RE: the patch of restore-pci-config-space-on-resume break S1 onASUS2400 NE

[Alan Cox]

On Llu, 2004-12-27 at 10:14, Yu, Luming wrote:
>  Actually, the kernel (after removing restore-pci-config-space-on-resume patch) with option "ide=nodma" 
> can work with S1 suspend/resume without any hang so far.
>   So my suggestion for IDE driver is to disable DMA before entering S1, and enable
> DMA after resuming from S1 if DMA was enabled.  I need help from IDE guys to confirm it.

The IDE layer has no problem doing this, although it raises interesting
questions about why it would be neccessary. 

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