Commit 384f1fcd authored May 25, 2005 by Jens Axboe Committed by Linus Torvalds May 25, 2005

[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>

parent 0e158502

drivers/ide/ide-cd.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}