SPACEMIT_ISR
val = readl(i2c->base + SPACEMIT_ISR);
ret = readl_poll_timeout(i2c->base + SPACEMIT_ISR,
if (readl(i2c->base + SPACEMIT_ISR) & SPACEMIT_SR_EBB) {
writel(mask & SPACEMIT_I2C_INT_STATUS_MASK, i2c->base + SPACEMIT_ISR);
status = readl(i2c->base + SPACEMIT_ISR);