linux-kernel - [PATCH AUTOSEL 6.2 25/30] net: usb: cdc_mbim: avoid altsetting toggling for Telit FE990

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Message-Id: <20230320005258.1428043-25-sashal@kernel.org>
Date:   Sun, 19 Mar 2023 20:52:50 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Enrico Sau <enrico.sau@...il.com>, Paolo Abeni <pabeni@...hat.com>,
        Sasha Levin <sashal@...nel.org>, oliver@...kum.org,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        linux-usb@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 6.2 25/30] net: usb: cdc_mbim: avoid altsetting toggling for Telit FE990

From: Enrico Sau <enrico.sau@...il.com>

[ Upstream commit 418383e6ed6b4624a54ec05c535f13d184fbf33b ]

Add quirk CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE for Telit FE990
0x1081 composition in order to avoid bind error.

Signed-off-by: Enrico Sau <enrico.sau@...il.com>
Link: https://lore.kernel.org/r/20230306115933.198259-1-enrico.sau@gmail.com
Signed-off-by: Paolo Abeni <pabeni@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/usb/cdc_mbim.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index c89639381eca3..cd4083e0b3b9e 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -665,6 +665,11 @@ static const struct usb_device_id mbim_devs[] = {
 	  .driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle,
 	},
 
+	/* Telit FE990 */
+	{ USB_DEVICE_AND_INTERFACE_INFO(0x1bc7, 0x1081, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
+	  .driver_info = (unsigned long)&cdc_mbim_info_avoid_altsetting_toggle,
+	},
+
 	/* default entry */
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE),
 	  .driver_info = (unsigned long)&cdc_mbim_info_zlp,
-- 
2.39.2