linux-kernel - [PATCH 4.2.y-ckt 127/305] USB: serial: Another Infineon flash loader USB ID

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Date:	Fri, 15 Jan 2016 15:59:01 -0800
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Jonas Jonsson <jonas@...d.ltu.se>, Johan Hovold <johan@...nel.org>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 4.2.y-ckt 127/305] USB: serial: Another Infineon flash loader USB ID

4.2.8-ckt2 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Jonas Jonsson <jonas@...d.ltu.se>

commit a0e80fbd56b4573de997c9a088a33abbc1121400 upstream.

The flash loader has been seen on a Telit UE910 modem. The flash loader
is a bit special, it presents both an ACM and CDC Data interface but
only the latter is useful. Unless a magic string is sent to the device
it will disappear and the regular modem device appears instead.

Signed-off-by: Jonas Jonsson <jonas@...d.ltu.se>
Tested-by: Daniele Palmas <dnlplm@...il.com>
Signed-off-by: Johan Hovold <johan@...nel.org>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/usb/serial/usb-serial-simple.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c
index 3658662..a204782 100644
--- a/drivers/usb/serial/usb-serial-simple.c
+++ b/drivers/usb/serial/usb-serial-simple.c
@@ -53,6 +53,7 @@ DEVICE(funsoft, FUNSOFT_IDS);
 
 /* Infineon Flashloader driver */
 #define FLASHLOADER_IDS()		\
+	{ USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \
 	{ USB_DEVICE(0x8087, 0x0716) }
 DEVICE(flashloader, FLASHLOADER_IDS);
 
-- 
1.9.1