From: Timur Tabi <timur@freescale•com>
To: Scott Wood <scottwood@freescale•com>
Cc: linuxppc-dev@ozlabs•org, lhthanh <lhthanh@kobekara•com>
Subject: Re: MPC8349E's DMA controller like ISA controller but with more feature?
Date: Mon, 20 Apr 2009 12:23:52 -0500 [thread overview]
Message-ID: <ed82fe3e0904201023q120e7ae1o7f4a4ddeb36d1e27@mail.gmail.com> (raw)
In-Reply-To: <20090420155511.GA25470@ld0162-tx32.am.freescale.net>
On Mon, Apr 20, 2009 at 10:55 AM, Scott Wood <scottwood@freescale•com> wrot=
e:
> No. =A0It is for software-directed memory-to-memory transfers (where
> "memory" can be main-memory, or the buffer of a device that doesn't do
> DMA itself).
It can also be used to transfer data to/from a single I/O register,
which is how ISA DMA is frequently used.
--=20
Timur Tabi
Linux kernel developer at Freescale
next prev parent reply other threads:[~2009-04-20 17:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-20 12:38 MPC8349E's DMA controller like ISA controller but with more feature? lhthanh
2009-04-20 15:55 ` Scott Wood
2009-04-20 17:23 ` Timur Tabi [this message]
[not found] ` <49EFEA26.2010602@kobekara.com>
[not found] ` <20090423154311.GA19717@ld0162-tx32.am.freescale.net>
[not found] ` <49F08FBC.9010903@freescale.com>
2009-04-24 6:12 ` lhthanh
2009-04-24 14:40 ` Timur Tabi
2009-05-07 1:59 ` lhthanh
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=ed82fe3e0904201023q120e7ae1o7f4a4ddeb36d1e27@mail.gmail.com \
--to=timur@freescale$(echo .)com \
--cc=lhthanh@kobekara$(echo .)com \
--cc=linuxppc-dev@ozlabs$(echo .)org \
--cc=scottwood@freescale$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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