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From: Mark Lord <liml@rtr.ca>
To: Jeff Garzik <jgarzik@pobox.com>,
	IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: [PATCH 01/13] sata_mv ncq EH fixes
Date: Sat, 26 Jan 2008 18:28:23 -0500	[thread overview]
Message-ID: <479BC217.60709@rtr.ca> (raw)

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>

--- old/drivers/ata/sata_mv.c	2008-01-24 10:40:11.000000000 -0500
+++ new/drivers/ata/sata_mv.c	2008-01-24 11:11:26.000000000 -0500
@@ -1437,6 +1437,7 @@
 		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 @@
 	}
 
 	/* 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;

             reply	other threads:[~2008-01-26 23:28 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-26 23:28 Mark Lord [this message]
2008-01-26 23:30 ` [PATCH 02/13] sata_mv ncq Mask transient IRQs Mark Lord
2008-01-26 23:31 ` [PATCH 03/13] sata_mv ncq Rename base to port mmio Mark Lord
2008-01-26 23:31 ` [PATCH 04/13] sata_mv ncq Fix EDMA configuration Mark Lord
2008-01-26 23:31 ` [PATCH 05/13] sata_mv ncq Add want ncq parameter for " Mark Lord
2008-01-26 23:31 ` [PATCH 06/13] sata_mv ncq Use hqtag instead of ioid Mark Lord
2008-01-26 23:32 ` [PATCH 07/13] sata_mv ncq Ignore response status LSB on NCQ Mark Lord
2008-01-26 23:32 ` [PATCH 08/13] sata_mv ncq Restrict max sectors to 8-bits on GenII NCQ Mark Lord
2008-01-26 23:32 ` [PATCH 09/13] sata_mv ncq Use DMA memory pools for hardware memory tables Mark Lord
2008-01-29 17:10   ` Jeff Garzik
2008-01-29 18:24     ` Mark Lord
2008-01-30  9:54       ` Jeff Garzik
2008-01-30 16:40         ` Mark Lord
2008-01-30 17:08           ` Jeff Garzik
2008-01-30 17:19             ` Mark Lord
2008-01-30 17:45               ` Jeff Garzik
2008-01-30 18:57                 ` Mark Lord
2008-01-31  3:23                   ` Tejun Heo
2008-01-31  3:31                     ` Tejun Heo
2008-01-31  3:59                     ` Mark Lord
2008-01-31  9:00                       ` Mikael Pettersson
2008-01-26 23:32 ` [PATCH 10/13] sata_mv ncq Introduce per-tag SG tables Mark Lord
2008-01-30  9:50   ` Jeff Garzik
2008-01-26 23:33 ` [PATCH 11/13] sata_mv ncq Enable NCQ operation Mark Lord
2008-01-26 23:33 ` [PATCH 12/13] sata_mv ncq Remove post internal cmd op Mark Lord
2008-01-26 23:33 ` [PATCH 13/13] sata_mv ncq Comments and version bump Mark Lord

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