PCH_I2CSR
while (ioread32(p + PCH_I2CSR) & I2CMBB_BIT) {
pch_dbg(adap, "I2CSR = %x\n", ioread32(p + PCH_I2CSR));
pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMAL_BIT);
pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT);
if (ioread32(p + PCH_I2CSR) & PCH_GETACK) {
pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMCF_BIT);
pch_clrbit(adap->pch_base_address, PCH_I2CSR, I2CMIF_BIT);
sts = ioread32(p + PCH_I2CSR);
pch_clrbit(adap->pch_base_address, PCH_I2CSR, sts);
pch_dbg(adap, "PCH_I2CSR = %x\n", ioread32(p + PCH_I2CSR));
reg_val = ioread32(p + PCH_I2CSR);
ioread32(p + PCH_I2CSR), ioread32(p + PCH_I2CBUFSTA),