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: handle broken cable reporting pata_hpt37x: Fix outstanding bug reports on the HPT374 and 37x cable detect ata_piix: Add additional PCI identifier for 40 wire short cable pata_serverworks: Fix problem with some drive combinations libata: Don't disable dipm with SET FEATURES libata and bogus LBA48 drives
This commit is contained in:
Linus Torvalds
commit
f8a9efb528
5 changed files with 83 additions and 28 deletions
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@ -676,10 +676,11 @@ static int ata_dev_set_dipm(struct ata_device *dev, enum link_pm policy)
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if (rc)
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return rc;
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/* disable DIPM */
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if (ata_dev_enabled(dev) && (dev->flags & ATA_DFLAG_DIPM))
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err_mask = ata_dev_set_feature(dev,
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SETFEATURES_SATA_DISABLE, SATA_DIPM);
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/*
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* we don't have to disable DIPM since IPM flags
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* disallow transitions to SLUMBER, which effectively
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* disable DIPM if it does not support PARTIAL
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*/
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break;
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case NOT_AVAILABLE:
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case MAX_PERFORMANCE:
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@ -689,10 +690,11 @@ static int ata_dev_set_dipm(struct ata_device *dev, enum link_pm policy)
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if (rc)
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return rc;
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/* disable DIPM */
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if (ata_dev_enabled(dev) && (dev->flags & ATA_DFLAG_DIPM))
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err_mask = ata_dev_set_feature(dev,
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SETFEATURES_SATA_DISABLE, SATA_DIPM);
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/*
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* we don't have to disable DIPM since IPM flags
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* disallow all transitions which effectively
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* disable DIPM anyway.
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*/
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break;
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}
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@ -4239,6 +4241,10 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
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{ "ST340823A", NULL, ATA_HORKAGE_HPA_SIZE, },
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{ "ST320413A", NULL, ATA_HORKAGE_HPA_SIZE, },
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/* Devices which get the IVB wrong */
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{ "QUANTUM FIREBALLlct10 05", "A03.0900", ATA_HORKAGE_IVB, },
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{ "TSSTcorp CDDVDW SH-S202J", "SB00", ATA_HORKAGE_IVB, },
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/* End Marker */
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{ }
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};
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@ -4299,6 +4305,21 @@ static int ata_dma_blacklisted(const struct ata_device *dev)
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return (dev->horkage & ATA_HORKAGE_NODMA) ? 1 : 0;
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}
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/**
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* ata_is_40wire - check drive side detection
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* @dev: device
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*
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* Perform drive side detection decoding, allowing for device vendors
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* who can't follow the documentation.
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*/
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static int ata_is_40wire(struct ata_device *dev)
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{
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if (dev->horkage & ATA_HORKAGE_IVB)
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return ata_drive_40wire_relaxed(dev->id);
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return ata_drive_40wire(dev->id);
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}
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/**
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* ata_dev_xfermask - Compute supported xfermask of the given device
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* @dev: Device to compute xfermask for
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@ -4368,7 +4389,7 @@ static void ata_dev_xfermask(struct ata_device *dev)
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if (xfer_mask & (0xF8 << ATA_SHIFT_UDMA))
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/* UDMA/44 or higher would be available */
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if ((ap->cbl == ATA_CBL_PATA40) ||
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(ata_drive_40wire(dev->id) &&
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(ata_is_40wire(dev) &&
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(ap->cbl == ATA_CBL_PATA_UNK ||
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ap->cbl == ATA_CBL_PATA80))) {
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ata_dev_printk(dev, KERN_WARNING,
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@ -295,7 +295,7 @@ static unsigned long hpt370_filter(struct ata_device *adev, unsigned long mask)
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static unsigned long hpt370a_filter(struct ata_device *adev, unsigned long mask)
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{
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if (adev->class != ATA_DEV_ATA) {
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if (adev->class == ATA_DEV_ATA) {
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if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5))
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mask &= ~ (0x1F << ATA_SHIFT_UDMA);
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}
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@ -359,28 +359,25 @@ static int hpt374_pre_reset(struct ata_link *link, unsigned long deadline)
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{ 0x50, 1, 0x04, 0x04 },
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{ 0x54, 1, 0x04, 0x04 }
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};
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u16 mcr3, mcr6;
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u16 mcr3;
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u8 ata66;
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struct ata_port *ap = link->ap;
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struct pci_dev *pdev = to_pci_dev(ap->host->dev);
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unsigned int mcrbase = 0x50 + 4 * ap->port_no;
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if (!pci_test_config_bits(pdev, &hpt37x_enable_bits[ap->port_no]))
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return -ENOENT;
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/* Do the extra channel work */
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pci_read_config_word(pdev, 0x52, &mcr3);
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pci_read_config_word(pdev, 0x56, &mcr6);
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pci_read_config_word(pdev, mcrbase + 2, &mcr3);
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/* Set bit 15 of 0x52 to enable TCBLID as input
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Set bit 15 of 0x56 to enable FCBLID as input
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*/
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pci_write_config_word(pdev, 0x52, mcr3 | 0x8000);
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pci_write_config_word(pdev, 0x56, mcr6 | 0x8000);
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pci_write_config_word(pdev, mcrbase + 2, mcr3 | 0x8000);
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pci_read_config_byte(pdev, 0x5A, &ata66);
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/* Reset TCBLID/FCBLID to output */
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pci_write_config_word(pdev, 0x52, mcr3);
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pci_write_config_word(pdev, 0x56, mcr6);
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if (ata66 & (1 << ap->port_no))
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if (ata66 & (2 >> ap->port_no))
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ap->cbl = ATA_CBL_PATA40;
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else
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ap->cbl = ATA_CBL_PATA80;
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@ -844,6 +841,25 @@ static int hpt37x_calibrate_dpll(struct pci_dev *dev)
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/* Never went stable */
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return 0;
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}
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static u32 hpt374_read_freq(struct pci_dev *pdev)
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{
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u32 freq;
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unsigned long io_base = pci_resource_start(pdev, 4);
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if (PCI_FUNC(pdev->devfn) & 1) {
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struct pci_dev *pdev_0 = pci_get_slot(pdev->bus, pdev->devfn - 1);
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/* Someone hot plugged the controller on us ? */
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if (pdev_0 == NULL)
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return 0;
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io_base = pci_resource_start(pdev_0, 4);
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freq = inl(io_base + 0x90);
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pci_dev_put(pdev_0);
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}
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else
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freq = inl(io_base + 0x90);
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return freq;
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}
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/**
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* hpt37x_init_one - Initialise an HPT37X/302
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* @dev: PCI device
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@ -902,7 +918,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
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.flags = ATA_FLAG_SLAVE_POSS,
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.pio_mask = 0x1f,
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.mwdma_mask = 0x07,
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.udma_mask = 0x0f,
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.udma_mask = ATA_UDMA5,
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.port_ops = &hpt370_port_ops
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};
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/* HPT370A - UDMA100 */
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@ -911,7 +927,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
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.flags = ATA_FLAG_SLAVE_POSS,
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.pio_mask = 0x1f,
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.mwdma_mask = 0x07,
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.udma_mask = 0x0f,
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.udma_mask = ATA_UDMA5,
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.port_ops = &hpt370a_port_ops
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};
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/* HPT371, 372 and friends - UDMA133 */
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@ -1047,9 +1063,16 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
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outb(0x0e, iobase + 0x9c);
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/* Some devices do not let this value be accessed via PCI space
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according to the old driver */
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according to the old driver. In addition we must use the value
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from FN 0 on the HPT374 */
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if (chip_table == &hpt374) {
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freq = hpt374_read_freq(dev);
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if (freq == 0)
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return -ENODEV;
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} else
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freq = inl(iobase + 0x90);
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if ((freq >> 12) != 0xABCDE) {
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int i;
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u8 sr;
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@ -274,28 +274,27 @@ static void serverworks_set_dmamode(struct ata_port *ap, struct ata_device *adev
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{
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static const u8 dma_mode[] = { 0x77, 0x21, 0x20 };
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int offset = 1 + 2 * ap->port_no - adev->devno;
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int devbits = (2 * ap->port_no + adev->devno);
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int devbits = 2 * ap->port_no + adev->devno;
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u8 ultra;
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u8 ultra_cfg;
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struct pci_dev *pdev = to_pci_dev(ap->host->dev);
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pci_read_config_byte(pdev, 0x54, &ultra_cfg);
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pci_read_config_byte(pdev, 0x56 + ap->port_no, &ultra);
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ultra &= ~(0x0F << (adev->devno * 4));
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if (adev->dma_mode >= XFER_UDMA_0) {
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pci_write_config_byte(pdev, 0x44 + offset, 0x20);
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pci_read_config_byte(pdev, 0x56 + ap->port_no, &ultra);
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ultra &= ~(0x0F << (ap->port_no * 4));
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ultra |= (adev->dma_mode - XFER_UDMA_0)
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<< (ap->port_no * 4);
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pci_write_config_byte(pdev, 0x56 + ap->port_no, ultra);
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<< (adev->devno * 4);
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ultra_cfg |= (1 << devbits);
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} else {
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pci_write_config_byte(pdev, 0x44 + offset,
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dma_mode[adev->dma_mode - XFER_MW_DMA_0]);
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ultra_cfg &= ~(1 << devbits);
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}
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pci_write_config_byte(pdev, 0x56 + ap->port_no, ultra);
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pci_write_config_byte(pdev, 0x54, ultra_cfg);
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}
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@ -425,6 +425,8 @@ static inline int ata_id_has_lba48(const u16 *id)
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{
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if ((id[83] & 0xC000) != 0x4000)
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return 0;
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if (!ata_id_u64(id, 100))
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return 0;
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return id[83] & (1 << 10);
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}
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@ -535,6 +537,15 @@ static inline int ata_drive_40wire(const u16 *dev_id)
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return 1;
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}
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static inline int ata_drive_40wire_relaxed(const u16 *dev_id)
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{
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if (ata_id_is_sata(dev_id))
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return 0; /* SATA */
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if ((dev_id[93] & 0x2000) == 0x2000)
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return 0; /* 80 wire */
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return 1;
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}
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static inline int atapi_cdb_len(const u16 *dev_id)
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{
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u16 tmp = dev_id[0] & 0x3;
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@ -339,6 +339,7 @@ enum {
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ATA_HORKAGE_SKIP_PM = (1 << 5), /* Skip PM operations */
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ATA_HORKAGE_HPA_SIZE = (1 << 6), /* native size off by one */
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ATA_HORKAGE_IPM = (1 << 7), /* Link PM problems */
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ATA_HORKAGE_IVB = (1 << 8), /* cbl det validity bit bugs */
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/* DMA mask for user DMA control: User visible values; DO NOT
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renumber */
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