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CVS commit: src/sys/dev/pci

Module Name:    src
Committed By:   nakayama
Date:           Wed Nov  3 11:46:31 UTC 2010

Modified Files:
        src/sys/dev/pci: aceride.c

Log Message:
Add a workaround for 48-bit LBA DMA access bug on M5229 rev. <= 0xc4.
- use DMA in 28-bit LBA addressing.
- use PIO in 48-bit LBA addressing.

Idea and message are from FreeBSD, and tested on M5229 rev. 0xc3 in
my Sun Netra X1 with 160GB drive.

To generate a diff of this commit:
cvs rdiff -u -r1.27 -r1.28 src/sys/dev/pci/aceride.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

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