SDRAM_ERR_ADDR_COL_OFFSET 50 drivers/edac/armada_xp_edac.c #define SDRAM_ERR_ADDR_COL_MASK (0x7fff << SDRAM_ERR_ADDR_COL_OFFSET) SDRAM_ERR_ADDR_COL_OFFSET 191 drivers/edac/armada_xp_edac.c col_val = (addr & SDRAM_ERR_ADDR_COL_MASK) >> SDRAM_ERR_ADDR_COL_OFFSET;