Re: DMA support for toshiba IDE controllers

[Alex Deucher]

Just to clarify, this is a custom Toshiba chipset.  It
includes IDE, PCI controller, etc.  I believe the IDE
controller may be on the ISA bus as it does not show
up with lspci, etc. I'm not sure of the exact chip,
perhaps someone with a better knowledge of toshiab
products does.

Thanks,

Alex

> Does anyone know if there is any DMA support for the
> toshiba IDE controller's in many of their portable
> models such as the older porteges and librettos? 
The
> controllers support DMA, but not in linux.  I'm not
> sure what toshiba's policy is on documentation. 
They
> used to be pretty stingy, but I heard they have
> recently opened up of lot of their doc's, like the
> oboe IR controller for instance. 
> 
> Thanks,
> 
> Alex
> 

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