From: Stephen Warren <swarren@wwwdotorg.org>
To: Laxman Dewangan <ldewangan@nvidia.com>
Cc: linux@arm.linux.org.uk, linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ARM: tegra: dts: add aliases and DMA requestor for serial controller
Date: Wed, 19 Dec 2012 10:00:59 -0700 [thread overview]
Message-ID: <50D1F2CB.3090206@wwwdotorg.org> (raw)
In-Reply-To: <1355898671-3960-1-git-send-email-ldewangan@nvidia.com>
On 12/18/2012 11:31 PM, Laxman Dewangan wrote:
> Add APB DMA requestor and serial aliases for serial controller.
> There will be two serial driver i.e. 8250 based simple serial driver
> and APB DMA based serial driver for higher baudrate and performace.
>
> The simple serial driver get enabled with compatible nvidia,tegra20-uart
> and APB DMA based driver will get enabled with compatible
> nvidia,tegra20-hsuart.
This patch seems to do two things:
1) Add a comment describing how to select the basic or DMA-based driver.
I can see why this is useful.
2) Add aliases for the serial ports. I have no idea why this is useful.
next prev parent reply other threads:[~2012-12-19 17:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-19 6:31 [PATCH] ARM: tegra: dts: add aliases and DMA requestor for serial controller Laxman Dewangan
2012-12-19 17:00 ` Stephen Warren [this message]
2012-12-20 6:15 ` Laxman Dewangan
2012-12-20 17:03 ` Stephen Warren
2012-12-21 4:18 ` Laxman Dewangan
2012-12-21 20:50 ` Stephen Warren
2012-12-22 20:15 ` Laxman Dewangan
2012-12-25 5:33 ` Stephen Warren
2012-12-25 9:43 ` Laxman Dewangan
2012-12-22 20:15 ` Laxman Dewangan
2013-01-02 19:19 ` Stephen Warren
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=50D1F2CB.3090206@wwwdotorg.org \
--to=swarren@wwwdotorg.org \
--cc=ldewangan@nvidia.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
/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