Messages in this thread | | | Date | Thu, 25 Aug 2011 21:19:12 +0300 | From | "Michael S. Tsirkin" <> | Subject | Re: Broken pci_block_user_cfg_access interface |
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On Thu, Aug 25, 2011 at 03:06:01PM +0200, Jan Kiszka wrote: > > I took a look at the sysfs triggered pci reset function and don't see any way > > that the controlling device driver ever gets to be involved in this reset. > > If code outside the ipr driver were to reset the adapter, the adapter firmware > > would be left in an uninitialized state and until scsi core starts timing > > out ops and driving EH, the card would be unusable. I can't imagine the > > ipr driver is unique in this. > > Right, that's why a PCI core service is needed for coordination. > > Jan
But why do we want to trigger reset through sysfs while the driver runs?
> -- > Siemens AG, Corporate Technology, CT T DE IT 1 > Corporate Competence Center Embedded Linux
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