112 	unsigned int eccsize = nand->ecc.size;  in nand_bch_init()  local
117 		eccbytes = DIV_ROUND_UP(eccstrength * fls(8 * eccsize), 8);  in nand_bch_init()
121 	if (!eccsize || !eccbytes) {  in nand_bch_init()
126 	m = fls(1+8*eccsize);  in nand_bch_init()
144 	eccsteps = mtd->writesize/eccsize;  in nand_bch_init()
153 	if (8*(eccsize+eccbytes) >= (1 << m)) {  in nand_bch_init()
154 		pr_warn("eccsize %u is too large\n", eccsize);  in nand_bch_init()
180 	erased_page = kmalloc(eccsize, GFP_KERNEL);  in nand_bch_init()
184 	memset(erased_page, 0xff, eccsize);  in nand_bch_init()
185 	encode_bch(nbc->bch, erased_page, eccsize, nbc->eccmask);  in nand_bch_init()
192 		nand->ecc.strength = (eccbytes * 8) / fls(8 * eccsize);  in nand_bch_init()