Messages in this thread | | | Subject | RE: the patch of restore-pci-config-space-on-resume break S1 on ASUS2400 NE | From | Alan Cox <> | Date | Mon, 27 Dec 2004 13:44:52 +0000 |
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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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