On 09/07/2007 06:47 PM, Jeff Garzik wrote: >>> This is useful when debugging, handling problem systems, or for >>> distributions just to get the system installed so it can be sorted >>> out later. >>> >>> This is a bit smarter than the old IDE one and lets you do >>> >>> libata.pata_dma=0 Disable all PATA DMA like old IDE >>> libata.pata_dma=1 Disk DMA only >>> libata.pata_dma=2 ATAPI DMA only >>> libata.pata_dma=4 CF DMA only >>> > > FWIW -- as I noted to Alan personally at KS, I would rather drop the > "pata_" and have it apply to all, PATA or SATA. > Not sure that's a good idea for people who need to use it as a workaround. E.g. they might have DMA working on some SATA devices but not on PATA, and only want to disable the PATA DMA. Either adding a separate "sata_dma" or additional bitfields for SATA would be useful. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
