Hi Yixun, I know I said I would finish reviewing the driver, but I didn't have time to do it, so feel free to send a new version addressing the comments I already made. On Thu, 19 Jul 2018 17:46:12 +0800 Yixun Lan <yixun.lan@xxxxxxxxxxx> wrote: > +static void meson_nfc_select_chip(struct mtd_info *mtd, int chip) > +{ > + struct nand_chip *nand = mtd_to_nand(mtd); > + struct meson_nfc_nand_chip *meson_chip = to_meson_nand(nand); > + struct meson_nfc *nfc = nand_get_controller_data(nand); > + > + if (chip < 0 || chip > MAX_CE_NUM) ^ chip > meson_chip->nsels) > + return; > + > + nfc->param.chip_select = meson_chip->sels[chip] ? NAND_CE1 : NAND_CE0; > + nfc->param.rb_select = nfc->param.chip_select; > +} > + Regards, Boris ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/