From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1034248AbcJ1U2s (ORCPT ); Fri, 28 Oct 2016 16:28:48 -0400 Received: from skprod2.natinst.com ([130.164.80.23]:36186 "EHLO ni.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1761657AbcJ1U2m (ORCPT ); Fri, 28 Oct 2016 16:28:42 -0400 From: Zach Brown To: CC: , , , , , Subject: [PATCH v3 3/5] mtd: nand: Add bb_per_lun and blocks_per_lun fields to nand_chip Date: Fri, 28 Oct 2016 15:27:42 -0500 Message-ID: <1477686464-7437-4-git-send-email-zach.brown@ni.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1477686464-7437-1-git-send-email-zach.brown@ni.com> References: <1477686464-7437-1-git-send-email-zach.brown@ni.com> X-MIMETrack: Itemize by SMTP Server on US-AUS-MGWOut2/AUS/H/NIC(Release 8.5.3FP6 HF1218|December 12, 2014) at 10/28/2016 03:27:38 PM, Serialize by Router on US-AUS-MGWOut2/AUS/H/NIC(Release 8.5.3FP6 HF1218|December 12, 2014) at 10/28/2016 03:27:38 PM, Serialize complete at 10/28/2016 03:27:38 PM MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-10-28_11:,, signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1610280347 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The fields bb_per_lun and blocks_per_lun 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 fuill-id entry in the nand_ids table. Signed-off-by: Zach Brown --- 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 c5d3d502..efbe439 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. + * @bb_per_lun: [INTERN] the max number of bad blocks each LUN of a + * this nand device will encounter their life times. + * @blocks_per_lun: [INTERN] The number of PEBs in a LUN * @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; }; + __le16 bb_per_lun; + __le32 blocks_per_lun; struct nand_data_interface *data_interface; -- 2.7.4