Messages in this thread | | | Subject | Re: DMA mapping | Date | Tue, 7 Mar 2000 14:23:33 +0000 (GMT) | From | Alan Cox <> |
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> of times the Qlogic f/w is confused and returns garbage instead of the correct > handle- it's much easier to detect this when you have an index in the range of > 0 to 1024 rather than assume what you get back from the card is a valid > pointer.
I did the same for the i2o_block driver where I only had a 32bit wide field. Much to my suprise having the index also meant I could use it for other things I needed to hang on the requests and speeded the driver up
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