From: Scott Wood <scottwood@freescale•com>
To: Ron Madrid <ron_madrid@sbcglobal•net>
Cc: linuxppc-dev@ozlabs•org
Subject: Re: Using DMA interrupt on MPC8313
Date: Mon, 16 Jun 2008 13:40:52 -0500 [thread overview]
Message-ID: <4856B3B4.9020206@freescale.com> (raw)
In-Reply-To: <788575.91210.qm@web83508.mail.sp1.yahoo.com>
Ron Madrid wrote:
> I don't see a "dma" node in the mpc8377mds.dts (2.6.25). I found one in mpc8610_hpcd.dts and
> modeled it after that.
Try head-of-tree.
> dma@82a8 {
> #address-cells = <1>;
> #size-cells = <1>;
> compatible = "fsl,elo-dma";
> cell-index = <0>;
> reg = <0x82a8 0x4>; /* DMA general status register */
> ranges = <0x0 0x8100 0x200>;
Should also put the interrupts in the dma node itself, so that the
driver can register it once and use the shared status register (but
don't remove it from the individual channels).
-Scott
next prev parent reply other threads:[~2008-06-16 18:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-12 19:35 Using DMA interrupt on MPC8313 Ron Madrid
2008-06-12 19:47 ` Kumar Gala
2008-06-12 20:04 ` Ron Madrid
2008-06-12 23:01 ` Kumar Gala
2008-06-13 19:02 ` Ron Madrid
2008-06-13 23:33 ` Kumar Gala
2008-06-13 23:52 ` Ron Madrid
2008-06-13 23:54 ` Timur Tabi
2008-06-14 0:19 ` Ron Madrid
2008-06-16 14:11 ` Timur Tabi
2008-06-16 14:44 ` Kumar Gala
2008-06-16 17:13 ` Ron Madrid
2008-06-16 17:32 ` Scott Wood
2008-06-16 18:07 ` Ron Madrid
2008-06-16 18:11 ` Timur Tabi
2008-06-16 18:40 ` Scott Wood [this message]
2008-06-16 19:10 ` Ron Madrid
2008-06-24 5:54 ` jumpingProgrammer
2008-06-24 18:04 ` Scott Wood
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