From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from skprod3.natinst.com ([130.164.80.24] helo=ni.com) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cC8D7-0006Wz-UY for linux-mtd@lists.infradead.org; Wed, 30 Nov 2016 16:58:25 +0000 From: Zach Brown To: CC: , , , , , Subject: [PATCH v6 3/5] mtd: nand: Add max_bb_per_die and blocks_per_die fields to nand_chip Date: Wed, 30 Nov 2016 10:57:29 -0600 Message-ID: <1480525051-4991-4-git-send-email-zach.brown@ni.com> In-Reply-To: <1480525051-4991-1-git-send-email-zach.brown@ni.com> References: <1480525051-4991-1-git-send-email-zach.brown@ni.com> MIME-Version: 1.0 Content-Type: text/plain List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , The fields max_bb_per_die and blocks_per_die are useful determining the number of bad blocks a MTD needs to allocate. How they are set will depend on if the chip is ONFI, JEDEC or a full-id entry in the nand_ids table. Signed-off-by: Zach Brown Acked-by: Boris Brezillon Acked-by: Brian Norris --- include/linux/mtd/nand.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index d8905a2..8e9dce1 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -771,6 +771,9 @@ nand_get_sdr_timings(const struct nand_data_interface *conf) * supported, 0 otherwise. * @jedec_params: [INTERN] holds the JEDEC parameter page when JEDEC is * supported, 0 otherwise. + * @max_bb_per_die: [INTERN] the max number of bad blocks each die of a + * this nand device will encounter their life times. + * @blocks_per_die: [INTERN] The number of PEBs in a die * @read_retries: [INTERN] the number of read retry modes supported * @onfi_set_features: [REPLACEABLE] set the features for ONFI nand * @onfi_get_features: [REPLACEABLE] get the features for ONFI nand @@ -853,6 +856,8 @@ struct nand_chip { struct nand_onfi_params onfi_params; struct nand_jedec_params jedec_params; }; + u16 max_bb_per_die; + u32 blocks_per_die; struct nand_data_interface *data_interface; -- 2.7.4