PCI chipset -- module vs. compiled-in

[Jamon Camisso]

William Park wrote:
> Normally, my PCI chipset is compiled in.  But, for experiment, I
> tried compiling in only the "generic" options, and moved all specific
> PCI chipsets (ie. via82cxxx, hpt366) as modules.
> 
> Hotplug loads all the modules alright, but with all 'hdparm' options
> turned off.  When I tried turning on DMA, 
>     $ hdparm -m 16 -c 1 -u 1 -d 1 /dev/hda
> I get
>     /dev/hda:
>      setting 32-bit IO_support flag to 1
>      setting multcount to 16
>      setting unmaskirq to 1 (on)
>      setting using_dma to 1 (on)
>      HDIO_SET_DMA failed: Operation not permitted
>      multcount    = 16 (on)
>      IO_support   =  1 (32-bit)
>      unmaskirq    =  1 (on)
>      using_dma    =  0 (off)
> 
> Is this normal?  Has anyone encountered this before?  I thought I should
> check here first.

Would enabling this line do it?
CONFIG_BLK_DEV_IDEDMA_PCI=y

Jamon
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