diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/storage/scsiglue.c | 12 | ||||
| -rw-r--r-- | drivers/usb/storage/unusual_devs.h | 16 | ||||
| -rw-r--r-- | drivers/usb/storage/usb.h | 4 |
3 files changed, 19 insertions, 13 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index 4ef5527028c..e5cd3df87e8 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -111,13 +111,11 @@ static int slave_configure(struct scsi_device *sdev) if (sdev->scsi_level < SCSI_2) sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2; - /* According to the technical support people at Genesys Logic, - * devices using their chips have problems transferring more than - * 32 KB at a time. In practice people have found that 64 KB - * works okay and that's what Windows does. But we'll be - * conservative; people can always use the sysfs interface to - * increase max_sectors. */ - if (le16_to_cpu(us->pusb_dev->descriptor.idVendor) == USB_VENDOR_ID_GENESYS && + /* Many devices have trouble transfering more than 32KB at a time, + * while others have trouble with more than 64K. At this time we + * are limiting both to 32K (64 sectores). + */ + if ((us->flags & US_FL_MAX_SECTORS_64) && sdev->request_queue->max_sectors > 64) blk_queue_max_sectors(sdev->request_queue, 64); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index ea5f5e2a275..7cc0d73955e 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -716,18 +716,22 @@ UNUSUAL_DEV( 0x05dc, 0xb002, 0x0000, 0x0113, * They were originally reported by Alexander Oltu * <alexander@all-2.com> and Peter Marks <peter.marks@turner.com> * respectively. + * + * US_FL_GO_SLOW and US_FL_MAX_SECTORS_64 added by Phil Dibowitz + * <phil@ipom.com> as these flags were made and hard-coded + * special-cases were pulled from scsiglue.c. */ UNUSUAL_DEV( 0x05e3, 0x0701, 0x0000, 0xffff, "Genesys Logic", "USB to IDE Optical", US_SC_DEVICE, US_PR_DEVICE, NULL, - US_FL_GO_SLOW ), + US_FL_GO_SLOW | US_FL_MAX_SECTORS_64 ), UNUSUAL_DEV( 0x05e3, 0x0702, 0x0000, 0xffff, "Genesys Logic", "USB to IDE Disk", US_SC_DEVICE, US_PR_DEVICE, NULL, - US_FL_GO_SLOW ), + US_FL_GO_SLOW | US_FL_MAX_SECTORS_64 ), /* Reported by Hanno Boeck <hanno@gmx.de> * Taken from the Lycoris Kernel */ @@ -1204,6 +1208,14 @@ UNUSUAL_DEV( 0x0ea0, 0x6828, 0x0110, 0x0110, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Reported by Benjamin Schiller <sbenni@gmx.de> + * It is also sold by Easylite as DJ 20 */ +UNUSUAL_DEV( 0x0ed1, 0x7636, 0x0103, 0x0103, + "Typhoon", + "My DJ 1820", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_RESIDUE | US_FL_GO_SLOW | US_FL_MAX_SECTORS_64), + /* Reported by Michael Stattmann <michael@stattmann.com> */ UNUSUAL_DEV( 0x0fce, 0xd008, 0x0000, 0x0000, "Sony Ericsson", diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index 7259fd1f6b0..ffb1bb27cba 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -175,8 +175,4 @@ extern void fill_inquiry_response(struct us_data *us, #define scsi_unlock(host) spin_unlock_irq(host->host_lock) #define scsi_lock(host) spin_lock_irq(host->host_lock) - -/* Vendor ID list for devices that require special handling */ -#define USB_VENDOR_ID_GENESYS 0x05e3 /* Genesys Logic */ - #endif |