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Commit b0bccb18 authored by Mark Lord's avatar Mark Lord Committed by Jeff Garzik
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sata_mv: fix 8-port timeouts on 508x/6081 chips 



Fix a longstanding bug for the 8-port Marvell Sata controllers (508x/6081),
where accesses to the upper 4 ports would cause lost-interrupts / timeouts
for the lower 4-ports.  With this patch, the 6081 boards should finally be
reliable enough for mainstream use with Linux.

Signed-off-by: default avatarMark Lord <mlord@pobox.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 2d775708

drivers/ata/sata_mv.c

+1 −1
Original line number Diff line number Diff line
@@ -883,7 +883,7 @@ static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio, 
		struct mv_host_priv *hpriv = ap->host->private_data;

		int hardport = mv_hardport_from_port(ap->port_no);

		void __iomem *hc_mmio = mv_hc_base_from_port(

					mv_host_base(ap->host), hardport);

					mv_host_base(ap->host), ap->port_no);

		u32 hc_irq_cause, ipending;



		/* clear EDMA event indicators, if any */