mtd: nand: sunxi: use mtd_div_by_ws() helper

Suggested-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>

diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index 5f700719d5c2da80c3039e3bf7a64cd6a7b17d6d..b5ea6b312df08b3467fcc85220a0f1e01cd263c2 100644 (file)
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -624,7 +624,7 @@ static u16 sunxi_nfc_randomizer_step(u16 state, int count)
 static u16 sunxi_nfc_randomizer_state(struct mtd_info *mtd, int page, bool ecc)
 {
        const u16 *seeds = sunxi_nfc_randomizer_page_seeds;
-       int mod = mtd->erasesize / mtd->writesize;
+       int mod = mtd_div_by_ws(mtd->erasesize, mtd);
 
        if (mod > ARRAY_SIZE(sunxi_nfc_randomizer_page_seeds))
                mod = ARRAY_SIZE(sunxi_nfc_randomizer_page_seeds);