From: Wolfram Sang <wsa@the-dreams.de>
To: Liguo Zhang <liguo.zhang@mediatek.com>
Cc: srv_heupstream@mediatek.com,
Matthias Brugger <matthias.bgg@gmail.com>,
Eddie Huang <eddie.huang@mediatek.com>,
Xudong Chen <xudong.chen@mediatek.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v2 1/2] i2c: mediatek: add i2c first write then read optimization
Date: Tue, 1 Dec 2015 01:56:55 +0100 [thread overview]
Message-ID: <20151201005655.GC2064@katana> (raw)
In-Reply-To: <1447047839-5223-2-git-send-email-liguo.zhang@mediatek.com>
[-- Attachment #1: Type: text/plain, Size: 535 bytes --]
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!
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: wsa@the-dreams.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] i2c: mediatek: add i2c first write then read optimization
Date: Tue, 1 Dec 2015 01:56:55 +0100 [thread overview]
Message-ID: <20151201005655.GC2064@katana> (raw)
In-Reply-To: <1447047839-5223-2-git-send-email-liguo.zhang@mediatek.com>
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!
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20151201/e1db99ff/attachment.sig>
next prev parent reply other threads:[~2015-12-01 0:57 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-09 5:43 [PATCH v2 0/2] Mediatek I2C Fixup Liguo Zhang
2015-11-09 5:43 ` Liguo Zhang
2015-11-09 5:43 ` Liguo Zhang
2015-11-09 5:43 ` [PATCH v2 1/2] i2c: mediatek: add i2c first write then read optimization Liguo Zhang
2015-11-09 5:43 ` Liguo Zhang
2015-11-09 5:43 ` Liguo Zhang
2015-11-09 14:25 ` Andy Shevchenko
2015-11-09 14:25 ` Andy Shevchenko
2015-11-10 0:34 ` Daniel Kurtz
2015-11-10 0:34 ` Daniel Kurtz
2015-11-10 0:50 ` Yingjoe Chen
2015-11-10 0:50 ` Yingjoe Chen
2015-11-10 0:50 ` Yingjoe Chen
2015-12-01 0:56 ` Wolfram Sang [this message]
2015-12-01 0:56 ` Wolfram Sang
2015-11-09 5:43 ` [PATCH v2 2/2] i2c: mediatek: fix i2c multi transfer issue in high speed mode Liguo Zhang
2015-11-09 5:43 ` Liguo Zhang
2015-11-09 5:43 ` Liguo Zhang
[not found] ` <1447047839-5223-3-git-send-email-liguo.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
2015-11-14 14:38 ` Daniel Kurtz
2015-11-14 14:38 ` Daniel Kurtz
2015-11-14 14:38 ` Daniel Kurtz
2015-12-01 0:54 ` Wolfram Sang
2015-12-01 0:54 ` Wolfram Sang
2015-12-01 11:24 ` Liguo Zhang (张立国)
2015-12-01 11:24 ` Liguo Zhang (张立国)
2015-12-01 11:24 ` Liguo Zhang (张立国)
2015-12-02 2:51 ` liguo zhang
2015-12-02 2:51 ` liguo zhang
2015-12-02 2:51 ` liguo zhang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20151201005655.GC2064@katana \
--to=wsa@the-dreams.de \
--cc=eddie.huang@mediatek.com \
--cc=liguo.zhang@mediatek.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=s.hauer@pengutronix.de \
--cc=srv_heupstream@mediatek.com \
--cc=xudong.chen@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.