The patch titled
via-pata-fails-on-some-atapi-drives update
has been added to the -mm tree. Its filename is
via-pata-controller-xfer-fixes-update.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: via-pata-fails-on-some-atapi-drives update
From: matthieu castet <castet.matthieu@xxxxxxx>
This patch correct an infinite busy loop after the first ten tries of the
previous patch. Bug spotted by Andrew Morton.
Signed-off-by: Matthieu CASTET <castet.matthieu@xxxxxxx>
Cc: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@xxxxxxxxxxxxxx>
Cc: Jeff Garzik <jeff@xxxxxxxxxx>
Cc: Tejun Heo <htejun@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/scsi/pata_via.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff -puN drivers/scsi/pata_via.c~via-pata-controller-xfer-fixes-update drivers/scsi/pata_via.c
--- a/drivers/scsi/pata_via.c~via-pata-controller-xfer-fixes-update
+++ a/drivers/scsi/pata_via.c
@@ -335,12 +335,15 @@ static irqreturn_t pata_via_interrupt(in
*/
int i;
- for (i = 0; ata_altstatus(ap) & ATA_BUSY; i++) {
- if (i > 10)
- continue;
+ for (i = 0; i < 10; i++) {
+ if (!(ata_altstatus(ap) & ATA_BUSY))
+ break;
udelay(1);
}
+ if (ata_altstatus(ap) & ATA_BUSY)
+ continue; /* It's stuck */
+
if (i)
ata_port_printk(ap, KERN_WARNING,
"ata_altstatus take %dus\n", i);
_
Patches currently in -mm which might be from castet.matthieu@xxxxxxx are
origin.patch
pnpacpi-reject-acpi_producer-resources.patch
via-pata-controller-xfer-fixes.patch
via-pata-controller-xfer-fixes-tidy.patch
via-pata-controller-xfer-fixes-update.patch
-
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