linux-kernel - Re: [PATCH 1/2] mtd: lpc32xx_slc: Adjust to pl08x DMA interface changes

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Date:	Thu, 16 Aug 2012 10:46:48 +0200
From:	Roland Stigge <stigge@...com.de>
To:	artem.bityutskiy@...ux.intel.com
CC:	linux-arm-kernel@...ts.infradead.org, arnd@...db.de,
	linux@....linux.org.uk, 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 1/2] mtd: lpc32xx_slc: Adjust to pl08x DMA interface changes

Hi,

On 08/15/2012 12:37 PM, Artem Bityutskiy wrote:
> On Thu, 2012-07-12 at 14:22 +0200, Roland Stigge wrote:
>> This patch adjusts the LPC32xx SLC NAND driver to the new pl08x
>> DMA interface, fixing the compile error resulting from changed
>> pl08x structures.
>> 
>> Signed-off-by: Roland Stigge <stigge@...com.de>
> 
> This patch breaks compilation:
> 
> ERROR: "pl08x_filter_id" [drivers/mtd/nand/lpc32xx_slc.ko]
> undefined!
> 
> Please, send a fix. The defconfig I used is attached.

Thanks for the note. The issue happens on compiling lpc32xx_slc and
lpc32xx_mlc as a module. Caused by pl08x_filter_id not being exported.
Looking at other dma drivers, they have an EXPORT_SYMBOL() for this,
see also

drivers/dma/coh901318.c
drivers/dma/sirf-dma.c

Will post a respective adjustment for drivers/dma/amba-pl08x.c separately.

Roland
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