Commit 61dd08c6 authored by Alan Cox's avatar Alan Cox Committed by Jeff Garzik
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libata-sff: Don't call bmdma_stop on non DMA capable controllers 



Fixes bogus accesses to ports 0-15 with a non DMA capable controller.
This I think should go in for 2.6.20

Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent b2a8bbe6

drivers/ata/libata-sff.c

+2 −1
Original line number Diff line number Diff line
@@ -827,6 +827,7 @@ void ata_bmdma_error_handler(struct ata_port *ap) 
 */

void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc)

{

	if (qc->ap->ioaddr.bmdma_addr)

		ata_bmdma_stop(qc);

}