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From: <Tudor.Ambarus@microchip.com>
To: <yogeshnarayan.gaur@nxp.com>, <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>
Subject: Re: [PATCH v7 3/5] mtd: m25p80: add support of octal mode I/O transfer
Date: Thu, 17 Jan 2019 07:16:01 +0000	[thread overview]
Message-ID: <8381785e-95c2-8dfc-6fac-ea4710b3c943@microchip.com> (raw)
In-Reply-To: <1547546584-5254-4-git-send-email-yogeshnarayan.gaur@nxp.com>



On 01/15/2019 12:05 PM, Yogesh Narayan Gaur wrote:
> 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 Narayan Gaur <yogeshnarayan.gaur@nxp.com>

Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>

> ---
>  drivers/mtd/devices/m25p80.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
> index c4a1d04b8c80..651bab6d4e31 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)
> 

  reply	other threads:[~2019-01-17  7:16 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-15 10:05 [PATCH v7 0/5] spi: add support for octal mode Yogesh Narayan Gaur
2019-01-15 10:05 ` [PATCH v7 1/5] mtd: spi-nor: add opcodes for octal Read/Write commands Yogesh Narayan Gaur
2019-01-19 15:42   ` [v7,1/5] " Boris Brezillon
2019-01-15 10:05 ` [PATCH v7 2/5] mtd: spi-nor: add octal read flag for flash mt35xu512aba Yogesh Narayan Gaur
2019-01-16  6:19   ` Tudor.Ambarus
2019-01-19 15:42   ` [v7,2/5] " Boris Brezillon
2019-01-15 10:05 ` [PATCH v7 3/5] mtd: m25p80: add support of octal mode I/O transfer Yogesh Narayan Gaur
2019-01-17  7:16   ` Tudor.Ambarus [this message]
2019-01-19 15:41   ` [v7,3/5] " Boris Brezillon
2019-01-15 10:05 ` [PATCH v7 4/5] spi: nxp-fspi: add octal mode flag bit for octal support Yogesh Narayan Gaur
2019-01-28 12:26   ` Mark Brown
2019-01-28 12:30     ` Mark Brown
2019-01-15 10:05 ` [PATCH v7 5/5] arm64: dts: lx2160a: update fspi node Yogesh Narayan Gaur
2019-02-01  3:51   ` Shawn Guo

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