X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fusb%2Fstorage%2Fcypress_atacb.c;h=7341ce22d0f29a802b41923eae27378d1831a555;hp=c8447182118374b62ef78f5bcf1b27c26b41a5f9;hb=8bc91d462570df465937a516c721ff0f4ae0e0ed;hpb=049da6393fb30b62e418beb59a74dfcad513fc6d

diff --git a/drivers/usb/storage/cypress_atacb.c b/drivers/usb/storage/cypress_atacb.c
index c84471821183..7341ce22d0f2 100644
--- a/drivers/usb/storage/cypress_atacb.c
+++ b/drivers/usb/storage/cypress_atacb.c
@@ -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;