[SCSI] aic7xxx: move to dma_get_required_mask() and correct 39 bit assumptions

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This patch moves aic7xxx over to the dma_get_required_mask() API and
dumps its open coded memory check.

It also appears from this bug:

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=167049

That 39 bit addressing doesn't work on older cards.  I surmise that the
AHC_LARGE_SCBS flag is the one that marks cards capable of using 39 bit
addressing, so I also folded that check into the code.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

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This commit is contained in:

James Bottomley 2005-08-30 11:48:07 -05:00 • committed by James Bottomley

parent 154fb614df

commit a89f29f6ea

3 changed files with 5 additions and 14 deletions

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9

drivers/scsi/aic7xxx/aic7xxx_osm.c

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2

drivers/scsi/aic7xxx/aic7xxx_osm.h

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8

drivers/scsi/aic7xxx/aic7xxx_osm_pci.c

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