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ide: add IDE_HFLAG_NO_DSC host flag

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* Add IDE_HFLAG_NO_DSC host flag for hosts that doesn't support DSC overlap.

* Set it in aec62xx (for ATP850UF only) and hpt34x host drivers.

* Convert ide-tape device driver to check for IDE_HFLAG_NO_DSC flag.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-02-01 23:09:30 +01:00
commit 4166c1993b
4 changed files with 8 additions and 12 deletions
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2
include/linux/ide.h
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@ -1095,6 +1095,8 @@ enum {
IDE_HFLAG_CY82C693 = (1 << 27),
/* force host out of "simplex" mode */
IDE_HFLAG_CLEAR_SIMPLEX = (1 << 28),
/* DSC overlap is unsupported */
IDE_HFLAG_NO_DSC = (1 << 29),
};
#ifdef CONFIG_BLK_DEV_OFFBOARD