h_status
if (resp->h_status != 0 || resp->h_i2csts != 0) {
__func__, req->h_dev, resp->h_status, resp->h_i2csts,
(buf->rb_desc->h_status & htole32(DESC_STATUS_FULL))) {
desc_status = letoh32(buf->rb_desc->h_status);
buf->rb_desc->h_status = 0;
uint32_t h_status; /* see DESC_STATUS_ */