1 files changed, 0 insertions, 865 deletions

diff --git a/drivers/staging/keucr/transport.c b/drivers/staging/keucr/transport.c
deleted file mode 100644
index 5e59525271f8..000000000000
--- a/drivers/staging/keucr/transport.c
+++ /dev/null
@@ -1,865 +0,0 @@
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/sched.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-
-#include <scsi/scsi.h>
-#include <scsi/scsi_eh.h>
-#include <scsi/scsi_device.h>
-
-#include "usb.h"
-#include "scsiglue.h"
-#include "transport.h"
-
-/***********************************************************************
- * Data transfer routines
- ***********************************************************************/
-/*
- * usb_stor_blocking_completion()
- */
-static void usb_stor_blocking_completion(struct urb *urb)
-{
-	struct completion *urb_done_ptr = urb->context;
-
-	/* pr_info("transport --- usb_stor_blocking_completion\n"); */
-	complete(urb_done_ptr);
-}
-
-/*
- * usb_stor_msg_common()
- */
-static int usb_stor_msg_common(struct us_data *us, int timeout)
-{
-	struct completion urb_done;
-	long timeleft;
-	int status;
-
-	/* pr_info("transport --- usb_stor_msg_common\n"); */
-	if (test_bit(US_FLIDX_ABORTING, &us->dflags))
-		return -EIO;
-
-	init_completion(&urb_done);
-
-	us->current_urb->context = &urb_done;
-	us->current_urb->actual_length = 0;
-	us->current_urb->error_count = 0;
-	us->current_urb->status = 0;
-
-	us->current_urb->transfer_flags = 0;
-	if (us->current_urb->transfer_buffer == us->iobuf)
-		us->current_urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-	us->current_urb->transfer_dma = us->iobuf_dma;
-	us->current_urb->setup_dma = us->cr_dma;
-
-	status = usb_submit_urb(us->current_urb, GFP_NOIO);
-	if (status)
-		return status;
-
-	set_bit(US_FLIDX_URB_ACTIVE, &us->dflags);
-
-	if (test_bit(US_FLIDX_ABORTING, &us->dflags)) {
-		if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags)) {
-			/* pr_info("-- cancelling URB\n"); */
-			usb_unlink_urb(us->current_urb);
-		}
-	}
-
-	timeleft = wait_for_completion_interruptible_timeout(&urb_done,
-					timeout ? : MAX_SCHEDULE_TIMEOUT);
-	clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags);
-
-	if (timeleft <= 0) {
-		/* pr_info("%s -- cancelling URB\n",
-			timeleft == 0 ? "Timeout" : "Signal"); */
-		usb_kill_urb(us->current_urb);
-	}
-
-	return us->current_urb->status;
-}
-
-/*
- * usb_stor_print_cmd():
- */
-static void usb_stor_print_cmd(struct us_data *us, struct scsi_cmnd *srb)
-{
-	u8 *Cdb = srb->cmnd;
-	u32   cmd = Cdb[0];
-
-	switch (cmd) {
-	case TEST_UNIT_READY:
-		break;
-	case INQUIRY:
-		dev_dbg(&us->pusb_dev->dev,
-				"scsi cmd %X --- SCSIOP_INQUIRY\n", cmd);
-		break;
-	case MODE_SENSE:
-		dev_dbg(&us->pusb_dev->dev,
-				"scsi cmd %X --- SCSIOP_MODE_SENSE\n", cmd);
-		break;
-	case START_STOP:
-		dev_dbg(&us->pusb_dev->dev,
-				"scsi cmd %X --- SCSIOP_START_STOP\n", cmd);
-		break;
-	case READ_CAPACITY:
-		dev_dbg(&us->pusb_dev->dev,
-				"scsi cmd %X --- SCSIOP_READ_CAPACITY\n", cmd);
-		break;
-	case READ_10:
-		break;
-	case WRITE_10:
-		break;
-	case ALLOW_MEDIUM_REMOVAL:
-		dev_dbg(&us->pusb_dev->dev,
-			"scsi cmd %X --- SCSIOP_ALLOW_MEDIUM_REMOVAL\n", cmd);
-		break;
-	default:
-		dev_dbg(&us->pusb_dev->dev, "scsi cmd %X --- Other cmd\n", cmd);
-		break;
-	}
-}
-
-/*
- * usb_stor_control_msg()
- */
-int usb_stor_control_msg(struct us_data *us, unsigned int pipe,
-		 u8 request, u8 requesttype, u16 value, u16 index,
-		 void *data, u16 size, int timeout)
-{
-	int status;
-
-	/* pr_info("transport --- usb_stor_control_msg\n"); */
-
-	/* fill in the devrequest structure */
-	us->cr->bRequestType = requesttype;
-	us->cr->bRequest = request;
-	us->cr->wValue = cpu_to_le16(value);
-	us->cr->wIndex = cpu_to_le16(index);
-	us->cr->wLength = cpu_to_le16(size);
-
-	/* fill and submit the URB */
-	usb_fill_control_urb(us->current_urb, us->pusb_dev, pipe,
-			 (unsigned char *) us->cr, data, size,
-			 usb_stor_blocking_completion, NULL);
-	status = usb_stor_msg_common(us, timeout);
-
-	/* return the actual length of the data transferred if no error */
-	if (status == 0)
-		status = us->current_urb->actual_length;
-	return status;
-}
-
-/*
- * usb_stor_clear_halt()
- */
-int usb_stor_clear_halt(struct us_data *us, unsigned int pipe)
-{
-	int result;
-	int endp = usb_pipeendpoint(pipe);
-
-	/* pr_info("transport --- usb_stor_clear_halt\n"); */
-	if (usb_pipein(pipe))
-		endp |= USB_DIR_IN;
-
-	result = usb_stor_control_msg(us, us->send_ctrl_pipe,
-		USB_REQ_CLEAR_FEATURE, USB_RECIP_ENDPOINT,
-		USB_ENDPOINT_HALT, endp,
-		NULL, 0, 3*HZ);
-
-	/* reset the endpoint toggle */
-	if (result >= 0)
-		/* usb_settoggle(us->pusb_dev, usb_pipeendpoint(pipe),
-						usb_pipeout(pipe), 0); */
-		usb_reset_endpoint(us->pusb_dev, endp);
-
-	return result;
-}
-
-/*
- * interpret_urb_result()
- */
-static int interpret_urb_result(struct us_data *us, unsigned int pipe,
-		unsigned int length, int result, unsigned int partial)
-{
-	/* pr_info("transport --- interpret_urb_result\n"); */
-	switch (result) {
-	/* no error code; did we send all the data? */
-	case 0:
-		if (partial != length) {
-			/* pr_info("-- short transfer\n"); */
-			return USB_STOR_XFER_SHORT;
-		}
-		/* pr_info("-- transfer complete\n"); */
-		return USB_STOR_XFER_GOOD;
-	case -EPIPE:
-		if (usb_pipecontrol(pipe)) {
-			/* pr_info("-- stall on control pipe\n"); */
-			return USB_STOR_XFER_STALLED;
-		}
-		/* pr_info("clearing endpoint halt for pipe 0x%x\n", pipe); */
-		if (usb_stor_clear_halt(us, pipe) < 0)
-			return USB_STOR_XFER_ERROR;
-		return USB_STOR_XFER_STALLED;
-	case -EOVERFLOW:
-		/* pr_info("-- babble\n"); */
-		return USB_STOR_XFER_LONG;
-	case -ECONNRESET:
-		/* pr_info("-- transfer cancelled\n"); */
-		return USB_STOR_XFER_ERROR;
-	case -EREMOTEIO:
-		/* pr_info("-- short read transfer\n"); */
-		return USB_STOR_XFER_SHORT;
-	case -EIO:
-		/* pr_info("-- abort or disconnect in progress\n"); */
-		return USB_STOR_XFER_ERROR;
-	default:
-		/* pr_info("-- unknown error\n"); */
-		return USB_STOR_XFER_ERROR;
-	}
-}
-
-/*
- * usb_stor_bulk_transfer_buf()
- */
-int usb_stor_bulk_transfer_buf(struct us_data *us, unsigned int pipe,
-	void *buf, unsigned int length, unsigned int *act_len)
-{
-	int result;
-
-	/* pr_info("transport --- usb_stor_bulk_transfer_buf\n"); */
-
-	/* fill and submit the URB */
-	usb_fill_bulk_urb(us->current_urb, us->pusb_dev, pipe, buf,
-				length, usb_stor_blocking_completion, NULL);
-	result = usb_stor_msg_common(us, 0);
-
-	/* store the actual length of the data transferred */
-	if (act_len)
-		*act_len = us->current_urb->actual_length;
-
-	return interpret_urb_result(us, pipe, length, result,
-					us->current_urb->actual_length);
-}
-
-/*
- * usb_stor_bulk_transfer_sglist()
- */
-static int usb_stor_bulk_transfer_sglist(struct us_data *us, unsigned int pipe,
-		struct scatterlist *sg, int num_sg, unsigned int length,
-		unsigned int *act_len)
-{
-	int result;
-
-	/* pr_info("transport --- usb_stor_bulk_transfer_sglist\n"); */
-	if (test_bit(US_FLIDX_ABORTING, &us->dflags))
-		return USB_STOR_XFER_ERROR;
-
-	/* initialize the scatter-gather request block */
-	result = usb_sg_init(&us->current_sg, us->pusb_dev, pipe, 0,
-					sg, num_sg, length, GFP_NOIO);
-	if (result) {
-		/* pr_info("usb_sg_init returned %d\n", result); */
-		return USB_STOR_XFER_ERROR;
-	}
-
-	/* since the block has been initialized successfully,
-					it's now okay to cancel it */
-	set_bit(US_FLIDX_SG_ACTIVE, &us->dflags);
-
-	/* did an abort/disconnect occur during the submission? */
-	if (test_bit(US_FLIDX_ABORTING, &us->dflags)) {
-		/* cancel the request, if it hasn't been cancelled already */
-		if (test_and_clear_bit(US_FLIDX_SG_ACTIVE, &us->dflags)) {
-			/* pr_info("-- cancelling sg request\n"); */
-			usb_sg_cancel(&us->current_sg);
-		}
-	}
-
-	/* wait for the completion of the transfer */
-	usb_sg_wait(&us->current_sg);
-	clear_bit(US_FLIDX_SG_ACTIVE, &us->dflags);
-
-	result = us->current_sg.status;
-	if (act_len)
-		*act_len = us->current_sg.bytes;
-
-	return interpret_urb_result(us, pipe, length,
-					result, us->current_sg.bytes);
-}
-
-/*
- * usb_stor_bulk_srb()
- */
-int usb_stor_bulk_srb(struct us_data *us, unsigned int pipe,
-					struct scsi_cmnd *srb)
-{
-	unsigned int partial;
-	int result = usb_stor_bulk_transfer_sglist(us, pipe, scsi_sglist(srb),
-				      scsi_sg_count(srb), scsi_bufflen(srb),
-				      &partial);
-
-	scsi_set_resid(srb, scsi_bufflen(srb) - partial);
-	return result;
-}
-
-/*
- * usb_stor_bulk_transfer_sg()
- */
-int usb_stor_bulk_transfer_sg(struct us_data *us, unsigned int pipe,
-		void *buf, unsigned int length_left, int use_sg, int *residual)
-{
-	int result;
-	unsigned int partial;
-
-	/* pr_info("transport --- usb_stor_bulk_transfer_sg\n"); */
-	/* are we scatter-gathering? */
-	if (use_sg) {
-		/* use the usb core scatter-gather primitives */
-		result = usb_stor_bulk_transfer_sglist(us, pipe,
-				(struct scatterlist *) buf, use_sg,
-				length_left, &partial);
-		length_left -= partial;
-	} else {
-		/* no scatter-gather, just make the request */
-		result = usb_stor_bulk_transfer_buf(us, pipe, buf,
-							length_left, &partial);
-		length_left -= partial;
-	}
-
-	/* store the residual and return the error code */
-	if (residual)
-		*residual = length_left;
-	return result;
-}
-
-/***********************************************************************
- * Transport routines
- ***********************************************************************/
-/*
- * usb_stor_invoke_transport()
- */
-void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
-{
-	int need_auto_sense;
-	int result;
-
-	/* pr_info("transport --- usb_stor_invoke_transport\n"); */
-	usb_stor_print_cmd(us, srb);
-	/* send the command to the transport layer */
-	scsi_set_resid(srb, 0);
-	result = us->transport(srb, us); /* usb_stor_Bulk_transport; */
-
-	/* if the command gets aborted by the higher layers,
-		we need to short-circuit all other processing */
-	if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
-		/* pr_info("-- command was aborted\n"); */
-		srb->result = DID_ABORT << 16;
-		goto Handle_Errors;
-	}
-
-	/* if there is a transport error, reset and don't auto-sense */
-	if (result == USB_STOR_TRANSPORT_ERROR) {
-		/* pr_info("-- transport indicates error, resetting\n"); */
-		srb->result = DID_ERROR << 16;
-		goto Handle_Errors;
-	}
-
-	/* if the transport provided its own sense data, don't auto-sense */
-	if (result == USB_STOR_TRANSPORT_NO_SENSE) {
-		srb->result = SAM_STAT_CHECK_CONDITION;
-		return;
-	}
-
-	srb->result = SAM_STAT_GOOD;
-
-	/* Determine if we need to auto-sense */
-	need_auto_sense = 0;
-
-	if ((us->protocol == USB_PR_CB || us->protocol == USB_PR_DPCM_USB) &&
-				srb->sc_data_direction != DMA_FROM_DEVICE) {
-		/* pr_info("-- CB transport device requiring auto-sense\n"); */
-		need_auto_sense = 1;
-	}
-
-	if (result == USB_STOR_TRANSPORT_FAILED) {
-		/* pr_info("-- transport indicates command failure\n"); */
-		need_auto_sense = 1;
-	}
-
-	/* Now, if we need to do the auto-sense, let's do it */
-	if (need_auto_sense) {
-		int temp_result;
-		struct scsi_eh_save ses;
-
-		pr_info("Issuing auto-REQUEST_SENSE\n");
-
-		scsi_eh_prep_cmnd(srb, &ses, NULL, 0, US_SENSE_SIZE);
-
-		/* we must do the protocol translation here */
-		if (us->subclass == USB_SC_RBC ||
-			us->subclass == USB_SC_SCSI ||
-			us->subclass == USB_SC_CYP_ATACB) {
-			srb->cmd_len = 6;
-		} else {
-			srb->cmd_len = 12;
-		}
-		/* issue the auto-sense command */
-		scsi_set_resid(srb, 0);
-		temp_result = us->transport(us->srb, us);
-
-		/* let's clean up right away */
-		scsi_eh_restore_cmnd(srb, &ses);
-
-		if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
-			/* pr_info("-- auto-sense aborted\n"); */
-			srb->result = DID_ABORT << 16;
-			goto Handle_Errors;
-		}
-		if (temp_result != USB_STOR_TRANSPORT_GOOD) {
-			/* pr_info("-- auto-sense failure\n"); */
-			srb->result = DID_ERROR << 16;
-			if (!(us->fflags & US_FL_SCM_MULT_TARG))
-				goto Handle_Errors;
-			return;
-		}
-
-		/* set the result so the higher layers expect this data */
-		srb->result = SAM_STAT_CHECK_CONDITION;
-
-		if (result == USB_STOR_TRANSPORT_GOOD &&
-			(srb->sense_buffer[2] & 0xaf) == 0 &&
-			srb->sense_buffer[12] == 0 &&
-			srb->sense_buffer[13] == 0) {
-			srb->result = SAM_STAT_GOOD;
-			srb->sense_buffer[0] = 0x0;
-		}
-	}
-
-	/* Did we transfer less than the minimum amount required? */
-	if (srb->result == SAM_STAT_GOOD && scsi_bufflen(srb) -
-				scsi_get_resid(srb) < srb->underflow)
-		srb->result = (DID_ERROR << 16);
-		/* v02 | (SUGGEST_RETRY << 24); */
-
-	return;
-
-Handle_Errors:
-	scsi_lock(us_to_host(us));
-	set_bit(US_FLIDX_RESETTING, &us->dflags);
-	clear_bit(US_FLIDX_ABORTING, &us->dflags);
-	scsi_unlock(us_to_host(us));
-
-	mutex_unlock(&us->dev_mutex);
-	result = usb_stor_port_reset(us);
-	mutex_lock(&us->dev_mutex);
-
-	if (result < 0) {
-		scsi_lock(us_to_host(us));
-		usb_stor_report_device_reset(us);
-		scsi_unlock(us_to_host(us));
-		us->transport_reset(us);
-	}
-	clear_bit(US_FLIDX_RESETTING, &us->dflags);
-}
-
-/*
- * ENE_stor_invoke_transport()
- */
-void ENE_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us)
-{
-	int result = 0;
-
-	/* pr_info("transport --- ENE_stor_invoke_transport\n"); */
-	usb_stor_print_cmd(us, srb);
-	/* send the command to the transport layer */
-	scsi_set_resid(srb, 0);
-	if (!(us->SM_Status.Ready))
-		result = ENE_InitMedia(us);
-
-	if (us->Power_IsResum == true) {
-		result = ENE_InitMedia(us);
-		us->Power_IsResum = false;
-	}
-
-	if (us->SM_Status.Ready)
-		result = SM_SCSIIrp(us, srb);
-
-	/* if the command gets aborted by the higher layers,
-		we need to short-circuit all other processing */
-	if (test_bit(US_FLIDX_TIMED_OUT, &us->dflags)) {
-		/* pr_info("-- command was aborted\n"); */
-		srb->result = DID_ABORT << 16;
-		goto Handle_Errors;
-	}
-
-	/* if there is a transport error, reset and don't auto-sense */
-	if (result == USB_STOR_TRANSPORT_ERROR) {
-		/* pr_info("-- transport indicates error, resetting\n"); */
-		srb->result = DID_ERROR << 16;
-		goto Handle_Errors;
-	}
-
-	/* if the transport provided its own sense data, don't auto-sense */
-	if (result == USB_STOR_TRANSPORT_NO_SENSE) {
-		srb->result = SAM_STAT_CHECK_CONDITION;
-		return;
-	}
-
-	srb->result = SAM_STAT_GOOD;
-	if (result == USB_STOR_TRANSPORT_FAILED) {
-		/* pr_info("-- transport indicates command failure\n"); */
-		/* need_auto_sense = 1; */
-		BuildSenseBuffer(srb, us->SrbStatus);
-		srb->result = SAM_STAT_CHECK_CONDITION;
-	}
-
-	/* Did we transfer less than the minimum amount required? */
-	if (srb->result == SAM_STAT_GOOD && scsi_bufflen(srb) -
-					scsi_get_resid(srb) < srb->underflow)
-		srb->result = (DID_ERROR << 16);
-		/* v02 | (SUGGEST_RETRY << 24); */
-
-	return;
-
-Handle_Errors:
-	scsi_lock(us_to_host(us));
-	set_bit(US_FLIDX_RESETTING, &us->dflags);
-	clear_bit(US_FLIDX_ABORTING, &us->dflags);
-	scsi_unlock(us_to_host(us));
-
-	mutex_unlock(&us->dev_mutex);
-	result = usb_stor_port_reset(us);
-	mutex_lock(&us->dev_mutex);
-
-	if (result < 0) {
-		scsi_lock(us_to_host(us));
-		usb_stor_report_device_reset(us);
-		scsi_unlock(us_to_host(us));
-		us->transport_reset(us);
-	}
-	clear_bit(US_FLIDX_RESETTING, &us->dflags);
-}
-
-/*
- * BuildSenseBuffer()
- */
-void BuildSenseBuffer(struct scsi_cmnd *srb, int SrbStatus)
-{
-	u8    *buf = srb->sense_buffer;
-	u8    asc;
-
-	pr_info("transport --- BuildSenseBuffer\n");
-	switch (SrbStatus) {
-	case SS_NOT_READY:
-		asc = 0x3a;
-		break;  /*  sense key = 0x02 */
-	case SS_MEDIUM_ERR:
-		asc = 0x0c;
-		break;  /*  sense key = 0x03 */
-	case SS_ILLEGAL_REQUEST:
-		asc = 0x20;
-		break;  /*  sense key = 0x05 */
-	default:
-		asc = 0x00;
-		break;  /*  ?? */
-	}
-
-	memset(buf, 0, 18);
-	buf[0x00] = 0xf0;
-	buf[0x02] = SrbStatus;
-	buf[0x07] = 0x0b;
-	buf[0x0c] = asc;
-}
-
-/*
- * usb_stor_stop_transport()
- */
-void usb_stor_stop_transport(struct us_data *us)
-{
-	/* pr_info("transport --- usb_stor_stop_transport\n"); */
-
-	if (test_and_clear_bit(US_FLIDX_URB_ACTIVE, &us->dflags)) {
-		/* pr_info("-- cancelling URB\n"); */
-		usb_unlink_urb(us->current_urb);
-	}
-
-	if (test_and_clear_bit(US_FLIDX_SG_ACTIVE, &us->dflags)) {
-		/* pr_info("-- cancelling sg request\n"); */
-		usb_sg_cancel(&us->current_sg);
-	}
-}
-
-/*
- * usb_stor_Bulk_max_lun()
- */
-int usb_stor_Bulk_max_lun(struct us_data *us)
-{
-	int result;
-
-	/* pr_info("transport --- usb_stor_Bulk_max_lun\n"); */
-	/* issue the command */
-	us->iobuf[0] = 0;
-	result = usb_stor_control_msg(us, us->recv_ctrl_pipe,
-				 US_BULK_GET_MAX_LUN,
-				 USB_DIR_IN | USB_TYPE_CLASS |
-				 USB_RECIP_INTERFACE,
-				 0, us->ifnum, us->iobuf, 1, HZ);
-
-	/* pr_info("GetMaxLUN command result is %d, data is %d\n",
-						result, us->iobuf[0]); */
-
-	/* if we have a successful request, return the result */
-	if (result > 0)
-		return us->iobuf[0];
-
-	return 0;
-}
-
-/*
- * usb_stor_Bulk_transport()
- */
-int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us)
-{
-	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
-	struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;
-	unsigned int transfer_length = scsi_bufflen(srb);
-	unsigned int residue;
-	int result;
-	int fake_sense = 0;
-	unsigned int cswlen;
-	unsigned int cbwlen = US_BULK_CB_WRAP_LEN;
-
-	/* pr_info("transport --- usb_stor_Bulk_transport\n"); */
-	/* Take care of BULK32 devices; set extra byte to 0 */
-	if (unlikely(us->fflags & US_FL_BULK32)) {
-		cbwlen = 32;
-		us->iobuf[31] = 0;
-	}
-
-	/* set up the command wrapper */
-	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
-	bcb->DataTransferLength = cpu_to_le32(transfer_length);
-	bcb->Flags = srb->sc_data_direction == DMA_FROM_DEVICE ? 1 << 7 : 0;
-	bcb->Tag = ++us->tag;
-	bcb->Lun = srb->device->lun;
-	if (us->fflags & US_FL_SCM_MULT_TARG)
-		bcb->Lun |= srb->device->id << 4;
-	bcb->Length = srb->cmd_len;
-
-	/* copy the command payload */
-	memset(bcb->CDB, 0, sizeof(bcb->CDB));
-	memcpy(bcb->CDB, srb->cmnd, bcb->Length);
-
-	/*  send command */
-	/* send it to out endpoint */
-	/* pr_info("Bulk Command S 0x%x T 0x%x L %d F %d Trg %d LUN %d CL %d\n",
-			le32_to_cpu(bcb->Signature), bcb->Tag,
-			le32_to_cpu(bcb->DataTransferLength), bcb->Flags,
-			(bcb->Lun >> 4), (bcb->Lun & 0x0F),
-			bcb->Length); */
-	result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
-						bcb, cbwlen, NULL);
-	/* pr_info("Bulk command transfer result=%d\n", result); */
-	if (result != USB_STOR_XFER_GOOD)
-		return USB_STOR_TRANSPORT_ERROR;
-
-	if (unlikely(us->fflags & US_FL_GO_SLOW))
-		udelay(125);
-
-	/*  R/W data */
-	if (transfer_length) {
-		unsigned int pipe;
-
-		if (srb->sc_data_direction == DMA_FROM_DEVICE)
-			pipe = us->recv_bulk_pipe;
-		else
-			pipe = us->send_bulk_pipe;
-
-		result = usb_stor_bulk_srb(us, pipe, srb);
-		/* pr_info("Bulk data transfer result 0x%x\n", result); */
-		if (result == USB_STOR_XFER_ERROR)
-			return USB_STOR_TRANSPORT_ERROR;
-
-		if (result == USB_STOR_XFER_LONG)
-			fake_sense = 1;
-	}
-
-	/* get CSW for device status */
-	/* pr_info("Attempting to get CSW...\n"); */
-	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
-						US_BULK_CS_WRAP_LEN, &cswlen);
-
-	if (result == USB_STOR_XFER_SHORT && cswlen == 0) {
-		/* pr_info("Received 0-length CSW; retrying...\n"); */
-		result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
-						US_BULK_CS_WRAP_LEN, &cswlen);
-	}
-
-	/* did the attempt to read the CSW fail? */
-	if (result == USB_STOR_XFER_STALLED) {
-		/* get the status again */
-		/* pr_info("Attempting to get CSW (2nd try)...\n"); */
-		result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
-						US_BULK_CS_WRAP_LEN, NULL);
-	}
-
-	/* if we still have a failure at this point, we're in trouble */
-	/* pr_info("Bulk status result = %d\n", result); */
-	if (result != USB_STOR_XFER_GOOD)
-		return USB_STOR_TRANSPORT_ERROR;
-
-	/* check bulk status */
-	residue = le32_to_cpu(bcs->Residue);
-	/* pr_info("Bulk Status S 0x%x T 0x%x R %u Stat 0x%x\n",
-				le32_to_cpu(bcs->Signature),
-				bcs->Tag, residue, bcs->Status); */
-	if (!(bcs->Tag == us->tag ||
-		(us->fflags & US_FL_BULK_IGNORE_TAG)) ||
-		bcs->Status > US_BULK_STAT_PHASE) {
-		/* pr_info("Bulk logical error\n"); */
-		return USB_STOR_TRANSPORT_ERROR;
-	}
-
-	if (!us->bcs_signature) {
-		us->bcs_signature = bcs->Signature;
-		/* if (us->bcs_signature != cpu_to_le32(US_BULK_CS_SIGN)) */
-		/* pr_info("Learnt BCS signature 0x%08X\n",
-				le32_to_cpu(us->bcs_signature)); */
-	} else if (bcs->Signature != us->bcs_signature) {
-		/* pr_info("Signature mismatch: got %08X, expecting %08X\n",
-			  le32_to_cpu(bcs->Signature),
-			  le32_to_cpu(us->bcs_signature)); */
-		return USB_STOR_TRANSPORT_ERROR;
-	}
-
-	/* try to compute the actual residue, based on how much data
-	 * was really transferred and what the device tells us */
-	if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) {
-
-		/* Heuristically detect devices that generate bogus residues
-		 * by seeing what happens with INQUIRY and READ CAPACITY
-		 * commands.
-		 */
-		if (bcs->Status == US_BULK_STAT_OK &&
-				scsi_get_resid(srb) == 0 &&
-					((srb->cmnd[0] == INQUIRY &&
-						transfer_length == 36) ||
-					(srb->cmnd[0] == READ_CAPACITY &&
-						transfer_length == 8))) {
-			us->fflags |= US_FL_IGNORE_RESIDUE;
-
-		} else {
-			residue = min(residue, transfer_length);
-			scsi_set_resid(srb, max_t(int, scsi_get_resid(srb),
-							residue));
-		}
-	}
-
-	/* based on the status code, we report good or bad */
-	switch (bcs->Status) {
-	case US_BULK_STAT_OK:
-		if (fake_sense) {
-			memcpy(srb->sense_buffer, usb_stor_sense_invalidCDB,
-					sizeof(usb_stor_sense_invalidCDB));
-			return USB_STOR_TRANSPORT_NO_SENSE;
-		}
-		return USB_STOR_TRANSPORT_GOOD;
-
-	case US_BULK_STAT_FAIL:
-		return USB_STOR_TRANSPORT_FAILED;
-
-	case US_BULK_STAT_PHASE:
-		return USB_STOR_TRANSPORT_ERROR;
-	}
-	return USB_STOR_TRANSPORT_ERROR;
-}
-
-/***********************************************************************
- * Reset routines
- ***********************************************************************/
-/*
- * usb_stor_reset_common()
- */
-static int usb_stor_reset_common(struct us_data *us,
-		u8 request, u8 requesttype,
-		u16 value, u16 index, void *data, u16 size)
-{
-	int result;
-	int result2;
-
-	/* pr_info("transport --- usb_stor_reset_common\n"); */
-	if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags)) {
-		/* pr_info("No reset during disconnect\n"); */
-		return -EIO;
-	}
-
-	result = usb_stor_control_msg(us, us->send_ctrl_pipe,
-			request, requesttype, value, index, data, size,	5*HZ);
-
-	if (result < 0) {
-		/* pr_info("Soft reset failed: %d\n", result); */
-		return result;
-	}
-
-	wait_event_interruptible_timeout(us->delay_wait,
-			test_bit(US_FLIDX_DISCONNECTING, &us->dflags),	HZ*6);
-
-	if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags)) {
-		/* pr_info("Reset interrupted by disconnect\n"); */
-		return -EIO;
-	}
-
-	/* pr_info("Soft reset: clearing bulk-in endpoint halt\n"); */
-	result = usb_stor_clear_halt(us, us->recv_bulk_pipe);
-
-	/* pr_info("Soft reset: clearing bulk-out endpoint halt\n"); */
-	result2 = usb_stor_clear_halt(us, us->send_bulk_pipe);
-
-	/* return a result code based on the result of the clear-halts */
-	if (result >= 0)
-		result = result2;
-	/* if (result < 0) */
-		/* pr_info("Soft reset failed\n"); */
-	/* else */
-		/* pr_info("Soft reset done\n"); */
-	return result;
-}
-
-/*
- * usb_stor_Bulk_reset()
- */
-int usb_stor_Bulk_reset(struct us_data *us)
-{
-	/* pr_info("transport --- usb_stor_Bulk_reset\n"); */
-	return usb_stor_reset_common(us, US_BULK_RESET_REQUEST,
-				 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-				 0, us->ifnum, NULL, 0);
-}
-
-/*
- * usb_stor_port_reset()
- */
-int usb_stor_port_reset(struct us_data *us)
-{
-	int result;
-
-	/* pr_info("transport --- usb_stor_port_reset\n"); */
-	result = usb_lock_device_for_reset(us->pusb_dev, us->pusb_intf);
-	if (result < 0)
-		pr_info("unable to lock device for reset: %d\n", result);
-	else {
-		/* Were we disconnected while waiting for the lock? */
-		if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags)) {
-			result = -EIO;
-			/* pr_info("No reset during disconnect\n"); */
-		} else {
-			result = usb_reset_device(us->pusb_dev);
-			/* pr_info("usb_reset_composite_device returns %d\n",
-								result); */
-		}
-		usb_unlock_device(us->pusb_dev);
-	}
-	return result;
-}
-
-