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libata: Limit ATAPI DMA to R/W commands only for TORiSAN DVD drives (take 3)

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patch 4/4:

  Limit ATAPI DMA to R/W commands only for TORiSAN DRD-N216 DVD-ROM drives
  (http://bugzilla.kernel.org/show_bug.cgi?id=6710)

Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Albert Lee
2007-04-02 11:39:25 +08:00
committed by Jeff Garzik
parent 18d6e9d518
commit 6f23a31d1c
2 changed files with 27 additions and 1 deletions
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include/linux/libata.h
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@ -312,6 +312,7 @@ enum {
ATA_HORKAGE_NODMA = (1 << 1), /* DMA problems */
ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */
ATA_HORKAGE_MAX_SEC_128 = (1 << 3), /* Limit max sects to 128 */
ATA_HORKAGE_DMA_RW_ONLY = (1 << 4), /* ATAPI DMA for RW only */
};
enum hsm_task_states {