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- From 4d304a6fe93538ce356b4593dc43476b50c023e7 Mon Sep 17 00:00:00 2001
- From: Giuseppe Lippolis <giu.lippolis@gmail.com>
- Date: Mon, 23 Apr 2018 09:03:06 +0200
- Subject: 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 librecmc 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: Giuseppe 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: Johan Hovold <johan@kernel.org>
- ---
- drivers/usb/serial/option.c | 3 ++-
- 1 file changed, 2 insertions(+), 1 deletion(-)
- --- a/drivers/usb/serial/option.c
- +++ b/drivers/usb/serial/option.c
- @@ -1987,7 +1987,8 @@ static const struct usb_device_id option
- { 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) },
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