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[PATCH] relax ide-cd dma restrictions

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This has been sitting for a while, and is causing lots of grief for
people burning CDs.  It relaxes the dma restriction for ide-cd,
requiring only the length to be 32-byte aligned, address should be fine
at normal double word alignment.

Signed-off-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jens Axboe 2005-05-25 17:00:15 +02:00 committed by Linus Torvalds
parent 0e15850200
commit 384f1fcd2d
1 changed files with 1 additions and 1 deletions
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2
drivers/ide/ide-cd.c
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@ -1933,7 +1933,7 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
/*
* check if dma is safe
*/
if ((rq->data_len & mask) || (addr & mask))
if ((rq->data_len & 3) || (addr & mask))
info->dma = 0;
}