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.
This patch is for 2.6.29, but should also get reviewed/released
for the -stable branches of 2.6.28, 2.6.27, and 2.6.26.
Signed-off-by: Mark Lord <mlord@xxxxxxxxx>
---
Reposting, as I got no response/acknowledgement on the first attempt.
--- old/drivers/ata/sata_mv.c 2009-01-16 11:11:16.000000000 -0500
+++ linux/drivers/ata/sata_mv.c 2009-01-16 11:52:17.000000000 -0500
@@ -883,7 +883,7 @@
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 */
--
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