From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 040FFC6778C for ; Fri, 6 Jul 2018 07:53:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9C34124098 for ; Fri, 6 Jul 2018 07:53:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="hJfDMI0d"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="J4IWWs9z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9C34124098 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754038AbeGFHwP (ORCPT ); Fri, 6 Jul 2018 03:52:15 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:33836 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753362AbeGFHwN (ORCPT ); Fri, 6 Jul 2018 03:52:13 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 7EE97601D9; Fri, 6 Jul 2018 07:52:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530863532; bh=smBPeasuC1/01H/NVcCMDGBdLokiGkofLvtuG5ialSA=; h=From:To:Cc:Subject:Date:From; b=hJfDMI0dvaiJHok63YfKzr5LVdDIbk1E880OZpD1WAHrQkUyNdVbiFRq4iwjLCwWM SFWnIW2jSvPM0zTg57pS7LhLIMRthlKG1wjhrF1ZlfP1iCFZI9dc71NtyKEtciwp7a WGE+8xk0j5wrbLAHV2FlExoOJhe2YQaFaQE+sXkQ= Received: from absahu-linux.qualcomm.com (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: absahu@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id EB734601D9; Fri, 6 Jul 2018 07:52:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1530863527; bh=smBPeasuC1/01H/NVcCMDGBdLokiGkofLvtuG5ialSA=; h=From:To:Cc:Subject:Date:From; b=J4IWWs9zjP5HrMQUGaSv08wi8f0CUN0wXEkINj39msgeYNPQsZRJYo+pC3ZqoYPZK N3hy5UKW8j0bOV1L46ZzwYK7qskgIuPN0ceheBO67ud/EhWVmkN3OorVb8Uypql5yQ 95x6j4Of3EL8qxhFWCSTRf0uDMLMrcZ7vRHISgvQ= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org EB734601D9 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=absahu@codeaurora.org From: Abhishek Sahu To: Boris Brezillon , Miquel Raynal Cc: David Woodhouse , Brian Norris , Marek Vasut , Richard Weinberger , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, Andy Gross , Abhishek Sahu Subject: [PATCH 0/5] Update for removing driver specific BBM functions Date: Fri, 6 Jul 2018 13:21:54 +0530 Message-Id: <1530863519-5564-1-git-send-email-absahu@codeaurora.org> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series deals mainly with removing driver specific bad block functions and some minor fixing/cleanup. 1. When initial support for this driver was added [1], then the plan was to remove these driver specific functions when NAND base layer has support for doing raw read/write for bad block related things. Moving to raw read/write seems to take more time so this patch series implemented alternate logic for reading/writing bad block with normal read/write itself. This alternate logic relies on some assumption which seems to be better than driver specific functions and provide more functionality. Some discussion regarding it has already happened in [2]. 2. Some part of code is duplicated in every read/write function so clean up the code by making helper function. 3. Bootloaders does access protection for some of the NAND registers which generates few write errors if it is enabled. 4. Create RAM based BBT table. Flash based BBT table can’t be used since our bootloader does not have support for the same. **This patch series is rebased over linux-next with PATCH [3] [1]: http://patchwork.ozlabs.org/patch/508565/ [2]: https://patchwork.ozlabs.org/patch/920563/ [3]: https://patchwork.ozlabs.org/patch/938631/ Abhishek Sahu (5): mtd: rawnand: qcom: remove driver specific bad block check function mtd: rawnand: qcom: remove driver specific block_markbad function mtd: rawnand: qcom: fix NAND register write errors mtd: rawnand: qcom: update BBT related flags mtd: rawnand: qcom: reorganization by removing read/write helpers drivers/mtd/nand/raw/qcom_nandc.c | 439 ++++++++++++++------------------------ 1 file changed, 162 insertions(+), 277 deletions(-) -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation