[git patches] libata fixes

From: Jeff Garzik
Date: Tue Dec 16 2008 - 06:06:38 EST



1) More pata_hpt366 [major] fixes

2) Fix NCQ blacklist. A better fix will shorten this list through

smarter blacklist wildcard code, but that better fix is not
appropriate for -rc. This is actually the minimal -rc/stable fix.

Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus

to receive the following updates:

drivers/ata/libata-core.c | 65 ++++++++++++++++++++++++++++++++++++++++----
drivers/ata/pata_hpt366.c | 12 ++++++--
2 files changed, 68 insertions(+), 9 deletions(-)

Tejun Heo (3):
libata: fix Seagate NCQ+FLUSH blacklist
pata_hpt366: fix cable detection,
pata_hpt366: no ATAPI DMA

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5e2eb74..bc6695e 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4050,17 +4050,70 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "ST3160023AS", "3.42", ATA_HORKAGE_NONCQ },

/* Seagate NCQ + FLUSH CACHE firmware bug */
- { "ST31500341AS", "9JU138", ATA_HORKAGE_NONCQ |
+ { "ST31500341AS", "SD15", ATA_HORKAGE_NONCQ |
ATA_HORKAGE_FIRMWARE_WARN },
- { "ST31000333AS", "9FZ136", ATA_HORKAGE_NONCQ |
+ { "ST31500341AS", "SD16", ATA_HORKAGE_NONCQ |
ATA_HORKAGE_FIRMWARE_WARN },
- { "ST3640623AS", "9FZ164", ATA_HORKAGE_NONCQ |
+ { "ST31500341AS", "SD17", ATA_HORKAGE_NONCQ |
ATA_HORKAGE_FIRMWARE_WARN },
- { "ST3640323AS", "9FZ134", ATA_HORKAGE_NONCQ |
+ { "ST31500341AS", "SD18", ATA_HORKAGE_NONCQ |
ATA_HORKAGE_FIRMWARE_WARN },
- { "ST3320813AS", "9FZ182", ATA_HORKAGE_NONCQ |
+ { "ST31500341AS", "SD19", ATA_HORKAGE_NONCQ |
ATA_HORKAGE_FIRMWARE_WARN },
- { "ST3320613AS", "9FZ162", ATA_HORKAGE_NONCQ |
+
+ { "ST31000333AS", "SD15", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST31000333AS", "SD16", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST31000333AS", "SD17", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST31000333AS", "SD18", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST31000333AS", "SD19", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+
+ { "ST3640623AS", "SD15", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640623AS", "SD16", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640623AS", "SD17", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640623AS", "SD18", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640623AS", "SD19", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+
+ { "ST3640323AS", "SD15", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640323AS", "SD16", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640323AS", "SD17", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640323AS", "SD18", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3640323AS", "SD19", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+
+ { "ST3320813AS", "SD15", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320813AS", "SD16", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320813AS", "SD17", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320813AS", "SD18", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320813AS", "SD19", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+
+ { "ST3320613AS", "SD15", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320613AS", "SD16", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320613AS", "SD17", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320613AS", "SD18", ATA_HORKAGE_NONCQ |
+ ATA_HORKAGE_FIRMWARE_WARN },
+ { "ST3320613AS", "SD19", ATA_HORKAGE_NONCQ |
ATA_HORKAGE_FIRMWARE_WARN },

/* Blacklist entries taken from Silicon Image 3124/3132
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index a098ba8..e0c4f05 100644
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -183,7 +183,9 @@ static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask)
mask &= ~(0xF8 << ATA_SHIFT_UDMA);
if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4))
mask &= ~(0xF0 << ATA_SHIFT_UDMA);
- }
+ } else if (adev->class == ATA_DEV_ATAPI)
+ mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
+
return ata_bmdma_mode_filter(adev, mask);
}

@@ -211,11 +213,15 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed)

static int hpt36x_cable_detect(struct ata_port *ap)
{
- u8 ata66;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+ u8 ata66;

+ /*
+ * Each channel of pata_hpt366 occupies separate PCI function
+ * as the primary channel and bit1 indicates the cable type.
+ */
pci_read_config_byte(pdev, 0x5A, &ata66);
- if (ata66 & (1 << ap->port_no))
+ if (ata66 & 2)
return ATA_CBL_PATA40;
return ATA_CBL_PATA80;
}
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