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Re: [PATCH v2 1/2] i2c: mediatek: add i2c first write then read optimization

Started byWolfram Sang <wsa@the-dreams.de>
First post2015-12-01 02:00 +0100
Last post2015-12-01 02:00 +0100
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  Re: [PATCH v2 1/2] i2c: mediatek: add i2c first write then read  optimization Wolfram Sang <wsa@the-dreams.de> - 2015-12-01 02:00 +0100

#1280446 — Re: [PATCH v2 1/2] i2c: mediatek: add i2c first write then read optimization

FromWolfram Sang <wsa@the-dreams.de>
Date2015-12-01 02:00 +0100
SubjectRe: [PATCH v2 1/2] i2c: mediatek: add i2c first write then read optimization
Message-ID<qAHsu-2uI-11@gated-at.bofh.it>

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On Mon, Nov 09, 2015 at 01:43:58PM +0800, Liguo Zhang wrote:
> For platform with auto restart support, between every transfer,
> i2c controller will trigger an interrupt and SW need to handle
> it to start new transfer. When doing write-then-read transfer,
> instead of restart mechanism, using WRRD mode to have controller
> send both transfer in one request to reduce latency.
> 
> Signed-off-by: Liguo Zhang <liguo.zhang@mediatek.com>
> Reviewed-by: Eddie Huang <eddie.huang@mediatek.com>

Applied to for-next, thanks!

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