Re: [PATCH] SCSI midlayer power management

From: Alan Cox
Date: Wed Aug 11 2004 - 11:28:05 EST


On Mer, 2004-08-11 at 14:37, James Bottomley wrote:
> Actually, the answer is to most intents and purposes "yes". You are
> technically correct: there's no way to disable DMA in SCSI. However,
> once a device is quiesced, it has no outstanding commands, so there will
> be no outstanding DMA to that device.

In addition we are not doing SCSI target so multi-initiator is ok.
One question James - what are the rules for power management with
SCSI when we provide termpwr to a shared bus ?

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