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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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180706_005223_357963_CA751421 X-CRM114-Status: GOOD ( 15.20 ) X-Spam-Score: -2.4 (--) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-2.4 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [198.145.29.96 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Marek Vasut , Abhishek Sahu , linux-mtd@lists.infradead.org, Richard Weinberger , Andy Gross , Brian Norris , David Woodhouse Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.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(-)