linux-kernel - [PATCH v2 7/7] USB: cdc-acm: add other non-standard xr

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Date:   Wed, 24 Mar 2021 08:41:11 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Johan Hovold <johan@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Oliver Neukum <oneukum@...e.com>, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: [PATCH v2 7/7] USB: cdc-acm: add other non-standard xr_serial models to ignore list

Now that the xr_serial got support for other models, add their
USB IDs as well, as those devices won't work with the standard
CDC driver.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 drivers/usb/class/cdc-acm.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 39ddb5585ded..839b80093478 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1902,9 +1902,20 @@ static const struct usb_device_id acm_ids[] = {
 #endif
 
 #if IS_ENABLED(CONFIG_USB_SERIAL_XR)
-	{ USB_DEVICE(0x04e2, 0x1410),   /* Ignore XR21V141X USB to Serial converter */
-	.driver_info = IGNORE_DEVICE,
-	},
+	/* Ignore MaxLinear/Exar USB UARTs and USB UART bridges */
+	{ USB_DEVICE(0x04e2, 0x1400), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1401), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1402), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1403), .driver_info = IGNORE_DEVICE,},
+
+	{ USB_DEVICE(0x04e2, 0x1410), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1411), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1412), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1414), .driver_info = IGNORE_DEVICE,},
+
+	{ USB_DEVICE(0x04e2, 0x1420), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1422), .driver_info = IGNORE_DEVICE,},
+	{ USB_DEVICE(0x04e2, 0x1424), .driver_info = IGNORE_DEVICE,},
 #endif
 
 	/*Samsung phone in firmware update mode */
-- 
2.30.2