From: Yingjoe Chen <yingjoe.chen@mediatek•com>
To: Chuanhong Guo <gch981213@gmail•com>
Cc: Mark Rutland <mark.rutland@arm•com>,
devicetree@vger•kernel.org, Vignesh Raghavendra <vigneshr@ti•com>,
Tudor Ambarus <tudor.ambarus@microchip•com>,
Richard Weinberger <richard@nod•at>,
linux-kernel@vger•kernel.org, Rob Herring <robh+dt@kernel•org>,
linux-mtd@lists•infradead.org,
Miquel Raynal <miquel.raynal@bootlin•com>,
Matthias Brugger <matthias.bgg@gmail•com>,
linux-mediatek@lists•infradead.org,
Brian Norris <computersforpeace@gmail•com>,
David Woodhouse <dwmw2@infradead•org>,
linux-arm-kernel@lists•infradead.org
Subject: Re: [PATCH 1/2] mtd: mtk-quadspi: add support for memory-mapped flash reading
Date: Thu, 7 Nov 2019 21:23:16 +0800 [thread overview]
Message-ID: <1573132996.8833.3.camel@mtksdaap41> (raw)
In-Reply-To: <20191106140748.13100-2-gch981213@gmail.com>
On Wed, 2019-11-06 at 22:07 +0800, Chuanhong Guo wrote:
> PIO reading mode on this controller is ridiculously inefficient
> (one cmd+addr+dummy sequence reads only one byte)
> This patch adds support for reading from memory-mapped flash area
> which increases reading speed from 1MB/s to 5.6MB/s
This may not be true for all MTK SoC. Which one are you testing?
Joe.C
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next prev parent reply other threads:[~2019-11-07 13:23 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-06 14:07 [PATCH 0/2] mtd: mtk-quadspi: add support for memory-mapped flash reading Chuanhong Guo
2019-11-06 14:07 ` [PATCH 1/2] " Chuanhong Guo
2019-11-07 6:06 ` Vignesh Raghavendra
2019-11-07 9:31 ` Chuanhong Guo
2019-11-07 12:25 ` Vignesh Raghavendra
2019-11-07 13:23 ` Yingjoe Chen [this message]
2019-11-07 15:34 ` Chuanhong Guo
2019-11-08 3:52 ` Chuanhong Guo
2019-11-06 14:07 ` [PATCH 2/2] dt-bindings: mtd: mtk-quadspi: update bindings for mmap flash read Chuanhong Guo
2019-11-07 1:09 ` Rob Herring
2019-11-07 9:25 ` Chuanhong Guo
2019-11-08 3:51 ` Chuanhong Guo
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