diff options
Diffstat (limited to 'drivers/usb/storage/cypress_atacb.c')
| -rw-r--r-- | drivers/usb/storage/cypress_atacb.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c index 070b5c0ebbf..8514a2d82b7 100644 --- a/drivers/usb/storage/cypress_atacb.c +++ b/drivers/usb/storage/cypress_atacb.c @@ -159,7 +159,7 @@ static void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) if (srb->result == SAM_STAT_CHECK_CONDITION && memcmp(srb->sense_buffer, usb_stor_sense_invalidCDB, sizeof(usb_stor_sense_invalidCDB)) == 0) { - US_DEBUGP("cypress atacb not supported ???\n"); + usb_stor_dbg(us, "cypress atacb not supported ???\n"); goto end; } @@ -248,14 +248,26 @@ static int cypress_probe(struct usb_interface *intf, { struct us_data *us; int result; + struct usb_device *device; result = usb_stor_probe1(&us, intf, id, (id - cypress_usb_ids) + cypress_unusual_dev_list); if (result) return result; - us->protocol_name = "Transparent SCSI with Cypress ATACB"; - us->proto_handler = cypress_atacb_passthrough; + /* Among CY7C68300 chips, the A revision does not support Cypress ATACB + * Filter out this revision from EEPROM default descriptor values + */ + device = interface_to_usbdev(intf); + if (device->descriptor.iManufacturer != 0x38 || + device->descriptor.iProduct != 0x4e || + device->descriptor.iSerialNumber != 0x64) { + us->protocol_name = "Transparent SCSI with Cypress ATACB"; + us->proto_handler = cypress_atacb_passthrough; + } else { + us->protocol_name = "Transparent SCSI"; + us->proto_handler = usb_stor_transparent_scsi_command; + } result = usb_stor_probe2(us); return result; |