On Mon, Jun 28, 2021 at 11:25:48AM +0900, Jung Daehwan wrote: > On Tue, Jun 22, 2021 at 09:56:20PM +0200, Greg Kroah-Hartman wrote: > > On Tue, Jun 22, 2021 at 08:24:56PM +0900, Daehwan Jung wrote: > > > It seems 10 secs timeout is too long in general case. A core would wait for > > > 10 secs without doing other task and it can be happended on every device. > > > > Only if the handshake does not come back sooner, right? > > Yes, right. > > > What is causing your device to timeout here? > > Host Controller doesn't respond handshake. I don't know why and I ask HW team > to debug it. Please work to fix your hardware, that feels like the root of the problem here. If you require the timeout for xhci_reset() to happen, then how do you know that the hardware really did reset properly in the reduced amount of time you just provided? thanks, greg k-h
