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authorMark Lord <liml@rtr.ca>2008-01-26 18:28:23 -0500
committerJeff Garzik <jeff@garzik.org>2008-02-01 11:29:46 -0500
commit3606a380692cf958355a40fc1aa336800c17baf1 (patch)
tree263971d3bbb033658fdfa76f6c02ae540a21f554 /drivers/ata
parent24e1c13c93cbdd05e4b7ea921c0050b036555adc (diff)
sata_mv ncq EH fixes
A hard reset is necessary after hotplug events. Only clear the error irq bits that were set on entry. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/sata_mv.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 7e72463a90eb..5dd969e10302 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -1437,6 +1437,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
ata_ehi_hotplugged(ehi);
ata_ehi_push_desc(ehi, edma_err_cause & EDMA_ERR_DEV_DCON ?
"dev disconnect" : "dev connect");
+ action |= ATA_EH_HARDRESET;
}
if (IS_GEN_I(hpriv)) {
@@ -1465,7 +1466,7 @@ static void mv_err_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
}
/* Clear EDMA now that SERR cleanup done */
- writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
+ writelfl(~edma_err_cause, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS);
if (!err_mask) {
err_mask = AC_ERR_OTHER;