tc_preadb
err |= tc_preadb(pattern + 0, module + offset + TC_PATTERN0);
err |= tc_preadb(pattern + 1, module + offset + TC_PATTERN1);
err |= tc_preadb(pattern + 2, module + offset + TC_PATTERN2);
err |= tc_preadb(pattern + 3, module + offset + TC_PATTERN3);
err |= tc_preadb(pattern + 0,
err |= tc_preadb(pattern + 1,
err |= tc_preadb(pattern + 2,
err |= tc_preadb(pattern + 3,
extern int tc_preadb(u8 *valp, void __iomem *addr);