From: Mark Brown <broonie@kernel.org>
To: Vignesh R <vigneshr@ti.com>
Cc: Tony Lindgren <tony@atomide.com>,
Brian Norris <computersforpeace@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Russell King <linux@arm.linux.org.uk>,
hramrach@gmail.com, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mtd@lists.infradead.org, linux-spi@vger.kernel.org
Subject: Re: [PATCH v4 1/5] spi: introduce accelerated read support for spi flash devices
Date: Wed, 2 Dec 2015 19:41:25 +0000 [thread overview]
Message-ID: <20151202194125.GL1929@sirena.org.uk> (raw)
In-Reply-To: <1448860515-28336-2-git-send-email-vigneshr@ti.com>
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On Mon, Nov 30, 2015 at 10:45:11AM +0530, Vignesh R wrote:
> In addition to providing direct access to SPI bus, some spi controller
> hardwares (like ti-qspi) provide special port (like memory mapped port)
> that are optimized to improve SPI flash read performance.
I'm reasonably OK with this from the SPI side but I'd really like to see
people working on MTD say that this makes sense.
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Vignesh R <vigneshr@ti.com>
Cc: devicetree@vger.kernel.org, hramrach@gmail.com,
Russell King <linux@arm.linux.org.uk>,
Tony Lindgren <tony@atomide.com>,
linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org,
linux-omap@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
linux-mtd@lists.infradead.org,
Brian Norris <computersforpeace@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 1/5] spi: introduce accelerated read support for spi flash devices
Date: Wed, 2 Dec 2015 19:41:25 +0000 [thread overview]
Message-ID: <20151202194125.GL1929@sirena.org.uk> (raw)
In-Reply-To: <1448860515-28336-2-git-send-email-vigneshr@ti.com>
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On Mon, Nov 30, 2015 at 10:45:11AM +0530, Vignesh R wrote:
> In addition to providing direct access to SPI bus, some spi controller
> hardwares (like ti-qspi) provide special port (like memory mapped port)
> that are optimized to improve SPI flash read performance.
I'm reasonably OK with this from the SPI side but I'd really like to see
people working on MTD say that this makes sense.
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WARNING: multiple messages have this Message-ID (diff)
From: broonie@kernel.org (Mark Brown)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 1/5] spi: introduce accelerated read support for spi flash devices
Date: Wed, 2 Dec 2015 19:41:25 +0000 [thread overview]
Message-ID: <20151202194125.GL1929@sirena.org.uk> (raw)
In-Reply-To: <1448860515-28336-2-git-send-email-vigneshr@ti.com>
On Mon, Nov 30, 2015 at 10:45:11AM +0530, Vignesh R wrote:
> In addition to providing direct access to SPI bus, some spi controller
> hardwares (like ti-qspi) provide special port (like memory mapped port)
> that are optimized to improve SPI flash read performance.
I'm reasonably OK with this from the SPI side but I'd really like to see
people working on MTD say that this makes sense.
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next prev parent reply other threads:[~2015-12-02 19:41 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-30 5:15 [PATCH v4 0/5] Add memory mapped read support for ti-qspi Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` [PATCH v4 1/5] spi: introduce accelerated read support for spi flash devices Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-12-02 19:41 ` Mark Brown [this message]
2015-12-02 19:41 ` Mark Brown
2015-12-02 19:41 ` Mark Brown
[not found] ` <1448860515-28336-2-git-send-email-vigneshr-l0cyMroinI0@public.gmane.org>
2016-02-09 19:43 ` Applied "spi: introduce accelerated read support for spi flash devices" to the spi tree Mark Brown
2015-11-30 5:15 ` [PATCH v4 2/5] spi: spi-ti-qspi: add mmap mode read support Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 22:35 ` Felipe Balbi
2015-11-30 22:35 ` Felipe Balbi
2015-11-30 22:35 ` Felipe Balbi
2015-11-30 22:35 ` Felipe Balbi
2015-12-01 7:44 ` Vignesh R
2015-12-01 7:44 ` Vignesh R
2015-11-30 5:15 ` [PATCH v4 3/5] mtd: devices: m25p80: add support for mmap read request Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-12-03 9:42 ` Cyrille Pitchen
2015-12-03 9:42 ` Cyrille Pitchen
2015-12-03 9:42 ` Cyrille Pitchen
2015-12-03 11:23 ` Vignesh R
2015-12-03 11:23 ` Vignesh R
2015-12-03 11:23 ` Vignesh R
2015-11-30 5:15 ` [PATCH v4 4/5] ARM: dts: DRA7: add entry for qspi mmap region Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 22:01 ` Tony Lindgren
2015-11-30 22:01 ` Tony Lindgren
2015-11-30 22:01 ` Tony Lindgren
2015-11-30 22:34 ` Tony Lindgren
2015-11-30 22:34 ` Tony Lindgren
2015-11-30 22:34 ` Tony Lindgren
2015-11-30 22:34 ` Tony Lindgren
2015-11-30 22:34 ` Tony Lindgren
2015-12-01 4:45 ` Vignesh R
2015-12-01 4:45 ` Vignesh R
2015-12-01 4:45 ` Vignesh R
2015-12-01 16:39 ` Tony Lindgren
2015-12-01 16:39 ` Tony Lindgren
2015-12-03 10:21 ` Vignesh R
2015-12-03 10:21 ` Vignesh R
2015-12-10 5:04 ` Vignesh R
2015-12-10 5:04 ` Vignesh R
2015-12-10 5:04 ` Vignesh R
2015-12-10 17:44 ` Tony Lindgren
2015-12-10 17:44 ` Tony Lindgren
2015-12-10 17:44 ` Tony Lindgren
2015-11-30 5:15 ` [PATCH v4 5/5] ARM: dts: AM4372: " Vignesh R
2015-11-30 5:15 ` Vignesh R
2015-11-30 5:15 ` Vignesh R
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