Oliver Neukum wrote:
what's a driver supposed to do if it detects a stall?
You can't call usb_clear_halt().
Sometimes you can, when you use bulk or interrupt
endpoints in appropriate ways.  It'd be the right
answer for the skel_read() style synchronous call
model ... but not for the skel_write() async one,
fault handling in the completion handler.

- Dave




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