Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758261AbcK3Q6q (ORCPT ); Wed, 30 Nov 2016 11:58:46 -0500 Received: from skprod3.natinst.com ([130.164.80.24]:46524 "EHLO ni.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758180AbcK3Q61 (ORCPT ); Wed, 30 Nov 2016 11:58:27 -0500 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> X-Mailer: git-send-email 2.7.4 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 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-11-30_12:,, 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=8.0.1-1609300000 definitions=main-1611300273 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1450 Lines: 37 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