patch 3/4:
The TORiSAN drive locks up when max sector == 256.
Limit max sector to 240 for TORiSAN DRD-N216 drives.
(http://bugzilla.kernel.org/show_bug.cgi?id=6710)
Signed-off-by: Albert Lee <[EMAIL PROTECTED]>
---
Patch against libata-dev tree, for your review, thanks.
diff -Nrup 02_aopen_rs/drivers/ata/libata-core.c
03_max_sect/drivers/ata/libata-core.c
--- 02_aopen_rs/drivers/ata/libata-core.c 2007-03-23 16:56:13.000000000
+0800
+++ 03_max_sect/drivers/ata/libata-core.c 2007-03-31 14:11:33.000000000
+0800
@@ -1784,6 +1784,9 @@ int ata_dev_configure(struct ata_device
dev->max_sectors = ATA_MAX_SECTORS;
}
+ if (ata_device_blacklisted(dev) & ATA_HORKAGE_MAX_SEC_240)
+ dev->max_sectors = min(ATA_MAX_SECTORS_240, dev->max_sectors);
+
if (ap->ops->dev_config)
ap->ops->dev_config(ap, dev);
@@ -3352,6 +3355,9 @@ static const struct ata_blacklist_entry
{ "_NEC DV5800A", NULL, ATA_HORKAGE_NODMA },
{ "SAMSUNG CD-ROM SN-124","N001", ATA_HORKAGE_NODMA },
+ /* Weird ATAPI devices */
+ { "TORiSAN DVD-ROM DRD-N216", NULL, ATA_HORKAGE_MAX_SEC_240 },
+
/* Devices we expect to fail diagnostics */
/* Devices where NCQ should be avoided */
diff -Nrup 02_aopen_rs/include/linux/ata.h 03_max_sect/include/linux/ata.h
--- 02_aopen_rs/include/linux/ata.h 2007-03-23 16:56:24.000000000 +0800
+++ 03_max_sect/include/linux/ata.h 2007-03-31 10:06:53.000000000 +0800
@@ -40,6 +40,7 @@ enum {
ATA_MAX_DEVICES = 2, /* per bus/port */
ATA_MAX_PRD = 256, /* we could make these 256/256 */
ATA_SECT_SIZE = 512,
+ ATA_MAX_SECTORS_240 = 240,
ATA_MAX_SECTORS = 256,
ATA_MAX_SECTORS_LBA48 = 65535,/* TODO: 65536? */
diff -Nrup 02_aopen_rs/include/linux/libata.h 03_max_sect/include/linux/libata.h
--- 02_aopen_rs/include/linux/libata.h 2007-03-26 12:33:28.000000000 +0800
+++ 03_max_sect/include/linux/libata.h 2007-03-31 14:07:49.000000000 +0800
@@ -311,6 +311,7 @@ enum {
ATA_HORKAGE_DIAGNOSTIC = (1 << 0), /* Failed boot diag */
ATA_HORKAGE_NODMA = (1 << 1), /* DMA problems */
ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */
+ ATA_HORKAGE_MAX_SEC_240 = (1 << 3), /* Limit max sects below 256 */
};
enum hsm_task_states {
-
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