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Commit 4d304a6f authored by Giuseppe Lippolis's avatar Giuseppe Lippolis Committed by Johan Hovold
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USB: serial: option: blacklist unused dwm-158 interfaces 



The dwm-158 interface 4 and 5 doesn't answer to the AT commands
and doesn't appears a option interface.
Tested on openwrt distribution (kernel 4.14 using the old blacklist
definitions).

Lars Melin also writes:

	Blacklisting interface 4 and 5 is correct because:

	MI_00 D-Link Mobile Broadband Device  (cdc_ether)
	MI_02 D-Link HSPA+DataCard Diagnostics Interface (also ppp modem)
	MI_03 D-Link HSPA+DataCard NMEA Device
	MI_04 D-Link HSPA+DataCard Speech Port
	MI_05 D-Link HSPA+DataCard Debug Port
	MI_06 USB Mass Storage Device

Signed-off-by: default avatarGiuseppe Lippolis <giu.lippolis@gmail.com>
[ johan: add Lars's comment on the interface layout and reword summary ]
Cc: Lars Melin <larsm17@gmail.com>
Cc: Dan Williams <dcbw@redhat.com>
Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
parent 6da6c0db

drivers/usb/serial/option.c

+2 −1
Original line number Diff line number Diff line
@@ -1911,7 +1911,8 @@ static const struct usb_device_id option_ids[] = { 
	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d01, 0xff) },			/* D-Link DWM-156 (variant) */

	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d02, 0xff) },

	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d03, 0xff) },

	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) },			/* D-Link DWM-158 */

	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff),			/* D-Link DWM-158 */

	 .driver_info = RSVD(4) | RSVD(5) },

	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d0e, 0xff) },			/* D-Link DWM-157 C1 */

	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff),			/* D-Link DWM-221 B1 */

	  .driver_info = RSVD(4) },