From: Wolfram Sang <wsa@the-dreams.de>
To: "Adamski, Krzysztof (Nokia - PL/Wroclaw)" <krzysztof.adamski@nokia.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
"Sverdlin,
Alexander (Nokia - DE/Ulm)" <alexander.sverdlin@nokia.com>
Subject: Re: [PATCH v3] i2c: axxia: support slave mode
Date: Thu, 29 Aug 2019 21:08:39 +0200 [thread overview]
Message-ID: <20190829190839.GI3740@ninjato> (raw)
In-Reply-To: <20190819090700.GA17091@localhost.localdomain>
[-- Attachment #1: Type: text/plain, Size: 1113 bytes --]
On Mon, Aug 19, 2019 at 09:07:07AM +0000, Adamski, Krzysztof (Nokia - PL/Wroclaw) wrote:
> This device contains both master and slave controllers which can be
> enabled simultaneously. Both controllers share the same SDA/SCL lines
> and interrupt source but has separate control and status registers.
> Controllers also works in loopback mode - slave device can communicate
> with its own master controller internally. The controller can handle up
> to two addresses, both of which may be 10 bit. Most of the logic
> (sending (N)ACK, handling repeated start or switching between
> write/read) is handled automatically which makes working with this
> controller quite easy.
>
> For simplicity, this patch adds basic support, limiting to only one
> slave address. Support for the 2nd device may be added in the future.
>
> Note that synchronize_irq() is used to ensure any running slave interrupt
> is finished to make sure slave i2c_client structure can be safely used
> by i2c_slave_event.
>
> Signed-off-by: Krzysztof Adamski <krzysztof.adamski@nokia.com>
Applied to for-next, thanks!
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 833 bytes --]
prev parent reply other threads:[~2019-08-29 19:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-19 9:07 [PATCH v3] i2c: axxia: support slave mode Adamski, Krzysztof (Nokia - PL/Wroclaw)
2019-08-26 11:59 ` Sverdlin, Alexander (Nokia - DE/Ulm)
2019-08-29 19:08 ` Wolfram Sang [this message]
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=20190829190839.GI3740@ninjato \
--to=wsa@the-dreams.de \
--cc=alexander.sverdlin@nokia.com \
--cc=krzysztof.adamski@nokia.com \
--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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).