xiic_tx_space
while (xiic_tx_space(i2c)) {
if (!xiic_tx_space(i2c) && i2c->nmsgs == 1) {
((i2c->nmsgs > 1 || xiic_tx_space(i2c)) ?
int len = xiic_tx_space(i2c);
if (!xiic_tx_space(i2c) && i2c->nmsgs == 1) {
if (xiic_tx_space(i2c)) {
xiic_tx_space(i2c) == 0)