Message ID | 1543826226-30898-6-git-send-email-yogeshnarayan.gaur@nxp.com |
---|---|
State | Superseded |
Headers | show
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Mon, 3 Dec 2018 08:39:31 +0000 From: Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> To: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>, "boris.brezillon@bootlin.com" <boris.brezillon@bootlin.com>, "broonie@kernel.org" <broonie@kernel.org>, "marek.vasut@gmail.com" <marek.vasut@gmail.com>, "vigneshr@ti.com" <vigneshr@ti.com>, "linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org> Subject: [PATCH v5 5/7] mtd: m25p80: add support of octal mode I/O transfer Thread-Topic: [PATCH v5 5/7] mtd: m25p80: add support of octal mode I/O transfer Thread-Index: AQHUiuO17akHSyxjLkG7oUtpm1hInw== Date: Mon, 3 Dec 2018 08:39:31 +0000 Message-ID: <1543826226-30898-6-git-send-email-yogeshnarayan.gaur@nxp.com> References: <1543826226-30898-1-git-send-email-yogeshnarayan.gaur@nxp.com> In-Reply-To: <1543826226-30898-1-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: SG2PR04CA0143.apcprd04.prod.outlook.com (2603:1096:3:16::27) 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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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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spi: add support for octal mode
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expand
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diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index c4a1d04..651bab6 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -195,7 +195,14 @@ static int m25p_probe(struct spi_mem *spimem) spi_mem_set_drvdata(spimem, flash); flash->spimem = spimem; - if (spi->mode & SPI_RX_QUAD) { + if (spi->mode & SPI_RX_OCTAL) { + hwcaps.mask |= SNOR_HWCAPS_READ_1_1_8; + + if (spi->mode & SPI_TX_OCTAL) + hwcaps.mask |= (SNOR_HWCAPS_READ_1_8_8 | + SNOR_HWCAPS_PP_1_1_8 | + SNOR_HWCAPS_PP_1_8_8); + } else if (spi->mode & SPI_RX_QUAD) { hwcaps.mask |= SNOR_HWCAPS_READ_1_1_4; if (spi->mode & SPI_TX_QUAD)
Add support for octal mode I/O data transfer based on the controller (spi) mode. Assign hw-capability mask bits for octal transfer. Signed-off-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com> --- Changes for v5: - Modified string 'octo' with 'octal'. Changes for v4: - None Changes for v3: - Modified string 'octal' with 'octo'. Changes for v2: - Incorporated review comments of Boris. drivers/mtd/devices/m25p80.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)