24  * @ecclayout: private ecc layout for this BCH configuration
114 	struct nand_ecclayout *layout = nand->ecc.layout;  in nand_bch_init()  local
152 	if (!layout) {  in nand_bch_init()
161 		layout = &nbc->ecclayout;  in nand_bch_init()
162 		layout->eccbytes = eccsteps*eccbytes;  in nand_bch_init()
165 		if (layout->eccbytes+2 > mtd->oobsize) {  in nand_bch_init()
172 		for (i = 0; i < layout->eccbytes; i++)  in nand_bch_init()
173 			layout->eccpos[i] = mtd->oobsize-layout->eccbytes+i;  in nand_bch_init()
175 		layout->oobfree[0].offset = 2;  in nand_bch_init()
176 		layout->oobfree[0].length = mtd->oobsize-2-layout->eccbytes;  in nand_bch_init()
178 		nand->ecc.layout = layout;  in nand_bch_init()
186 	if (layout->eccbytes != (eccsteps*eccbytes)) {  in nand_bch_init()
187 		printk(KERN_WARNING "invalid ecc layout\n");  in nand_bch_init()