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Date: Sat, 9 Aug 2008 04:45:30 +0200 From: Oliver Martin <oliver.martin@...dent.tuwien.ac.at> To: linux-kernel@...r.kernel.org Subject: Policy re. cellular USB modem mode switch Hello, trying to get my ZTE MF628 HSDPA modem to work left me wondering if there is an established policy whether or not to include the "mode switch" code most cellular USB modems need in the kernel or not. Currently, the MF628 requires a userspace helper called usb_modeswitch to be called [1] to change from mass storage mode to serial mode. After, that it can be used with the usbserial driver or preferably, after one adds the right vendor and product id, with the option driver. The only other such device I know is the Huawei E220, which doesn't require any userspace tools since 2.6.20. The usb_modeswitch website lists quite a lot of devices as supported, do any other of them *require* the use of this (or another) userspace tool? If so, is this considered acceptable? The main reason I'm asking this is to find out if I should try to put the mode switch code in the kernel or not. In the meantime, I'll reply to this message with a patch to add the vendor/product id of the MF628 to the option driver, which I guess is needed in any case. Regards, Oliver [1] http://www.draisberghof.de/usb_modeswitch/ http://www.draisberghof.de/usb_modeswitch/bb/viewtopic.php?t=81 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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