From: Dan Williams <dan.j.williams@intel.com>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: linux-mips@linux-mips.org, ralf@linux-mips.org,
linux-kernel@vger.kernel.org, haavard.skinnemoen@atmel.com
Subject: Re: [PATCH 1/2] dmaengine: TXx9 Soc DMA Controller driver
Date: Tue, 31 Mar 2009 12:34:59 -0700 [thread overview]
Message-ID: <e9c3a7c20903311234t63335987l46480cd27a326022@mail.gmail.com> (raw)
In-Reply-To: <20090326.231243.112855442.anemo@mba.ocn.ne.jp>
On Thu, Mar 26, 2009 at 7:12 AM, Atsushi Nemoto <anemo@mba.ocn.ne.jp> wrote:
> On Sat, 21 Mar 2009 21:29:20 +0900 (JST), Atsushi Nemoto <anemo@mba.ocn.ne.jp> wrote:
> Unfortunately, not so simple. If I created a dma_device for each
> channel, all chan->chan_id will be 0 and all chan->device->dev points
> same platform device. This makes client driver hard to select the
> particular channel. Making a platform device for each channel will
> solve this, but it looks wrong way to go for me.
Why? mv_xor, iop-adma, and ioat each have a platform or pci device
per channel so you would be in good company.
next prev parent reply other threads:[~2009-03-31 19:35 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-13 15:28 Atsushi Nemoto
2009-02-26 1:45 ` Dan Williams
2009-02-26 15:24 ` Atsushi Nemoto
2009-03-12 16:19 ` Atsushi Nemoto
2009-03-13 14:16 ` Atsushi Nemoto
2009-03-16 21:50 ` Dan Williams
2009-03-17 2:20 ` Atsushi Nemoto
2009-03-17 4:52 ` Dan Williams
2009-03-17 16:09 ` Atsushi Nemoto
2009-03-17 17:02 ` Dan Williams
2009-03-18 0:49 ` Atsushi Nemoto
2009-03-18 1:23 ` Dan Williams
2009-03-18 2:01 ` Atsushi Nemoto
2009-03-18 17:26 ` Dan Williams
2009-03-21 12:29 ` Atsushi Nemoto
2009-03-26 14:12 ` Atsushi Nemoto
2009-03-31 19:34 ` Dan Williams [this message]
2009-04-01 16:20 ` Atsushi Nemoto
2009-03-16 21:20 ` Dan Williams
2009-03-17 1:52 ` Atsushi Nemoto
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