From: Mark Lord <liml@rtr.ca>
To: Jeff Garzik <jgarzik@pobox.com>,
IDE/ATA development list <linux-ide@vger.kernel.org>
Subject: [PATCH 07/13] sata_mv ncq Ignore response status LSB on NCQ
Date: Sat, 26 Jan 2008 18:32:09 -0500 [thread overview]
Message-ID: <479BC2F9.1070006@rtr.ca> (raw)
In-Reply-To: <479BC217.60709@rtr.ca>
The lower 8 bits of response status are not valid for NCQ.
Signed-off-by: Mark Lord <mlord@pobox.com>
--- old/drivers/ata/sata_mv.c 2008-01-24 12:35:14.000000000 -0500
+++ new/drivers/ata/sata_mv.c 2008-01-24 12:35:43.000000000 -0500
@@ -1587,13 +1587,12 @@
qc = ata_qc_from_tag(ap, tag);
- /* lower 8 bits of status are EDMA_ERR_IRQ_CAUSE_OFS
- * bits (WARNING: might not necessarily be associated
- * with this command), which -should- be clear
- * if all is well
+ /* For non-NCQ mode, the lower 8 bits of status
+ * are from EDMA_ERR_IRQ_CAUSE_OFS,
+ * which should be zero if all went well.
*/
status = le16_to_cpu(pp->crpb[out_index].flags);
- if (unlikely(status & 0xff)) {
+ if ((status & 0xff) && !(pp->pp_flags & MV_PP_FLAG_NCQ_EN)) {
mv_err_intr(ap, qc);
return;
}
next prev parent reply other threads:[~2008-01-26 23:32 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-26 23:28 [PATCH 01/13] sata_mv ncq EH fixes Mark Lord
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 ` Mark Lord [this message]
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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