Hi, Frank Mori Hess <fmh6jj@xxxxxxxxx> writes: > I'm using a usb composite gadget (g_serial) and it initially has a > sysfs attribute "suspended" which is zero. When I physically unplug > the usb cable, the "suspend" callback is called and the "suspended" > attribute becomes 1. However, when I plug the gadget back in, the > "reset" callback does not set suspended back to 0. The "resume" > callback is never called. This is on a 4.9 kernel. Is this a bug in > composite.c, where it ought to reset the "suspended" flag in its reset > callback? Or is it a bug in my usb controller (dwc2) in that > "resume" never gets called (actually I had to hack it to make > it even call the gadget "reset" callback)? You're using a really old kernel. Please try with v4.19.11 or v4.20-rc7 -- balbi
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