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From: Sourav Poddar <sourav.poddar@ti.com>
To: Brian Norris <computersforpeace@gmail.com>
Cc: Marek Vasut <marex@denx.de>,
	devicetree@vger.kernel.org, b44548@freescale.com,
	dedekind1@gmail.com, b18965@freescale.com,
	linux-spi@vger.kernel.org, Huang Shijie <b32955@freescale.com>,
	Mark Brown <broonie@kernel.org>,
	linux-mtd@lists.infradead.org, kernel@pengutronix.de,
	shawn.guo@linaro.org, dwmw2@infradead.org,
	wangyuhang <wangyuhang2014@gmail.com>,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH V1 3/5] mtd: m25p80: add the quad-read support
Date: Fri, 23 Aug 2013 16:57:30 +0530	[thread overview]
Message-ID: <52174722.7010604@ti.com> (raw)
In-Reply-To: <52174640.701@gmail.com>

Hi,
On Friday 23 August 2013 04:53 PM, Brian Norris wrote:
> On 08/22/2013 12:55 PM, Mark Brown wrote:
>> On Thu, Aug 22, 2013 at 12:34:53PM -0700, Brian Norris wrote:
>>> What you're really missing from device-tree (and the SPI subystem in
>>> general) is how to detect those SPI controllers which support dual and
>>> quad mode transfers, and how to communicate that a particular SPI
>>> transaction should be performed on 1 or 4 IO lines. We shouldn't have
>>> this just hacked in via assumptions.
>>
>> That bit does need to be fixed in this driver, yes.  The SPI core now
>> has quad mode support.
>
> Where? Perhaps I'm missing the obvious, but I don't see SPI core quad 
> support in linux-next or in Linus' tree.
>
You can find it here in Mark's tree:
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
branch: remotes/brownspi/spi-next
> Brian
>
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/

WARNING: multiple messages have this Message-ID (diff)
From: sourav.poddar@ti.com (Sourav Poddar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V1 3/5] mtd: m25p80: add the quad-read support
Date: Fri, 23 Aug 2013 16:57:30 +0530	[thread overview]
Message-ID: <52174722.7010604@ti.com> (raw)
In-Reply-To: <52174640.701@gmail.com>

Hi,
On Friday 23 August 2013 04:53 PM, Brian Norris wrote:
> On 08/22/2013 12:55 PM, Mark Brown wrote:
>> On Thu, Aug 22, 2013 at 12:34:53PM -0700, Brian Norris wrote:
>>> What you're really missing from device-tree (and the SPI subystem in
>>> general) is how to detect those SPI controllers which support dual and
>>> quad mode transfers, and how to communicate that a particular SPI
>>> transaction should be performed on 1 or 4 IO lines. We shouldn't have
>>> this just hacked in via assumptions.
>>
>> That bit does need to be fixed in this driver, yes.  The SPI core now
>> has quad mode support.
>
> Where? Perhaps I'm missing the obvious, but I don't see SPI core quad 
> support in linux-next or in Linus' tree.
>
You can find it here in Mark's tree:
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
branch: remotes/brownspi/spi-next
> Brian
>
> ______________________________________________________
> Linux MTD discussion mailing list
> http://lists.infradead.org/mailman/listinfo/linux-mtd/

  reply	other threads:[~2013-08-23 11:27 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-19  4:09 [PATCH V1 0/5] Add the Quadspi driver for vf610-twr Huang Shijie
2013-08-19  4:09 ` Huang Shijie
2013-08-19  4:09 ` [PATCH V1 1/5] mtd: m25p80: move the spi-nor commands to a header Huang Shijie
2013-08-19  4:09   ` Huang Shijie
2013-08-19  4:10 ` [PATCH V1 2/5] mtd: m25p80: add support for Spansion s25fl128s chip Huang Shijie
2013-08-19  4:10   ` Huang Shijie
2013-08-19  4:10 ` [PATCH V1 3/5] mtd: m25p80: add the quad-read support Huang Shijie
2013-08-19  4:10   ` Huang Shijie
2013-08-22 19:34   ` Brian Norris
2013-08-22 19:34     ` Brian Norris
2013-08-22 19:55     ` Mark Brown
2013-08-22 19:55       ` Mark Brown
2013-08-22 20:29       ` Marek Vasut
2013-08-22 20:29         ` Marek Vasut
2013-08-22 23:36         ` Mark Brown
2013-08-22 23:36           ` Mark Brown
2013-08-22 23:58           ` Marek Vasut
2013-08-22 23:58             ` Marek Vasut
2013-08-23  9:41             ` Mark Brown
2013-08-23  9:41               ` Mark Brown
2013-08-23 10:42               ` Marek Vasut
2013-08-23 10:42                 ` Marek Vasut
2013-08-23 11:46               ` Brian Norris
2013-08-23 11:46                 ` Brian Norris
2013-08-23 11:53                 ` Brian Norris
2013-08-23 11:53                   ` Brian Norris
2013-08-23 12:01                   ` Mark Brown
2013-08-23 12:01                     ` Mark Brown
2013-08-23 13:20                   ` yuhang wang
2013-08-23 13:20                     ` yuhang wang
2013-08-23  6:26       ` Huang Shijie
2013-08-23  6:26         ` Huang Shijie
2013-08-23 11:23       ` Brian Norris
2013-08-23 11:23         ` Brian Norris
2013-08-23 11:27         ` Sourav Poddar [this message]
2013-08-23 11:27           ` Sourav Poddar
2013-08-23 11:30         ` Mark Brown
2013-08-23 11:30           ` Mark Brown
2013-08-23  9:05   ` yuhang wang
2013-08-23  9:05     ` yuhang wang
2013-08-23  9:25     ` Huang Shijie
2013-08-23  9:25       ` Huang Shijie
2013-08-23  9:57       ` Sourav Poddar
2013-08-23  9:57         ` Sourav Poddar
2013-08-24  2:45         ` Huang Shijie
2013-08-24  2:45           ` Huang Shijie
2013-08-23 15:59           ` Sourav Poddar
2013-08-23 15:59             ` Sourav Poddar
2013-08-23 13:59       ` yuhang wang
2013-08-23 13:59         ` yuhang wang
2013-08-24  3:01         ` Huang Shijie
2013-08-24  3:01           ` Huang Shijie
2013-08-19  4:10 ` [PATCH V1 4/5] spi: Add Freescale QuadSpi driver Huang Shijie
2013-08-19  4:10   ` Huang Shijie
2013-08-22 19:21   ` Brian Norris
2013-08-22 19:21     ` Brian Norris
2013-08-23  2:14     ` Huang Shijie
2013-08-23  2:14       ` Huang Shijie
2013-08-23  6:59     ` Huang Shijie
2013-08-23  6:59       ` Huang Shijie
2013-08-23 16:44   ` Mark Brown
2013-08-23 16:44     ` Mark Brown
2013-08-24  7:11     ` Brian Norris
2013-08-24  7:11       ` Brian Norris
2013-08-24 13:42     ` Huang Shijie
2013-08-24 13:42       ` Huang Shijie
2013-08-19  4:10 ` [PATCH V1 5/5] ARM: dts: vf610-twr: Add SPI NOR support Huang Shijie
2013-08-19  4:10   ` Huang Shijie

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