linux-kernel - Re: [PATCH] dma: amba-pl08x: Export pl08x_filter

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Message-Id: <201208160906.21950.arnd@arndb.de>
Date:	Thu, 16 Aug 2012 09:06:21 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	"Russell King - ARM Linux" <linux@....linux.org.uk>
Cc:	Roland Stigge <stigge@...com.de>, artem.bityutskiy@...ux.intel.com,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	kevin.wells@....com, srinivas.bakki@....com, aletes.xgr@...il.com,
	dwmw2@...radead.org, linux-mtd@...ts.infradead.org
Subject: Re: [PATCH] dma: amba-pl08x: Export pl08x_filter_id

On Thursday 16 August 2012, Russell King - ARM Linux wrote:
> On Thu, Aug 16, 2012 at 10:56:36AM +0200, Roland Stigge wrote:
> > This patch fixes the following when compiling a driver module that uses
> > amba-pl08x:
> > 
> > ERROR: "pl08x_filter_id" [drivers/mtd/nand/lpc32xx_slc.ko] undefined!
> > ERROR: "pl08x_filter_id" [drivers/mtd/nand/lpc32xx_mlc.ko] undefined!
> > 
> > (drivers/mtd/nand/lpc32xx_* are still in l2-mtd.git)
> 
> It is currently intended that this be passed from platform code into
> drivers via platform data, so that drivers can decide which DMA engine
> they wish to make use of.
> 
> See how all the AMBA drivers work in this regard (because they need to
> support more than just a single DMA engine implementation.)

Ah, you're right, I forgot about that. I'll take back my Ack then.

	Arnd
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