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authorJens Axboe <axboe@suse.de>2005-05-25 17:00:15 +0200
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-25 10:17:08 -0700
commit384f1fcd2db8bc5a15f20f10793d8e1c82acd6c5 (patch)
tree146040edb5fb3b7ce29ba468f6392b7eadf28fdc
parent0e15850200437c60b969025500e466383ec51ed8 (diff)
[PATCH] relax ide-cd dma restrictions
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>
-rw-r--r--drivers/ide/ide-cd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 33a020faeab..4f7ce705622 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -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;
}