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SubjectRe: Can't disable IDE DMA on 2.6.0-test9 (patch)
>>>>> "Bartlomiej" == Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl> writes:

Bartlomiej> On Friday 21 of November 2003 00:05, Peter Chubb wrote:
>> Hi Folks,

Bartlomiej> Hi,

>> If you try to disable IDE DMA from Kconfig, you'll end up with an
>> undefined symbol, ide_hwif_setup_dma().
>>
>> The attached rather ugly patch fixes the problem by defining a
>> dummy function.

Bartlomiej> Not exactly. Disable IDE DMA and enable support for every
Bartlomiej> PCI chipset. Now try to compile... welcome to compile
Bartlomiej> time hell :-).

If you disable IDE_DMA, then the other chipset drivers cannot be
enabled --- the config system won't let you.
With IDE_DMA disabled and all chipsets disabled, I see:

drivers/built-in.o(.text+0x9f8bc): In function `ide_hwif_setup_dma':
: undefined reference to `ide_setup_dma'

And *that's* what my patch was supposed to fix.

--
Dr Peter Chubb http://www.gelato.unsw.edu.au peterc AT gelato.unsw.edu.au
The technical we do immediately, the political takes *forever*
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