Re: libata git tree, mbox queue status and contents

[Mark Lord <lkml@rtr.ca>]

Jeff,

This patch (below) is needed by WD drives that powerup-in-standby.

Cheers

Mark

-------- Original Message --------
Subject: + libata-adjust-libata-to-ignore-errors-after.patch added to -mm tree
Date: Wed, 18 Jul 2007 17:03:29 -0700
From: akpm@linux-foundation.org
To: mm-commits@vger.kernel.org
CC: rpower@sysreset.com, htejun@gmail.com, jeff@garzik.org,	liml@rtr.ca


The patch titled
     libata: adjust libata to ignore errors after spinup
has been added to the -mm tree.  Its filename is
     libata-adjust-libata-to-ignore-errors-after.patch

*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this

------------------------------------------------------
Subject: libata: adjust libata to ignore errors after spinup
From: Ryan Power <rpower@sysreset.com>

Adjust libata to ignore errors after spinup

This patch is to ignore errors from the spinup attempt if the drive is
in the "standby id" state.

Signed-off-by: Ryan Power <rpower@sysreset.com>
Acked-by: Mark Lord <liml@rtr.ca>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/ata/libata-core.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -puN /dev/null /dev/null
diff -puN drivers/ata/libata-core.c~libata-adjust-libata-to-ignore-errors-after drivers/ata/libata-core.c
--- a/drivers/ata/libata-core.c~libata-adjust-libata-to-ignore-errors-after
+++ a/drivers/ata/libata-core.c
@@ -1723,7 +1723,7 @@ int ata_dev_read_id(struct ata_device *d
 		tf.protocol = ATA_PROT_NODATA;
 		tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
 		err_mask = ata_exec_internal(dev, &tf, NULL, DMA_NONE, NULL, 0);
-		if (err_mask) {
+		if (err_mask && id[2] != 0x738c) {
 			rc = -EIO;
 			reason = "SPINUP failed";
 			goto err_out;
_

Patches currently in -mm which might be from rpower@sysreset.com are

libata-adjust-libata-to-ignore-errors-after.patch