SSI_CHANNEL_STATE_POLL
~(SSI_CHANNEL_STATE_POLL | SSI_CHANNEL_STATE_READING);
~(SSI_CHANNEL_STATE_POLL | SSI_CHANNEL_STATE_READING);
*state &= ~(SSI_CHANNEL_STATE_READING | SSI_CHANNEL_STATE_POLL);
WARN_ON(!(hi->data_state & SSI_CHANNEL_STATE_POLL));
hi->data_state &= ~SSI_CHANNEL_STATE_POLL;
(SSI_CHANNEL_STATE_READING | SSI_CHANNEL_STATE_POLL)) {
hi->data_state |= SSI_CHANNEL_STATE_POLL;