From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937855AbdAFTQh (ORCPT ); Fri, 6 Jan 2017 14:16:37 -0500 Received: from skprod3.natinst.com ([130.164.80.24]:32795 "EHLO ni.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754937AbdAFTPp (ORCPT ); Fri, 6 Jan 2017 14:15:45 -0500 From: Zach Brown To: CC: , , , , , Subject: [PATCH v7 3/5] mtd: nand: Add max_bb_per_die and blocks_per_die fields to nand_chip Date: Fri, 6 Jan 2017 13:14:44 -0600 Message-ID: <1483730086-26706-4-git-send-email-zach.brown@ni.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483730086-26706-1-git-send-email-zach.brown@ni.com> References: <1483730086-26706-1-git-send-email-zach.brown@ni.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-01-06_14:,, signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=3 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1612050000 definitions=main-1701060281 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 c5f3a01..4e1b441 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -801,6 +801,9 @@ 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 @@ -883,6 +886,8 @@ 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