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laforge, 12/28/2016 12:31 PM
Improved Linux USB Driver¶
As seen in Android_USB_Gadget, the configuration of the USB gadget is highly configurable and can be changed dynamically at runtime.
The Linux kernel driver however contains fixed interface numbers and simply always assumes a certain configuratin/composition with given ordering. This is highly inflexible.
Therefore, we propoes a series of changes to the Linux kernel qmi_wwan.c and qcserial.c drivers which dynamically detect the type of an interface (virtual serial, rmnet, adb, diag) in any order or quantity of ports.
The patches can be found at http://git.osmocom.org/quectel-experiments/tree/host-drivers and we'll try to get them mainline soon.
Updated by laforge over 7 years ago · 1 revisions