Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: kill spurious NCQ completion detection ahci: don't attach if ICH6 is in combined mode ata_piix: add Toshiba Tecra M4 to broken suspend list ahci: fix engine reset failed message
This commit is contained in:
Linus Torvalds
commit
94545baded
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@ -193,6 +193,8 @@ enum {
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ATA_FLAG_ACPI_SATA | ATA_FLAG_AN |
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ATA_FLAG_IPM,
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AHCI_LFLAG_COMMON = ATA_LFLAG_SKIP_D2H_BSY,
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ICH_MAP = 0x90, /* ICH MAP register */
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};
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struct ahci_cmd_hdr {
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@ -1271,9 +1273,9 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
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/* prepare for SRST (AHCI-1.1 10.4.1) */
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rc = ahci_kick_engine(ap, 1);
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if (rc)
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if (rc && rc != -EOPNOTSUPP)
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ata_link_printk(link, KERN_WARNING,
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"failed to reset engine (errno=%d)", rc);
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"failed to reset engine (errno=%d)\n", rc);
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ata_tf_init(link->device, &tf);
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@ -1638,7 +1640,7 @@ static void ahci_port_intr(struct ata_port *ap)
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struct ahci_host_priv *hpriv = ap->host->private_data;
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int resetting = !!(ap->pflags & ATA_PFLAG_RESETTING);
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u32 status, qc_active;
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int rc, known_irq = 0;
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int rc;
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status = readl(port_mmio + PORT_IRQ_STAT);
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writel(status, port_mmio + PORT_IRQ_STAT);
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@ -1696,80 +1698,12 @@ static void ahci_port_intr(struct ata_port *ap)
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rc = ata_qc_complete_multiple(ap, qc_active, NULL);
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/* If resetting, spurious or invalid completions are expected,
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* return unconditionally.
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*/
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if (resetting)
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return;
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if (rc > 0)
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return;
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if (rc < 0) {
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/* while resetting, invalid completions are expected */
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if (unlikely(rc < 0 && !resetting)) {
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ehi->err_mask |= AC_ERR_HSM;
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ehi->action |= ATA_EH_SOFTRESET;
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ata_port_freeze(ap);
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return;
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}
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/* hmmm... a spurious interrupt */
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/* if !NCQ, ignore. No modern ATA device has broken HSM
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* implementation for non-NCQ commands.
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*/
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if (!ap->link.sactive)
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return;
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if (status & PORT_IRQ_D2H_REG_FIS) {
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if (!pp->ncq_saw_d2h)
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ata_port_printk(ap, KERN_INFO,
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"D2H reg with I during NCQ, "
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"this message won't be printed again\n");
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pp->ncq_saw_d2h = 1;
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known_irq = 1;
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}
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if (status & PORT_IRQ_DMAS_FIS) {
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if (!pp->ncq_saw_dmas)
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ata_port_printk(ap, KERN_INFO,
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"DMAS FIS during NCQ, "
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"this message won't be printed again\n");
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pp->ncq_saw_dmas = 1;
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known_irq = 1;
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}
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if (status & PORT_IRQ_SDB_FIS) {
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const __le32 *f = pp->rx_fis + RX_FIS_SDB;
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if (le32_to_cpu(f[1])) {
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/* SDB FIS containing spurious completions
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* might be dangerous, whine and fail commands
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* with HSM violation. EH will turn off NCQ
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* after several such failures.
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*/
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ata_ehi_push_desc(ehi,
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"spurious completions during NCQ "
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"issue=0x%x SAct=0x%x FIS=%08x:%08x",
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readl(port_mmio + PORT_CMD_ISSUE),
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readl(port_mmio + PORT_SCR_ACT),
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le32_to_cpu(f[0]), le32_to_cpu(f[1]));
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ehi->err_mask |= AC_ERR_HSM;
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ehi->action |= ATA_EH_SOFTRESET;
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ata_port_freeze(ap);
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} else {
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if (!pp->ncq_saw_sdb)
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ata_port_printk(ap, KERN_INFO,
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"spurious SDB FIS %08x:%08x during NCQ, "
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"this message won't be printed again\n",
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le32_to_cpu(f[0]), le32_to_cpu(f[1]));
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pp->ncq_saw_sdb = 1;
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}
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known_irq = 1;
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}
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if (!known_irq)
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ata_port_printk(ap, KERN_INFO, "spurious interrupt "
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"(irq_stat 0x%x active_tag 0x%x sactive 0x%x)\n",
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status, ap->link.active_tag, ap->link.sactive);
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}
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static void ahci_irq_clear(struct ata_port *ap)
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@ -2273,6 +2207,22 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
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if (rc)
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return rc;
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if (pdev->vendor == PCI_VENDOR_ID_INTEL &&
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(pdev->device == 0x2652 || pdev->device == 0x2653)) {
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u8 map;
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/* ICH6s share the same PCI ID for both piix and ahci
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* modes. Enabling ahci mode while MAP indicates
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* combined mode is a bad idea. Yield to ata_piix.
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*/
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pci_read_config_byte(pdev, ICH_MAP, &map);
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if (map & 0x3) {
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dev_printk(KERN_INFO, &pdev->dev, "controller is in "
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"combined mode, can't enable AHCI mode\n");
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return -ENODEV;
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}
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}
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hpriv = devm_kzalloc(dev, sizeof(*hpriv), GFP_KERNEL);
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if (!hpriv)
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return -ENOMEM;
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@ -973,6 +973,13 @@ static int piix_broken_suspend(void)
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DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M3"),
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},
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},
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{
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.ident = "TECRA M4",
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.matches = {
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DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Tecra M4"),
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},
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},
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{
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.ident = "TECRA M5",
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.matches = {
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@ -4140,6 +4140,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
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/* Devices where NCQ should be avoided */
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/* NCQ is slow */
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{ "WDC WD740ADFD-00", NULL, ATA_HORKAGE_NONCQ },
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{ "WDC WD740ADFD-00NLR1", NULL, ATA_HORKAGE_NONCQ, },
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/* http://thread.gmane.org/gmane.linux.ide/14907 */
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{ "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ },
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/* NCQ is broken */
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@ -4154,23 +4155,6 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
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{ "HTS541060G9SA00", "MB3OC60D", ATA_HORKAGE_NONCQ, },
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{ "HTS541080G9SA00", "MB4OC60D", ATA_HORKAGE_NONCQ, },
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{ "HTS541010G9SA00", "MBZOC60D", ATA_HORKAGE_NONCQ, },
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/* Drives which do spurious command completion */
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{ "HTS541680J9SA00", "SB2IC7EP", ATA_HORKAGE_NONCQ, },
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{ "HTS541612J9SA00", "SBDIC7JP", ATA_HORKAGE_NONCQ, },
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{ "HDT722516DLA380", "V43OA96A", ATA_HORKAGE_NONCQ, },
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{ "Hitachi HTS541616J9SA00", "SB4OC70P", ATA_HORKAGE_NONCQ, },
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{ "Hitachi HTS542525K9SA00", "BBFOC31P", ATA_HORKAGE_NONCQ, },
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{ "WDC WD740ADFD-00NLR1", NULL, ATA_HORKAGE_NONCQ, },
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{ "WDC WD3200AAJS-00RYA0", "12.01B01", ATA_HORKAGE_NONCQ, },
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{ "FUJITSU MHV2080BH", "00840028", ATA_HORKAGE_NONCQ, },
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{ "ST9120822AS", "3.CLF", ATA_HORKAGE_NONCQ, },
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{ "ST9160821AS", "3.CLF", ATA_HORKAGE_NONCQ, },
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{ "ST9160821AS", "3.ALD", ATA_HORKAGE_NONCQ, },
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{ "ST9160821AS", "3.CCD", ATA_HORKAGE_NONCQ, },
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{ "ST3160812AS", "3.ADJ", ATA_HORKAGE_NONCQ, },
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{ "ST980813AS", "3.ADB", ATA_HORKAGE_NONCQ, },
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{ "SAMSUNG HD401LJ", "ZZ100-15", ATA_HORKAGE_NONCQ, },
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{ "Maxtor 7V300F0", "VA111900", ATA_HORKAGE_NONCQ, },
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/* devices which puke on READ_NATIVE_MAX */
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{ "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, },
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