diff options
-rw-r--r-- | drivers/usb/storage/uas.c | 90 |
1 files changed, 15 insertions, 75 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 8ec8a6e66f5..f98ba40352c 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -58,9 +58,6 @@ enum { SUBMIT_DATA_OUT_URB = (1 << 5), ALLOC_CMD_URB = (1 << 6), SUBMIT_CMD_URB = (1 << 7), - COMPLETED_DATA_IN = (1 << 8), - COMPLETED_DATA_OUT = (1 << 9), - DATA_COMPLETES_CMD = (1 << 10), }; /* Overrides scsi_pointer */ @@ -114,7 +111,6 @@ static void uas_sense(struct urb *urb, struct scsi_cmnd *cmnd) { struct sense_iu *sense_iu = urb->transfer_buffer; struct scsi_device *sdev = cmnd->device; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; if (urb->actual_length > 16) { unsigned len = be16_to_cpup(&sense_iu->len); @@ -132,15 +128,13 @@ static void uas_sense(struct urb *urb, struct scsi_cmnd *cmnd) } cmnd->result = sense_iu->status; - if (!(cmdinfo->state & DATA_COMPLETES_CMD)) - cmnd->scsi_done(cmnd); + cmnd->scsi_done(cmnd); } static void uas_sense_old(struct urb *urb, struct scsi_cmnd *cmnd) { struct sense_iu_old *sense_iu = urb->transfer_buffer; struct scsi_device *sdev = cmnd->device; - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; if (urb->actual_length > 8) { unsigned len = be16_to_cpup(&sense_iu->len) - 2; @@ -158,8 +152,7 @@ static void uas_sense_old(struct urb *urb, struct scsi_cmnd *cmnd) } cmnd->result = sense_iu->status; - if (!(cmdinfo->state & DATA_COMPLETES_CMD)) - cmnd->scsi_done(cmnd); + cmnd->scsi_done(cmnd); } static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd, @@ -184,7 +177,6 @@ static void uas_stat_cmplt(struct urb *urb) struct Scsi_Host *shost = urb->context; struct uas_dev_info *devinfo = (void *)shost->hostdata[0]; struct scsi_cmnd *cmnd; - struct uas_cmd_info *cmdinfo; u16 tag; int ret; @@ -210,32 +202,12 @@ static void uas_stat_cmplt(struct urb *urb) dev_err(&urb->dev->dev, "failed submit status urb\n"); return; } - cmdinfo = (void *)&cmnd->SCp; switch (iu->iu_id) { case IU_ID_STATUS: if (devinfo->cmnd == cmnd) devinfo->cmnd = NULL; - if (!(cmdinfo->state & COMPLETED_DATA_IN) && - cmdinfo->data_in_urb) { - if (devinfo->use_streams) { - cmdinfo->state |= DATA_COMPLETES_CMD; - usb_unlink_urb(cmdinfo->data_in_urb); - } else { - usb_free_urb(cmdinfo->data_in_urb); - } - } - if (!(cmdinfo->state & COMPLETED_DATA_OUT) && - cmdinfo->data_out_urb) { - if (devinfo->use_streams) { - cmdinfo->state |= DATA_COMPLETES_CMD; - usb_unlink_urb(cmdinfo->data_in_urb); - } else { - usb_free_urb(cmdinfo->data_out_urb); - } - } - if (urb->actual_length < 16) devinfo->uas_sense_old = 1; if (devinfo->uas_sense_old) @@ -264,59 +236,27 @@ static void uas_stat_cmplt(struct urb *urb) dev_err(&urb->dev->dev, "failed submit status urb\n"); } -static void uas_data_out_cmplt(struct urb *urb) -{ - struct scsi_cmnd *cmnd = urb->context; - struct scsi_data_buffer *sdb = scsi_out(cmnd); - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; - - cmdinfo->state |= COMPLETED_DATA_OUT; - - sdb->resid = sdb->length - urb->actual_length; - usb_free_urb(urb); - - if (cmdinfo->state & DATA_COMPLETES_CMD) - cmnd->scsi_done(cmnd); -} - -static void uas_data_in_cmplt(struct urb *urb) +static void uas_data_cmplt(struct urb *urb) { - struct scsi_cmnd *cmnd = urb->context; - struct scsi_data_buffer *sdb = scsi_in(cmnd); - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; - - cmdinfo->state |= COMPLETED_DATA_IN; - + struct scsi_data_buffer *sdb = urb->context; sdb->resid = sdb->length - urb->actual_length; usb_free_urb(urb); - - if (cmdinfo->state & DATA_COMPLETES_CMD) - cmnd->scsi_done(cmnd); } static struct urb *uas_alloc_data_urb(struct uas_dev_info *devinfo, gfp_t gfp, - unsigned int pipe, struct scsi_cmnd *cmnd, - enum dma_data_direction dir) + unsigned int pipe, u16 stream_id, + struct scsi_data_buffer *sdb, + enum dma_data_direction dir) { - struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; struct usb_device *udev = devinfo->udev; struct urb *urb = usb_alloc_urb(0, gfp); - struct scsi_data_buffer *sdb; - usb_complete_t complete_fn; - u16 stream_id = cmdinfo->stream; if (!urb) goto out; - if (dir == DMA_FROM_DEVICE) { - sdb = scsi_in(cmnd); - complete_fn = uas_data_in_cmplt; - } else { - sdb = scsi_out(cmnd); - complete_fn = uas_data_out_cmplt; - } - usb_fill_bulk_urb(urb, udev, pipe, NULL, sdb->length, - complete_fn, cmnd); - urb->stream_id = stream_id; + usb_fill_bulk_urb(urb, udev, pipe, NULL, sdb->length, uas_data_cmplt, + sdb); + if (devinfo->use_streams) + urb->stream_id = stream_id; urb->num_sgs = udev->bus->sg_tablesize ? sdb->table.nents : 0; urb->sg = sdb->table.sgl; out: @@ -418,8 +358,8 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (cmdinfo->state & ALLOC_DATA_IN_URB) { cmdinfo->data_in_urb = uas_alloc_data_urb(devinfo, gfp, - devinfo->data_in_pipe, cmnd, - DMA_FROM_DEVICE); + devinfo->data_in_pipe, cmdinfo->stream, + scsi_in(cmnd), DMA_FROM_DEVICE); if (!cmdinfo->data_in_urb) return SCSI_MLQUEUE_DEVICE_BUSY; cmdinfo->state &= ~ALLOC_DATA_IN_URB; @@ -436,8 +376,8 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, if (cmdinfo->state & ALLOC_DATA_OUT_URB) { cmdinfo->data_out_urb = uas_alloc_data_urb(devinfo, gfp, - devinfo->data_out_pipe, cmnd, - DMA_TO_DEVICE); + devinfo->data_out_pipe, cmdinfo->stream, + scsi_out(cmnd), DMA_TO_DEVICE); if (!cmdinfo->data_out_urb) return SCSI_MLQUEUE_DEVICE_BUSY; cmdinfo->state &= ~ALLOC_DATA_OUT_URB; |