Am Sonntag, 22. November 2009 09:08:44 schrieb Gernot Hillier: > In addition, this device seems to ignore setting of RTS/DTR by option_send_ > setup and doesn't answer the usb_control_msg leading to a 5 s timeout > (USB_CTRL_SET_TIMEOUT) in userspace open() and other operations. As this > confused several impatient userspace applications like Minicom and > ModemManager, I decided to reduce the timeout to more reasonable 1000 ms. > I don't think the usual USB GSM stick needs longer, so this should be > safe. Unfortunately the 5s timeout comes from the USB spec for control messages. So reducing it is a serious matter. In this case I'd prefer if you introduce a special case for these devices and fail the operation without doing any IO. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
