EP0_FLAG
ctrl_ctx->add_flags &= cpu_to_le32(~EP0_FLAG);
ctrl_ctx->drop_flags &= cpu_to_le32(~(SLOT_FLAG | EP0_FLAG));
ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
if (added_ctxs == SLOT_FLAG || added_ctxs == EP0_FLAG) {
ctrl_ctx->add_flags = cpu_to_le32(EP0_FLAG);
if (drop_flag == SLOT_FLAG || drop_flag == EP0_FLAG) {
if (added_ctxs == SLOT_FLAG || added_ctxs == EP0_FLAG) {
ctrl_ctx->add_flags &= cpu_to_le32(~EP0_FLAG);
ctrl_ctx->drop_flags &= cpu_to_le32(~(SLOT_FLAG | EP0_FLAG));
if (ep_flag == SLOT_FLAG || ep_flag == EP0_FLAG)
ctrl_ctx->add_flags = cpu_to_le32(SLOT_FLAG | EP0_FLAG);
(add & EP0_FLAG) ? " ep0":"");
add &= ~(SLOT_FLAG | EP0_FLAG);