On 10/25/23 01:56, Chun-Hung Wu wrote:
This quirk needs to be enabled if the host controller cannot distinguish queue full or empty.
From the UFSHCI 4.0 specification: "When the head and tail doorbells are equal, the queue is empty. [ ... ] When the head and tail doorbells are not equal, the queue contains queue entries." How is it possible that a host controller cannot distinguish queue full or queue empty? Which (head - tail) values cause trouble? More information is needed. Thanks, Bart.
