linux-kernel - [PATCH 4.9 14/42] usb-storage: Add ignore-residue quirk for NXP PN7462AU

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Message-Id: <20220913140342.997939573@linuxfoundation.org>
Date:   Tue, 13 Sep 2022 16:07:45 +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>,
        stable <stable@...nel.org>,
        Witold Lipieta <witold.lipieta@...umatec.com>
Subject: [PATCH 4.9 14/42] usb-storage: Add ignore-residue quirk for NXP PN7462AU

From: Witold Lipieta <witold.lipieta@...umatec.com>

commit 2aa48857ad52236a9564c71183d6cc8893becd41 upstream.

This is USB mass storage primary boot loader for code download on
NXP PN7462AU.

Without the quirk it is impossible to write whole memory at once as
device restarts during the write due to bogus residue values reported.

Acked-by: Alan Stern <stern@...land.harvard.edu>
Cc: stable <stable@...nel.org>
Signed-off-by: Witold Lipieta <witold.lipieta@...umatec.com>
Link: https://lore.kernel.org/r/20220809112911.462776-1-witold.lipieta@thaumatec.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/storage/unusual_devs.h |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2301,6 +2301,13 @@ UNUSUAL_DEV( 0x1e74, 0x4621, 0x0000, 0x0
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_BULK_IGNORE_TAG | US_FL_MAX_SECTORS_64 ),
 
+/* Reported by Witold Lipieta <witold.lipieta@...umatec.com> */
+UNUSUAL_DEV( 0x1fc9, 0x0117, 0x0100, 0x0100,
+		"NXP Semiconductors",
+		"PN7462AU",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_IGNORE_RESIDUE ),
+
 /* Supplied with some Castlewood ORB removable drives */
 UNUSUAL_DEV(  0x2027, 0xa001, 0x0000, 0x9999,
 		"Double-H Technology",