From: Wolfram Sang <wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org>
To: Fugang Duan <b38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org
Subject: Re: [PATCH] i2c: imx: change dev_info to dev_dbg to reduce dummy log
Date: Fri, 31 Jul 2015 13:04:43 +0200 [thread overview]
Message-ID: <20150731110442.GK1522@katana> (raw)
In-Reply-To: <1437985615-30791-1-git-send-email-b38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 789 bytes --]
On Mon, Jul 27, 2015 at 04:26:55PM +0800, Fugang Duan wrote:
> For most of imx platforms, there have no DMA support for I2C bus.
> So, by default, there is only cpu mode.
>
> The current driver to check whether there have DMA channel config in
> dts file to judge whether it support DMA mode or not, if doesn't config
> it print out "can't use DMA" for each bus during probe.
>
> kernel boot up log:
> i2c i2c-0: IMX I2C adapter registered
> i2c i2c-0: can't use DMA
> i2c i2c-1: IMX I2C adapter registered
> i2c i2c-1: can't use DMA
> i2c i2c-2: IMX I2C adapter registered
> i2c i2c-2: can't use DMA
> i2c i2c-3: IMX I2C adapter registered
> i2c i2c-3: can't use DMA
Let's just drop this message. There is a success message when DMA is
used which is good enough.
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]
prev parent reply other threads:[~2015-07-31 11:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 8:26 [PATCH] i2c: imx: change dev_info to dev_dbg to reduce dummy log Fugang Duan
[not found] ` <1437985615-30791-1-git-send-email-b38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
2015-07-31 11:04 ` 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=20150731110442.GK1522@katana \
--to=wsa-z923lk4zbo2bacvfa/9k2g@public.gmane.org \
--cc=Frank.Li-KZfg59tc24xl57MIdRCFDg@public.gmane.org \
--cc=b38611-KZfg59tc24xl57MIdRCFDg@public.gmane.org \
--cc=linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.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