From: Christoph Hellwig <hch@lst.de>
To: Sachin P <sachinpc@gmail.com>
Cc: Linuxppc-dev@ozlabs.org
Subject: Re: consistent_alloc() on PPC
Date: Wed, 19 Jan 2005 15:10:48 +0100 [thread overview]
Message-ID: <20050119141048.GA13254@lst.de> (raw)
In-Reply-To: <66164fbc0501190353485dc8e4@mail.gmail.com>
On Wed, Jan 19, 2005 at 05:23:17PM +0530, Sachin P wrote:
> Hi ,
> I am facing some problems porting my drivers to the PPC platform . Am
> currently using consistent_alloc() and consistent_free() to
> allocate/free (non-cached) DMA ble memory.
> Is there any function/patch/macro, equivalent to
> phy_to_virt()/virt_to_phy() for memory returned by consistent_alloc()?
Don't ever use concistant_alloc directly. Always use
dma_alloc_coherent() which will give you both virtual and bus address.
next prev parent reply other threads:[~2005-01-19 14:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-19 11:53 consistent_alloc() on PPC Sachin P
2005-01-19 14:04 ` Matt Porter
2005-01-19 14:10 ` Christoph Hellwig [this message]
2005-01-19 14:56 ` Matt Porter
2005-01-20 16:30 ` Sachin P
2005-01-20 18:16 ` Matt Porter
-- strict thread matches above, loose matches on Subject: below --
2005-01-19 11:53 Sachin P
2005-01-19 15:14 ` Jörn Engel
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=20050119141048.GA13254@lst.de \
--to=hch@lst.de \
--cc=Linuxppc-dev@ozlabs.org \
--cc=sachinpc@gmail.com \
/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.