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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20151201005655.GC2064@katana>
Date:	Tue, 1 Dec 2015 01:56:55 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Liguo Zhang <liguo.zhang@...iatek.com>
Cc:	srv_heupstream@...iatek.com,
	Matthias Brugger <matthias.bgg@...il.com>,
	Eddie Huang <eddie.huang@...iatek.com>,
	Xudong Chen <xudong.chen@...iatek.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v2 1/2] i2c: mediatek: add i2c first write then read
 optimization

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@...iatek.com>
> Reviewed-by: Eddie Huang <eddie.huang@...iatek.com>

Applied to for-next, thanks!


Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)