linux-kernel - Re: [PATCH v2] fsl-dma: allow Freescale Elo DMA driver to be compiled as a module

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Date:	Sat, 27 Sep 2008 11:13:20 -0700
From:	"Dan Williams" <dan.j.williams@...el.com>
To:	"Timur Tabi" <timur@...escale.com>
Cc:	linuxppc-dev@...abs.org, linux-kernel@...r.kernel.org,
	leoli@...escale.com
Subject: Re: [PATCH v2] fsl-dma: allow Freescale Elo DMA driver to be compiled as a module

On Wed, Sep 24, 2008 at 2:59 PM, Timur Tabi <timur@...escale.com> wrote:
> Modify the Freescale Elo / Elo Plus DMA driver so that it can be compiled as
> a module.
>
> The primary change is to stop treating the DMA controller as a bus, and the
> DMA channels as devices on the bus.  This is because the Open Firmware (OF)
> kernel code does not allow busses to be removed, so although we can call
> of_platform_bus_probe() to probe the DMA channels, there is no
> of_platform_bus_remove().  Instead, the DMA channels are manually probed,
> similar to what fsl_elbc_nand.c does.
>
> Signed-off-by: Timur Tabi <timur@...escale.com>

Applied to async_tx.git/next.

--
Dan
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