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Thu, 22 Nov 2018 05:14:49 +0000 Received: from VI1PR04MB5726.eurprd04.prod.outlook.com ([fe80::595a:9890:8397:5d51]) by VI1PR04MB5726.eurprd04.prod.outlook.com ([fe80::595a:9890:8397:5d51%3]) with mapi id 15.20.1361.016; Thu, 22 Nov 2018 05:14:49 +0000 From: Yogesh Narayan Gaur To: "linux-mtd@lists.infradead.org" , "boris.brezillon@bootlin.com" , "broonie@kernel.org" , "marek.vasut@gmail.com" , "vigneshr@ti.com" , "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" CC: "robh@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , "linux-arm-kernel@lists.infradead.org" , "computersforpeace@gmail.com" , "frieder.schrempf@exceet.de" , "linux-kernel@vger.kernel.org" , Yogesh Narayan Gaur Subject: [PATCH v4 4/7] mtd: spi-nor: add octo read flag for flash mt35xu512aba Thread-Topic: [PATCH v4 4/7] mtd: spi-nor: add octo read flag for flash mt35xu512aba Thread-Index: AQHUgiJKOabH5QrebUa55cHJjfKX3g== Date: Thu, 22 Nov 2018 05:14:48 +0000 Message-ID: <1542863544-21257-5-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1542863544-21257-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1542863544-21257-1-git-send-email-yogeshnarayan.gaur@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: SG2PR01CA0106.apcprd01.prod.exchangelabs.com (2603:1096:3:15::32) To VI1PR04MB5726.eurprd04.prod.outlook.com (2603:10a6:803:e4::24) authentication-results: spf=none (sender IP is ) smtp.mailfrom=yogeshnarayan.gaur@nxp.com; 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This flash, mt35xu512aba, is only complaint to SFDP JESD216B and does not seem to support newer JESD216C standard that provides auto detection of Octal mode capabilities and opcodes. Therefore, this capability is manually added using new SPI_NOR_OCTO_READ flag. Signed-off-by: Vignesh R Signed-off-by: Yogesh Gaur --- Changes for v4: - None Changes for v3: - Modified string 'octal' with 'octo'. Changes for v2: - Incorporated review comments of Boris and Vignesh drivers/mtd/spi-nor/spi-nor.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c index 356ac5d..347f17f 100644 --- a/drivers/mtd/spi-nor/spi-nor.c +++ b/drivers/mtd/spi-nor/spi-nor.c @@ -1413,7 +1413,8 @@ static const struct flash_info spi_nor_ids[] = { /* Micron */ { "mt35xu512aba", INFO(0x2c5b1a, 0, 128 * 1024, 512, - SECT_4K | USE_FSR | SPI_NOR_4B_OPCODES) + SECT_4K | USE_FSR | SPI_NOR_OCTO_READ | + SPI_NOR_4B_OPCODES) }, /* PMC */