diff --git a/drivers/usb/storage/initializers.c b/drivers/usb/storage/initializers.c index 3a41740cad97d38b6e04c385fd64dd82f9c85133..ee5b42aa53633b159b259d95bbf208e866a48492 100644 --- a/drivers/usb/storage/initializers.c +++ b/drivers/usb/storage/initializers.c @@ -90,3 +90,17 @@ int usb_stor_ucr61s2b_init(struct us_data *us) return (res ? -1 : 0); } + +/* This places the HUAWEI E220 devices in multi-port mode */ +int usb_stor_huawei_e220_init(struct us_data *us) +{ + int result; + + us->iobuf[0] = 0x1; + result = usb_stor_control_msg(us, us->send_ctrl_pipe, + USB_REQ_SET_FEATURE, + USB_TYPE_STANDARD | USB_RECIP_DEVICE, + 0x01, 0x0, us->iobuf, 0x1, 1000); + US_DEBUGP("usb_control_msg performing result is %d\n", result); + return (result ? 0 : -1); +} diff --git a/drivers/usb/storage/initializers.h b/drivers/usb/storage/initializers.h index e2967a4d48a2e30d0fa694f233d10941ec88121a..ad3ffd4236c2af961039f36e3943978ee07fd66a 100644 --- a/drivers/usb/storage/initializers.h +++ b/drivers/usb/storage/initializers.h @@ -47,3 +47,6 @@ int usb_stor_euscsi_init(struct us_data *us); /* This function is required to activate all four slots on the UCR-61S2B * flash reader */ int usb_stor_ucr61s2b_init(struct us_data *us); + +/* This places the HUAWEI E220 devices in multi-port mode */ +int usb_stor_huawei_e220_init(struct us_data *us); diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index c6b78ba815eaaa94dfd0f90f61690b4c59cb23ec..94b1dd2aeb3b8dda541e9317d4b66df27e21104e 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -1463,6 +1463,17 @@ UNUSUAL_DEV( 0x1210, 0x0003, 0x0100, 0x0100, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), +/* Reported by fangxiaozhi + * and by linlei + * Patch reworked by Johann Wilhelm + * This brings the HUAWEI E220 devices into multi-port mode + */ +UNUSUAL_DEV( 0x12d1, 0x1003, 0x0000, 0x0000, + "HUAWEI MOBILE", + "Mass Storage", + US_SC_DEVICE, US_PR_DEVICE, usb_stor_huawei_e220_init, + 0), + /* Reported by Vilius Bilinkevicius