RW_CMD
value |= drvdata->curr_msg->flags & I2C_M_RD ? RW_CMD | START_CMD : START_CMD;
value |= MASTER_EVT_CLR | RW_CMD | START_CMD;
writeb(MASTER_EVT_CLR | RW_CMD,
RW_CMD, drvdata->base + GXP_I2CMCMD);
writeb(MASTER_EVT_CLR | RW_CMD,
RW_CMD, drvdata->base + GXP_I2CMCMD);