diff options
Diffstat (limited to 'drivers/usb/storage')
| -rw-r--r-- | drivers/usb/storage/ene_ub6250.c | 2 | ||||
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 17 | ||||
| -rw-r--r-- | drivers/usb/storage/transport.c | 3 | ||||
| -rw-r--r-- | drivers/usb/storage/uas.c | 31 | ||||
| -rw-r--r-- | drivers/usb/storage/unusual_uas.h | 7 |
5 files changed, 21 insertions, 39 deletions
diff --git a/drivers/usb/storage/ene_ub6250.c b/drivers/usb/storage/ene_ub6250.c index 8b1b73065421..98c1aa594e6c 100644 --- a/drivers/usb/storage/ene_ub6250.c +++ b/drivers/usb/storage/ene_ub6250.c @@ -561,7 +561,7 @@ static int ene_send_scsi_cmd(struct us_data *us, u8 fDir, void *buf, int use_sg) residue = min(residue, transfer_length); if (us->srb != NULL) scsi_set_resid(us->srb, max(scsi_get_resid(us->srb), - (int)residue)); + residue)); } if (bcs->Status != US_BULK_STAT_OK) diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 6737fab94959..f4c2359abb1b 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -68,7 +68,6 @@ static const char* host_info(struct Scsi_Host *host) static int slave_alloc (struct scsi_device *sdev) { struct us_data *us = host_to_us(sdev->host); - int maxp; /* * Set the INQUIRY transfer length to 36. We don't use any of @@ -78,15 +77,6 @@ static int slave_alloc (struct scsi_device *sdev) sdev->inquiry_len = 36; /* - * USB has unusual scatter-gather requirements: the length of each - * scatterlist element except the last must be divisible by the - * Bulk maxpacket value. Fortunately this value is always a - * power of 2. Inform the block layer about this requirement. - */ - maxp = usb_maxpacket(us->pusb_dev, us->recv_bulk_pipe, 0); - blk_queue_virt_boundary(sdev->request_queue, maxp - 1); - - /* * Some host controllers may have alignment requirements. * We'll play it safe by requiring 512-byte alignment always. */ @@ -145,7 +135,8 @@ static int slave_configure(struct scsi_device *sdev) * For such controllers we need to make sure the block layer sets * up bounce buffers in addressable memory. */ - if (!hcd_uses_dma(bus_to_hcd(us->pusb_dev->bus))) + if (!hcd_uses_dma(bus_to_hcd(us->pusb_dev->bus)) || + (bus_to_hcd(us->pusb_dev->bus)->localmem_pool != NULL)) blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_HIGH); /* @@ -379,8 +370,8 @@ static int queuecommand_lck(struct scsi_cmnd *srb, /* check for state-transition errors */ if (us->srb != NULL) { - printk(KERN_ERR "usb-storage: Error in %s: us->srb = %p\n", - __func__, us->srb); + dev_err(&us->pusb_intf->dev, + "Error in %s: us->srb = %p\n", __func__, us->srb); return SCSI_MLQUEUE_HOST_BUSY; } diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 96cb0409dd89..238a8088e17f 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -1284,8 +1284,7 @@ int usb_stor_Bulk_transport(struct scsi_cmnd *srb, struct us_data *us) } else { residue = min(residue, transfer_length); - scsi_set_resid(srb, max(scsi_get_resid(srb), - (int) residue)); + scsi_set_resid(srb, max(scsi_get_resid(srb), residue)); } } diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index bf80d6f81f58..95bba3ba6ac6 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -789,30 +789,10 @@ static int uas_slave_alloc(struct scsi_device *sdev) { struct uas_dev_info *devinfo = (struct uas_dev_info *)sdev->host->hostdata; - int maxp; sdev->hostdata = devinfo; /* - * We have two requirements here. We must satisfy the requirements - * of the physical HC and the demands of the protocol, as we - * definitely want no additional memory allocation in this path - * ruling out using bounce buffers. - * - * For a transmission on USB to continue we must never send - * a package that is smaller than maxpacket. Hence the length of each - * scatterlist element except the last must be divisible by the - * Bulk maxpacket value. - * If the HC does not ensure that through SG, - * the upper layer must do that. We must assume nothing - * about the capabilities off the HC, so we use the most - * pessimistic requirement. - */ - - maxp = usb_maxpacket(devinfo->udev, devinfo->data_in_pipe, 0); - blk_queue_virt_boundary(sdev->request_queue, maxp - 1); - - /* * The protocol has no requirements on alignment in the strict sense. * Controllers may or may not have alignment restrictions. * As this is not exported, we use an extremely conservative guess. @@ -845,6 +825,10 @@ static int uas_slave_configure(struct scsi_device *sdev) sdev->wce_default_on = 1; } + /* Some disks cannot handle READ_CAPACITY_16 */ + if (devinfo->flags & US_FL_NO_READ_CAPACITY_16) + sdev->no_read_capacity_16 = 1; + /* * Some disks return the total number of blocks in response * to READ CAPACITY rather than the highest block number. @@ -854,6 +838,12 @@ static int uas_slave_configure(struct scsi_device *sdev) sdev->fix_capacity = 1; /* + * in some cases we have to guess + */ + if (devinfo->flags & US_FL_CAPACITY_HEURISTICS) + sdev->guess_capacity = 1; + + /* * Some devices don't like MODE SENSE with page=0x3f, * which is the command used for checking if a device * is write-protected. Now that we tell the sd driver @@ -879,7 +869,6 @@ static struct scsi_host_template uas_host_template = { .eh_abort_handler = uas_eh_abort_handler, .eh_device_reset_handler = uas_eh_device_reset_handler, .this_id = -1, - .sg_tablesize = SG_NONE, .skip_settle_delay = 1, .dma_boundary = PAGE_SIZE - 1, }; diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h index d0bdebd87ce3..1b23741036ee 100644 --- a/drivers/usb/storage/unusual_uas.h +++ b/drivers/usb/storage/unusual_uas.h @@ -87,12 +87,15 @@ UNUSUAL_DEV(0x2537, 0x1068, 0x0000, 0x9999, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_IGNORE_UAS), -/* Reported-by: Takeo Nakayama <javhera@gmx.com> */ +/* + * Initially Reported-by: Takeo Nakayama <javhera@gmx.com> + * UAS Ignore Reported by Steven Ellis <sellis@redhat.com> + */ UNUSUAL_DEV(0x357d, 0x7788, 0x0000, 0x9999, "JMicron", "JMS566", USB_SC_DEVICE, USB_PR_DEVICE, NULL, - US_FL_NO_REPORT_OPCODES), + US_FL_NO_REPORT_OPCODES | US_FL_IGNORE_UAS), /* Reported-by: Hans de Goede <hdegoede@redhat.com> */ UNUSUAL_DEV(0x4971, 0x1012, 0x0000, 0x9999, |
