117 	unsigned int eccsize = nand->ecc.size;  in nand_bch_init()  local
122 		eccbytes = DIV_ROUND_UP(eccstrength * fls(8 * eccsize), 8);  in nand_bch_init()
126 	if (!eccsize || !eccbytes) {  in nand_bch_init()
131 	m = fls(1+8*eccsize);  in nand_bch_init()
149 	eccsteps = mtd->writesize/eccsize;  in nand_bch_init()
182 	if (8*(eccsize+eccbytes) >= (1 << m)) {  in nand_bch_init()
183 		printk(KERN_WARNING "eccsize %u is too large\n", eccsize);  in nand_bch_init()
198 	erased_page = kmalloc(eccsize, GFP_KERNEL);  in nand_bch_init()
202 	memset(erased_page, 0xff, eccsize);  in nand_bch_init()
204 	encode_bch(nbc->bch, erased_page, eccsize, nbc->eccmask);  in nand_bch_init()
211 		nand->ecc.strength = (eccbytes * 8) / fls(8 * eccsize);  in nand_bch_init()