class/usblp.c

1369

usblp->minor, protocol);

drivers/usb/class/usblp.c

1376

static int usblp_cache_device_id_string(struct usblp *usblp)

drivers/usb/class/usblp.c

1380

err = usblp_get_id(usblp, 0, usblp->device_id_string, USBLP_DEVICE_ID_SIZE - 1);

drivers/usb/class/usblp.c

1382

dev_dbg(&usblp->intf->dev,

drivers/usb/class/usblp.c

1384

usblp->minor, err);

drivers/usb/class/usblp.c

1385

usblp->device_id_string[0] = usblp->device_id_string[1] = '\0';

drivers/usb/class/usblp.c

1392

length = be16_to_cpu(*((__be16 *)usblp->device_id_string));

drivers/usb/class/usblp.c

1397

usblp->device_id_string[length] = '\0';

drivers/usb/class/usblp.c

1399

dev_dbg(&usblp->intf->dev, "usblp%d Device ID string [len=%d]=\"%s\"\n",

drivers/usb/class/usblp.c

1400

usblp->minor, length, &usblp->device_id_string[2]);

drivers/usb/class/usblp.c

1407

struct usblp *usblp = usb_get_intfdata(intf);

drivers/usb/class/usblp.c

1411

if (!usblp || !usblp->dev) {

drivers/usb/class/usblp.c

1417

mutex_lock(&usblp->mut);

drivers/usb/class/usblp.c

1418

usblp->present = 0;

drivers/usb/class/usblp.c

1419

wake_up(&usblp->wwait);

drivers/usb/class/usblp.c

1420

wake_up(&usblp->rwait);

drivers/usb/class/usblp.c

1423

usblp_unlink_urbs(usblp);

drivers/usb/class/usblp.c

1424

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

1425

usb_poison_anchored_urbs(&usblp->urbs);

drivers/usb/class/usblp.c

1427

if (!usblp->used)

drivers/usb/class/usblp.c

1428

usblp_cleanup(usblp);

drivers/usb/class/usblp.c

1435

struct usblp *usblp = usb_get_intfdata(intf);

drivers/usb/class/usblp.c

1437

usblp_unlink_urbs(usblp);

drivers/usb/class/usblp.c

1440

wake_up(&usblp->wwait);

drivers/usb/class/usblp.c

1441

wake_up(&usblp->rwait);

drivers/usb/class/usblp.c

1449

struct usblp *usblp = usb_get_intfdata(intf);

drivers/usb/class/usblp.c

1452

r = handle_bidir(usblp);

drivers/usb/class/usblp.c

169

static void usblp_dump(struct usblp *usblp)

drivers/usb/class/usblp.c

171

struct device *dev = &usblp->intf->dev;

drivers/usb/class/usblp.c

174

dev_dbg(dev, "usblp=0x%p\n", usblp);

drivers/usb/class/usblp.c

175

dev_dbg(dev, "dev=0x%p\n", usblp->dev);

drivers/usb/class/usblp.c

176

dev_dbg(dev, "present=%d\n", usblp->present);

drivers/usb/class/usblp.c

177

dev_dbg(dev, "readbuf=0x%p\n", usblp->readbuf);

drivers/usb/class/usblp.c

178

dev_dbg(dev, "readcount=%d\n", usblp->readcount);

drivers/usb/class/usblp.c

179

dev_dbg(dev, "ifnum=%d\n", usblp->ifnum);

drivers/usb/class/usblp.c

182

usblp->protocol[p].alt_setting);

drivers/usb/class/usblp.c

184

usblp->protocol[p].epwrite);

drivers/usb/class/usblp.c

186

usblp->protocol[p].epread);

drivers/usb/class/usblp.c

188

dev_dbg(dev, "current_protocol=%d\n", usblp->current_protocol);

drivers/usb/class/usblp.c

189

dev_dbg(dev, "minor=%d\n", usblp->minor);

drivers/usb/class/usblp.c

190

dev_dbg(dev, "wstatus=%d\n", usblp->wstatus);

drivers/usb/class/usblp.c

191

dev_dbg(dev, "rstatus=%d\n", usblp->rstatus);

drivers/usb/class/usblp.c

192

dev_dbg(dev, "quirks=%d\n", usblp->quirks);

drivers/usb/class/usblp.c

193

dev_dbg(dev, "used=%d\n", usblp->used);

drivers/usb/class/usblp.c

194

dev_dbg(dev, "bidir=%d\n", usblp->bidir);

drivers/usb/class/usblp.c

196

usblp->device_id_string ?

drivers/usb/class/usblp.c

197

usblp->device_id_string + 2 :

drivers/usb/class/usblp.c

234

static int usblp_wwait(struct usblp *usblp, int nonblock);

drivers/usb/class/usblp.c

235

static int usblp_wtest(struct usblp *usblp, int nonblock);

drivers/usb/class/usblp.c

236

static int usblp_rwait_and_lock(struct usblp *usblp, int nonblock);

drivers/usb/class/usblp.c

237

static int usblp_rtest(struct usblp *usblp, int nonblock);

drivers/usb/class/usblp.c

238

static int usblp_submit_read(struct usblp *usblp);

drivers/usb/class/usblp.c

239

static int usblp_select_alts(struct usblp *usblp);

drivers/usb/class/usblp.c

240

static int usblp_set_protocol(struct usblp *usblp, int protocol);

drivers/usb/class/usblp.c

241

static int usblp_cache_device_id_string(struct usblp *usblp);

drivers/usb/class/usblp.c

251

static int usblp_ctrl_msg(struct usblp *usblp, int request, int type, int dir, int recip, int value, void *buf, int len)

drivers/usb/class/usblp.c

254

int index = usblp->ifnum;

drivers/usb/class/usblp.c

260

index = (usblp->ifnum<<8)|usblp->protocol[usblp->current_protocol].alt_setting;

drivers/usb/class/usblp.c

262

retval = usb_control_msg(usblp->dev,

drivers/usb/class/usblp.c

263

dir ? usb_rcvctrlpipe(usblp->dev, 0) : usb_sndctrlpipe(usblp->dev, 0),

drivers/usb/class/usblp.c

265

dev_dbg(&usblp->intf->dev,

drivers/usb/class/usblp.c

271

#define usblp_read_status(usblp, status)\

drivers/usb/class/usblp.c

272

usblp_ctrl_msg(usblp, USBLP_REQ_GET_STATUS, USB_TYPE_CLASS, USB_DIR_IN, USB_RECIP_INTERFACE, 0, status, 1)

drivers/usb/class/usblp.c

273

#define usblp_get_id(usblp, config, id, maxlen)\

drivers/usb/class/usblp.c

274

usblp_ctrl_msg(usblp, USBLP_REQ_GET_ID, USB_TYPE_CLASS, USB_DIR_IN, USB_RECIP_INTERFACE, config, id, maxlen)

drivers/usb/class/usblp.c

275

#define usblp_reset(usblp)\

drivers/usb/class/usblp.c

276

usblp_ctrl_msg(usblp, USBLP_REQ_RESET, USB_TYPE_CLASS, USB_DIR_OUT, USB_RECIP_OTHER, 0, NULL, 0)

drivers/usb/class/usblp.c

278

static int usblp_hp_channel_change_request(struct usblp *usblp, int channel, u8 *new_channel)

drivers/usb/class/usblp.c

287

ret = usblp_ctrl_msg(usblp, USBLP_REQ_HP_CHANNEL_CHANGE_REQUEST,

drivers/usb/class/usblp.c

311

struct usblp *usblp = urb->context;

drivers/usb/class/usblp.c

315

if (usblp->present && usblp->used) {

drivers/usb/class/usblp.c

319

usblp->minor, status);

drivers/usb/class/usblp.c

321

spin_lock_irqsave(&usblp->lock, flags);

drivers/usb/class/usblp.c

323

usblp->rstatus = status;

drivers/usb/class/usblp.c

325

usblp->rstatus = urb->actual_length;

drivers/usb/class/usblp.c

326

usblp->rcomplete = 1;

drivers/usb/class/usblp.c

327

wake_up(&usblp->rwait);

drivers/usb/class/usblp.c

328

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

335

struct usblp *usblp = urb->context;

drivers/usb/class/usblp.c

339

if (usblp->present && usblp->used) {

drivers/usb/class/usblp.c

343

usblp->minor, status);

drivers/usb/class/usblp.c

345

spin_lock_irqsave(&usblp->lock, flags);

drivers/usb/class/usblp.c

347

usblp->wstatus = status;

drivers/usb/class/usblp.c

349

usblp->wstatus = urb->actual_length;

drivers/usb/class/usblp.c

350

usblp->no_paper = 0;

drivers/usb/class/usblp.c

351

usblp->wcomplete = 1;

drivers/usb/class/usblp.c

352

wake_up(&usblp->wwait);

drivers/usb/class/usblp.c

353

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

364

static int usblp_check_status(struct usblp *usblp, int err)

drivers/usb/class/usblp.c

369

mutex_lock(&usblp->mut);

drivers/usb/class/usblp.c

370

error = usblp_read_status(usblp, usblp->statusbuf);

drivers/usb/class/usblp.c

372

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

375

usblp->minor, error);

drivers/usb/class/usblp.c

378

status = *usblp->statusbuf;

drivers/usb/class/usblp.c

379

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

390

usblp->minor, usblp_messages[newerr]);

drivers/usb/class/usblp.c

396

static int handle_bidir(struct usblp *usblp)

drivers/usb/class/usblp.c

398

if (usblp->bidir && usblp->used) {

drivers/usb/class/usblp.c

399

if (usblp_submit_read(usblp) < 0)

drivers/usb/class/usblp.c

412

struct usblp *usblp;

drivers/usb/class/usblp.c

425

usblp = usb_get_intfdata(intf);

drivers/usb/class/usblp.c

426

if (!usblp || !usblp->dev || !usblp->present)

drivers/usb/class/usblp.c

430

if (usblp->used)

drivers/usb/class/usblp.c

442

usblp->used = 1;

drivers/usb/class/usblp.c

443

file->private_data = usblp;

drivers/usb/class/usblp.c

445

usblp->wcomplete = 1; /* we begin writeable */

drivers/usb/class/usblp.c

446

usblp->wstatus = 0;

drivers/usb/class/usblp.c

447

usblp->rcomplete = 0;

drivers/usb/class/usblp.c

449

if (handle_bidir(usblp) < 0) {

drivers/usb/class/usblp.c

451

usblp->used = 0;

drivers/usb/class/usblp.c

460

static void usblp_cleanup(struct usblp *usblp)

drivers/usb/class/usblp.c

462

printk(KERN_INFO "usblp%d: removed\n", usblp->minor);

drivers/usb/class/usblp.c

464

kfree(usblp->readbuf);

drivers/usb/class/usblp.c

465

kfree(usblp->device_id_string);

drivers/usb/class/usblp.c

466

kfree(usblp->statusbuf);

drivers/usb/class/usblp.c

467

usb_put_intf(usblp->intf);

drivers/usb/class/usblp.c

468

kfree(usblp);

drivers/usb/class/usblp.c

471

static void usblp_unlink_urbs(struct usblp *usblp)

drivers/usb/class/usblp.c

473

usb_kill_anchored_urbs(&usblp->urbs);

drivers/usb/class/usblp.c

478

struct usblp *usblp = file->private_data;

drivers/usb/class/usblp.c

480

usblp->flags &= ~LP_ABORT;

drivers/usb/class/usblp.c

483

usblp->used = 0;

drivers/usb/class/usblp.c

484

if (usblp->present)

drivers/usb/class/usblp.c

485

usblp_unlink_urbs(usblp);

drivers/usb/class/usblp.c

487

usb_autopm_put_interface(usblp->intf);

drivers/usb/class/usblp.c

489

if (!usblp->present) /* finish cleanup from disconnect */

drivers/usb/class/usblp.c

490

usblp_cleanup(usblp); /* any URBs must be dead */

drivers/usb/class/usblp.c

499

struct usblp *usblp = file->private_data;

drivers/usb/class/usblp.c

504

poll_wait(file, &usblp->rwait, wait);

drivers/usb/class/usblp.c

505

poll_wait(file, &usblp->wwait, wait);

drivers/usb/class/usblp.c

507

mutex_lock(&usblp->mut);

drivers/usb/class/usblp.c

508

if (!usblp->present)

drivers/usb/class/usblp.c

510

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

512

spin_lock_irqsave(&usblp->lock, flags);

drivers/usb/class/usblp.c

513

if (usblp->bidir && usblp->rcomplete)

drivers/usb/class/usblp.c

515

if (usblp->no_paper || usblp->wcomplete)

drivers/usb/class/usblp.c

517

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

523

struct usblp *usblp = file->private_data;

drivers/usb/class/usblp.c

530

mutex_lock(&usblp->mut);

drivers/usb/class/usblp.c

531

if (!usblp->present) {

drivers/usb/class/usblp.c

536

dev_dbg(&usblp->intf->dev,

drivers/usb/class/usblp.c

550

length = usblp_cache_device_id_string(usblp);

drivers/usb/class/usblp.c

559

usblp->device_id_string,

drivers/usb/class/usblp.c

574

twoints[0] = usblp->current_protocol;

drivers/usb/class/usblp.c

578

if (usblp->protocol[i].alt_setting >= 0)

drivers/usb/class/usblp.c

599

usblp_dump(usblp);

drivers/usb/class/usblp.c

604

usblp_unlink_urbs(usblp);

drivers/usb/class/usblp.c

605

retval = usblp_set_protocol(usblp, arg);

drivers/usb/class/usblp.c

607

usblp_set_protocol(usblp,

drivers/usb/class/usblp.c

608

usblp->current_protocol);

drivers/usb/class/usblp.c

614

le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 ||

drivers/usb/class/usblp.c

615

usblp->quirks & USBLP_QUIRK_BIDIR) {

drivers/usb/class/usblp.c

620

err = usblp_hp_channel_change_request(usblp,

drivers/usb/class/usblp.c

623

dev_err(&usblp->dev->dev,

drivers/usb/class/usblp.c

626

usblp->minor, err);

drivers/usb/class/usblp.c

631

dev_dbg(&usblp->intf->dev,

drivers/usb/class/usblp.c

633

usblp->minor, arg, newChannel);

drivers/usb/class/usblp.c

643

twoints[0] = usblp->dev->bus->busnum;

drivers/usb/class/usblp.c

644

twoints[1] = usblp->dev->devnum;

drivers/usb/class/usblp.c

652

dev_dbg(&usblp->intf->dev,

drivers/usb/class/usblp.c

654

usblp->minor, twoints[0], twoints[1]);

drivers/usb/class/usblp.c

664

twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor);

drivers/usb/class/usblp.c

665

twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct);

drivers/usb/class/usblp.c

673

dev_dbg(&usblp->intf->dev,

drivers/usb/class/usblp.c

675

usblp->minor, twoints[0], twoints[1]);

drivers/usb/class/usblp.c

683

retval = usblp_reset(usblp);

drivers/usb/class/usblp.c

692

retval = usblp_read_status(usblp, usblp->statusbuf);

drivers/usb/class/usblp.c

696

usblp->minor, retval);

drivers/usb/class/usblp.c

700

status = *usblp->statusbuf;

drivers/usb/class/usblp.c

707

usblp->flags |= LP_ABORT;

drivers/usb/class/usblp.c

709

usblp->flags &= ~LP_ABORT;

drivers/usb/class/usblp.c

717

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

721

static struct urb *usblp_new_writeurb(struct usblp *usblp, int transfer_length)

drivers/usb/class/usblp.c

735

usb_fill_bulk_urb(urb, usblp->dev,

drivers/usb/class/usblp.c

736

usb_sndbulkpipe(usblp->dev,

drivers/usb/class/usblp.c

737

usblp->protocol[usblp->current_protocol].epwrite->bEndpointAddress),

drivers/usb/class/usblp.c

738

writebuf, transfer_length, usblp_bulk_write, usblp);

drivers/usb/class/usblp.c

746

struct usblp *usblp = file->private_data;

drivers/usb/class/usblp.c

752

if (mutex_lock_interruptible(&usblp->wmut)) {

drivers/usb/class/usblp.c

756

rv = usblp_wwait(usblp, !!(file->f_flags & O_NONBLOCK));

drivers/usb/class/usblp.c

769

writeurb = usblp_new_writeurb(usblp, transfer_length);

drivers/usb/class/usblp.c

772

usb_anchor_urb(writeurb, &usblp->urbs);

drivers/usb/class/usblp.c

780

spin_lock_irq(&usblp->lock);

drivers/usb/class/usblp.c

781

usblp->wcomplete = 0;

drivers/usb/class/usblp.c

782

spin_unlock_irq(&usblp->lock);

drivers/usb/class/usblp.c

786

usblp->wstatus = 0;

drivers/usb/class/usblp.c

787

spin_lock_irq(&usblp->lock);

drivers/usb/class/usblp.c

788

usblp->no_paper = 0;

drivers/usb/class/usblp.c

789

usblp->wcomplete = 1;

drivers/usb/class/usblp.c

790

wake_up(&usblp->wwait);

drivers/usb/class/usblp.c

791

spin_unlock_irq(&usblp->lock);

drivers/usb/class/usblp.c

800

rv = usblp_wwait(usblp, !!(file->f_flags&O_NONBLOCK));

drivers/usb/class/usblp.c

807

spin_lock_irq(&usblp->lock);

drivers/usb/class/usblp.c

808

usblp->no_paper = 1; /* Mark for poll(2) */

drivers/usb/class/usblp.c

809

spin_unlock_irq(&usblp->lock);

drivers/usb/class/usblp.c

816

if (usblp->wstatus < 0) {

drivers/usb/class/usblp.c

824

writecount += usblp->wstatus;

drivers/usb/class/usblp.c

827

mutex_unlock(&usblp->wmut);

drivers/usb/class/usblp.c

837

mutex_unlock(&usblp->wmut);

drivers/usb/class/usblp.c

849

struct usblp *usblp = file->private_data;

drivers/usb/class/usblp.c

854

if (!usblp->bidir)

drivers/usb/class/usblp.c

857

rv = usblp_rwait_and_lock(usblp, !!(file->f_flags & O_NONBLOCK));

drivers/usb/class/usblp.c

861

if (!usblp->present) {

drivers/usb/class/usblp.c

866

avail = usblp->rstatus;

drivers/usb/class/usblp.c

869

usblp->minor, (int)avail);

drivers/usb/class/usblp.c

870

usblp_submit_read(usblp);

drivers/usb/class/usblp.c

875

count = min_t(ssize_t, len, avail - usblp->readcount);

drivers/usb/class/usblp.c

877

copy_to_user(buffer, usblp->readbuf + usblp->readcount, count)) {

drivers/usb/class/usblp.c

882

usblp->readcount += count;

drivers/usb/class/usblp.c

883

if (usblp->readcount == avail) {

drivers/usb/class/usblp.c

884

if (usblp_submit_read(usblp) < 0) {

drivers/usb/class/usblp.c

893

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

908

static int usblp_wwait(struct usblp *usblp, int nonblock)

drivers/usb/class/usblp.c

914

add_wait_queue(&usblp->wwait, &waita);

drivers/usb/class/usblp.c

916

if (mutex_lock_interruptible(&usblp->mut)) {

drivers/usb/class/usblp.c

921

rc = usblp_wtest(usblp, nonblock);

drivers/usb/class/usblp.c

922

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

927

if (usblp->flags & LP_ABORT) {

drivers/usb/class/usblp.c

928

err = usblp_check_status(usblp, err);

drivers/usb/class/usblp.c

935

mutex_lock(&usblp->mut);

drivers/usb/class/usblp.c

936

usblp_read_status(usblp, usblp->statusbuf);

drivers/usb/class/usblp.c

937

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

942

remove_wait_queue(&usblp->wwait, &waita);

drivers/usb/class/usblp.c

946

static int usblp_wtest(struct usblp *usblp, int nonblock)

drivers/usb/class/usblp.c

950

if (!usblp->present)

drivers/usb/class/usblp.c

954

spin_lock_irqsave(&usblp->lock, flags);

drivers/usb/class/usblp.c

955

if (usblp->wcomplete) {

drivers/usb/class/usblp.c

956

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

959

spin_unlock_irqrestore(&usblp->lock, flags);

drivers/usb/class/usblp.c

972

static int usblp_rwait_and_lock(struct usblp *usblp, int nonblock)

drivers/usb/class/usblp.c

977

add_wait_queue(&usblp->rwait, &waita);

drivers/usb/class/usblp.c

979

if (mutex_lock_interruptible(&usblp->mut)) {

drivers/usb/class/usblp.c

984

rc = usblp_rtest(usblp, nonblock);

drivers/usb/class/usblp.c

986

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

991

mutex_unlock(&usblp->mut);

drivers/usb/class/usblp.c

995

remove_wait_queue(&usblp->rwait, &waita);

drivers/usb/class/usblp.c

999

static int usblp_rtest(struct usblp *usblp, int nonblock)