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[Mirror] Some kind of OS: git://git.9front.org/plan9front/plan9front
97a5e60d0e
In an upcoming commit, the interface for how to create hubs and how to update endpoint parameters is going to change. Device/endpoint properties should not be modified while the data file is open (device is being used). This also applies to control endpoint when changing packet size. The motivation here is to clean up the xhci driver and not do these stupid hacks like parsing control messages. It is easier to just have the hci drivers apply everything at open time and being guaranteed that properties do not change under them. For this we need to make sure to only do these devctl's while the data file is not open. For hubs, the command changes and some parameters. Primarily the number of ports (required for xhci) which will let devusb do some error checking and the USB2.0 -> USB1.1 transaction translator properties. In usb/lib, the "isroot" property is redundant and is replaced by depth < 0. For usb3.0 hub descriptor, the led indicator fields are different from usb2.0 descriptors. Rest is pikeshedding. |
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