hi Oliver: 2014-08-25 18:21 GMT+08:00 Oliver Neukum <oneu...@suse.de>: > On Fri, 2014-08-22 at 14:23 -0400, Alan Stern wrote: >> On Sat, 23 Aug 2014, vichy wrote: >> >> > from your patch, I have some questions: >> > a. in Alan's version, if both HID_CLEAR_HALT and HID_RESET_PENDING are >> > set, hid_reset will both "clear ep halt" and "reset devcie". >> > But in original one, even HID_CLEAR_HALT and HID_RESET_PENDING are >> > both set, hid_reset only do one of them. >> >> Yes. In my patch, the clear-halt handler will turn on the >> HID_RESET_PENDING bit if something goes wrong. In that case we want to >> do both things. > > Why? If we reset, why bother clearing a halt? Especially as this > may mean waiting the full 5 seconds for a timeout. I think what Alan mean is IF CLEAR HALT fail, we reset the device. That is what below "In that case" mean. "In that case we want to do both things."
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