From: Wolfram Sang <wsa@kernel.org>
To: Chris Packham <chris.packham@alliedtelesis.co.nz>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/4] i2c: mpc: Interrupt driven transfer
Date: Tue, 13 Apr 2021 14:22:58 +0200 [thread overview]
Message-ID: <20210413122258.GC1553@kunai> (raw)
In-Reply-To: <20210413050956.23264-3-chris.packham@alliedtelesis.co.nz>
[-- Attachment #1: Type: text/plain, Size: 587 bytes --]
On Tue, Apr 13, 2021 at 05:09:53PM +1200, Chris Packham wrote:
> The fsl-i2c controller will generate an interrupt after every byte
> transferred. Make use of this interrupt to drive a state machine which
> allows the next part of a transfer to happen as soon as the interrupt is
> received. This is particularly helpful with SMBUS devices like the LM81
> which will timeout if we take too long between bytes in a transfer.
>
> Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Thanks for the update. I'll wait a little, because IIRC Andy wanted to
review.
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
next prev parent reply other threads:[~2021-04-13 12:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-13 5:09 [PATCH v3 0/4] i2c: mpc: Refactor to improve responsiveness Chris Packham
2021-04-13 5:09 ` [PATCH v3 1/4] i2c: mpc: use device managed APIs Chris Packham
2021-04-13 12:21 ` Wolfram Sang
2021-04-13 13:31 ` Andy Shevchenko
2021-04-13 13:31 ` Andy Shevchenko
2021-04-13 5:09 ` [PATCH v3 2/4] i2c: mpc: Interrupt driven transfer Chris Packham
2021-04-13 12:22 ` Wolfram Sang [this message]
2021-04-13 13:52 ` Andy Shevchenko
2021-04-13 22:28 ` Chris Packham
2021-04-13 23:23 ` Chris Packham
2021-04-13 5:09 ` [PATCH v3 3/4] i2c: mpc: Remove redundant NULL check Chris Packham
2021-04-13 12:27 ` Wolfram Sang
2021-04-13 5:09 ` [PATCH v3 3/3] MAINTAINERS: Add Chris Packham as FREESCALE MPC I2C maintainer Chris Packham
2021-04-13 5:14 ` Chris Packham
2021-04-13 11:19 ` Andy Shevchenko
2021-04-13 5:09 ` [PATCH v3 4/4] " Chris Packham
2021-04-13 12:27 ` Wolfram Sang
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=20210413122258.GC1553@kunai \
--to=wsa@kernel.org \
--cc=andy.shevchenko@gmail.com \
--cc=chris.packham@alliedtelesis.co.nz \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/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.