Do away with usb resets entirely since we retry on both pipe and io errors now and they're of dubious value.
diff --git a/usbutils.c b/usbutils.c
index 0147c39..ae9009e 100644
--- a/usbutils.c
+++ b/usbutils.c
@@ -2793,17 +2793,6 @@ int _usb_write(struct cgpu_info *cgpu, int intinfo, int epinfo, char *buf, size_
tot += sent;
- /* Unlike reads, even a timeout error is unrecoverable on
- * writes. */
- if (err) {
- applog(LOG_WARNING, "%s %i %s usb write err:(%d) %s", cgpu->drv->name,
- cgpu->device_id, usb_cmdname(cmd), err, libusb_error_name(err));
- if (err != LIBUSB_ERROR_NO_DEVICE) {
- err = libusb_reset_device(usbdev->handle);
- applog(LOG_WARNING, "%s %i attempted reset got err:(%d) %s",
- cgpu->drv->name, cgpu->device_id, err, libusb_error_name(err));
- }
- }
if (err)
break;