linux-kernel - [PATCH 4.19 07/95] usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c

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Date:   Mon,  4 Oct 2021 14:51:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Alan Stern <stern@...land.harvard.edu>,
        Ondrej Zary <linux@...y.sk>
Subject: [PATCH 4.19 07/95] usb-storage: Add quirk for ScanLogic SL11R-IDE older than 2.6c

From: Ondrej Zary <linux@...y.sk>

commit b55d37ef6b7db3eda9b4495a8d9b0a944ee8c67d upstream.

ScanLogic SL11R-IDE with firmware older than 2.6c (the latest one) has
broken tag handling, preventing the device from working at all:
usb 1-1: new full-speed USB device number 2 using uhci_hcd
usb 1-1: New USB device found, idVendor=04ce, idProduct=0002, bcdDevice= 2.60
usb 1-1: New USB device strings: Mfr=1, Product=1, SerialNumber=0
usb 1-1: Product: USB Device
usb 1-1: Manufacturer: USB Device
usb-storage 1-1:1.0: USB Mass Storage device detected
scsi host2: usb-storage 1-1:1.0
usbcore: registered new interface driver usb-storage
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd
usb 1-1: reset full-speed USB device number 2 using uhci_hcd

Add US_FL_BULK_IGNORE_TAG to fix it. Also update my e-mail address.

2.6c is the only firmware that claims Linux compatibility.
The firmware can be upgraded using ezotgdbg utility:
https://github.com/asciilifeform/ezotgdbg

Acked-by: Alan Stern <stern@...land.harvard.edu>
Signed-off-by: Ondrej Zary <linux@...y.sk>
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20210913210106.12717-1-linux@zary.sk
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/storage/unusual_devs.h |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -416,9 +416,16 @@ UNUSUAL_DEV(  0x04cb, 0x0100, 0x0000, 0x
 		USB_SC_UFI, USB_PR_DEVICE, NULL, US_FL_FIX_INQUIRY | US_FL_SINGLE_LUN),
 
 /*
- * Reported by Ondrej Zary <linux@...nbow-software.org>
+ * Reported by Ondrej Zary <linux@...y.sk>
  * The device reports one sector more and breaks when that sector is accessed
+ * Firmwares older than 2.6c (the latest one and the only that claims Linux
+ * support) have also broken tag handling
  */
+UNUSUAL_DEV(  0x04ce, 0x0002, 0x0000, 0x026b,
+		"ScanLogic",
+		"SL11R-IDE",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY | US_FL_BULK_IGNORE_TAG),
 UNUSUAL_DEV(  0x04ce, 0x0002, 0x026c, 0x026c,
 		"ScanLogic",
 		"SL11R-IDE",