diff options
Diffstat (limited to 'target/linux/generic/backport-4.19/030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch')
| -rw-r--r-- | target/linux/generic/backport-4.19/030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/generic/backport-4.19/030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch b/target/linux/generic/backport-4.19/030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch new file mode 100644 index 0000000000..4201ab1744 --- /dev/null +++ b/target/linux/generic/backport-4.19/030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch @@ -0,0 +1,42 @@ +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 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: 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 +@@ -1927,7 +1927,8 @@ 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) }, |