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path: root/drivers/ata/libata-core.c
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Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 8ed3f6d75ff1..7120da5a03f3 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2077,6 +2077,25 @@ static inline u8 ata_dev_knobble(struct ata_device *dev)
return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
}
+static bool ata_dev_check_adapter(struct ata_device *dev,
+ unsigned short vendor_id)
+{
+ struct pci_dev *pcidev = NULL;
+ struct device *parent_dev = NULL;
+
+ for (parent_dev = dev->tdev.parent; parent_dev != NULL;
+ parent_dev = parent_dev->parent) {
+ if (dev_is_pci(parent_dev)) {
+ pcidev = to_pci_dev(parent_dev);
+ if (pcidev->vendor == vendor_id)
+ return true;
+ break;
+ }
+ }
+
+ return false;
+}
+
static int ata_dev_config_ncq(struct ata_device *dev,
char *desc, size_t desc_sz)
{
@@ -2093,6 +2112,13 @@ static int ata_dev_config_ncq(struct ata_device *dev,
snprintf(desc, desc_sz, "NCQ (not used)");
return 0;
}
+
+ if (dev->horkage & ATA_HORKAGE_NO_NCQ_ON_ATI &&
+ ata_dev_check_adapter(dev, PCI_VENDOR_ID_ATI)) {
+ snprintf(desc, desc_sz, "NCQ (not used)");
+ return 0;
+ }
+
if (ap->flags & ATA_FLAG_NCQ) {
hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE - 1);
dev->flags |= ATA_DFLAG_NCQ;
@@ -4269,6 +4295,12 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
ATA_HORKAGE_ZERO_AFTER_TRIM, },
{ "Samsung SSD 850*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
+ { "Samsung SSD 860*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM |
+ ATA_HORKAGE_NO_NCQ_ON_ATI, },
+ { "Samsung SSD 870*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
+ ATA_HORKAGE_ZERO_AFTER_TRIM |
+ ATA_HORKAGE_NO_NCQ_ON_ATI, },
{ "FCCT*M500*", NULL, ATA_HORKAGE_NO_NCQ_TRIM |
ATA_HORKAGE_ZERO_AFTER_TRIM, },
@@ -6026,7 +6058,7 @@ int ata_host_start(struct ata_host *host)
have_stop = 1;
}
- if (host->ops->host_stop)
+ if (host->ops && host->ops->host_stop)
have_stop = 1;
if (have_stop) {
@@ -6516,6 +6548,8 @@ static int __init ata_parse_force_one(char **cur,
{ "ncq", .horkage_off = ATA_HORKAGE_NONCQ },
{ "noncqtrim", .horkage_on = ATA_HORKAGE_NO_NCQ_TRIM },
{ "ncqtrim", .horkage_off = ATA_HORKAGE_NO_NCQ_TRIM },
+ { "noncqati", .horkage_on = ATA_HORKAGE_NO_NCQ_ON_ATI },
+ { "ncqati", .horkage_off = ATA_HORKAGE_NO_NCQ_ON_ATI },
{ "dump_id", .horkage_on = ATA_HORKAGE_DUMP_ID },
{ "pio0", .xfer_mask = 1 << (ATA_SHIFT_PIO + 0) },
{ "pio1", .xfer_mask = 1 << (ATA_SHIFT_PIO + 1) },