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[217.246.170.208]) by smtp.gmail.com with ESMTPSA id b42sm28459746wra.10.2017.04.13.00.24.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 13 Apr 2017 00:24:13 -0700 (PDT) From: Mathias Kresin To: linux-mtd@lists.infradead.org Subject: [PATCH] mtd: spi-nor: enable stateless 4b op codes for mx25u25635f Date: Thu, 13 Apr 2017 09:23:54 +0200 Message-Id: <1492068234-9509-1-git-send-email-dev@kresin.me> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170413_002436_730708_87D92670 X-CRM114-Status: UNSURE ( 9.22 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [2a00:1450:400c:c09:0:0:0:241 listed in] [list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 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: marek.vasut@gmail.com, cyrille.pitchen@atmel.com MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org All required stateless 4-byte op codes are supported by this flash chip. The stateless 4-byte support can't be autodetected due to a missing 4-byte Address Instruction Table in SFDP. Fixes hangs on reboot for SoCs expecting the flash chip in 3byte mode. Signed-off-by: Mathias Kresin Acked-by: Marek Vasut --- drivers/mtd/spi-nor/spi-nor.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 1ae872b..4b496d8 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1017,7 +1017,7 @@ static const struct flash_info spi_nor_ids[] = { { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) }, { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512, 0) }, - { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512, SECT_4K) }, + { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_4B_OPCODES) }, { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512, 0) }, { "mx66l51235l", INFO(0xc2201a, 0, 64 * 1024, 1024, SPI_NOR_QUAD_READ) }, { "mx66l1g55g", INFO(0xc2261b, 0, 64 * 1024, 2048, SPI_NOR_QUAD_READ) },