Message ID | 20210506191829.8271-1-p.yadav@ti.com |
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Headers | show
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Thu, 6 May 2021 14:18:34 -0500 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 146JIUNC026052; Thu, 6 May 2021 14:18:31 -0500 From: Pratyush Yadav <p.yadav@ti.com> To: Tudor Ambarus <tudor.ambarus@microchip.com>, Michael Walle <michael@walle.cc>, Miquel Raynal <miquel.raynal@bootlin.com>, Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, Mark Brown <broonie@kernel.org>, <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <linux-spi@vger.kernel.org> CC: Pratyush Yadav <p.yadav@ti.com> Subject: [PATCH 0/6] Avoid odd length/address read/writes in 8D-8D-8D mode. Date: Fri, 7 May 2021 00:48:23 +0530 Message-ID: <20210506191829.8271-1-p.yadav@ti.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210506_121839_228595_468FBB3A X-CRM114-Status: GOOD ( 11.79 ) X-Spam-Score: -2.8 (--) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Hi, On Octal DTR flashes like Micron Xcella or Cypress S28 family, reads or writes cannot start at an odd address in 8D-8D-8D mode. Neither can they be odd bytes long. Upper layers like filesystems don't [...] Content analysis details: (-2.8 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.141 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.3 DKIMWL_WL_HIGH DKIMwl.org - High trust sender X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list <linux-mtd.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-mtd/> List-Post: <mailto:linux-mtd@lists.infradead.org> List-Help: <mailto:linux-mtd-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mtd>, <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" <linux-mtd-bounces@lists.infradead.org> Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
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Avoid odd length/address read/writes in 8D-8D-8D mode.
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On Fri, May 07, 2021 at 12:48:23AM +0530, Pratyush Yadav wrote: > Patch 4 should go through the SPI tree but I have included it in this > series because if it goes in before patches 1-3, Micron MT35XU and > Cypress S28HS flashes will stop working correctly. It probably makes sense to apply these to the MTD tree and then send me a pull request to avoid any future conflicts with SPI.