From 3606a380692cf958355a40fc1aa336800c17baf1 Mon Sep 17 00:00:00 2001 From: Mark Lord Date: Sat, 26 Jan 2008 18:28:23 -0500 Subject: 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 Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/ata') diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 7e72463..5dd969e 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; -- cgit v1.1