diff options
| -rw-r--r-- | drivers/ata/ahci.c | 89 |
1 files changed, 39 insertions, 50 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 518c51830357..57cc3e73a7e2 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -77,11 +77,10 @@ enum { RX_FIS_UNK = 0x60, /* offset of Unknown FIS data */ board_ahci = 0, - board_ahci_pi = 1, - board_ahci_vt8251 = 2, - board_ahci_ign_iferr = 3, - board_ahci_sb600 = 4, - board_ahci_mv = 5, + board_ahci_vt8251 = 1, + board_ahci_ign_iferr = 2, + board_ahci_sb600 = 3, + board_ahci_mv = 4, /* global controller registers */ HOST_CAP = 0x00, /* host capabilities */ @@ -170,7 +169,6 @@ enum { /* ap->flags bits */ AHCI_FLAG_NO_NCQ = (1 << 24), AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */ - AHCI_FLAG_HONOR_PI = (1 << 26), /* honor PORTS_IMPL */ AHCI_FLAG_IGN_SERR_INTERNAL = (1 << 27), /* ignore SERR_INTERNAL */ AHCI_FLAG_32BIT_ONLY = (1 << 28), /* force 32bit */ AHCI_FLAG_MV_PATA = (1 << 29), /* PATA port */ @@ -332,14 +330,6 @@ static const struct ata_port_info ahci_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &ahci_ops, }, - /* board_ahci_pi */ - { - .flags = AHCI_FLAG_COMMON | AHCI_FLAG_HONOR_PI, - .link_flags = AHCI_LFLAG_COMMON, - .pio_mask = 0x1f, /* pio0-4 */ - .udma_mask = ATA_UDMA6, - .port_ops = &ahci_ops, - }, /* board_ahci_vt8251 */ { .flags = AHCI_FLAG_COMMON | AHCI_FLAG_NO_NCQ, @@ -371,8 +361,8 @@ static const struct ata_port_info ahci_port_info[] = { .sht = &ahci_sht, .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | - AHCI_FLAG_HONOR_PI | AHCI_FLAG_NO_NCQ | - AHCI_FLAG_NO_MSI | AHCI_FLAG_MV_PATA, + AHCI_FLAG_NO_NCQ | AHCI_FLAG_NO_MSI | + AHCI_FLAG_MV_PATA, .link_flags = AHCI_LFLAG_COMMON, .pio_mask = 0x1f, /* pio0-4 */ .udma_mask = ATA_UDMA6, @@ -392,23 +382,23 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x2682), board_ahci }, /* ESB2 */ { PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */ { PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */ - { PCI_VDEVICE(INTEL, 0x2821), board_ahci_pi }, /* ICH8 */ - { PCI_VDEVICE(INTEL, 0x2822), board_ahci_pi }, /* ICH8 */ - { PCI_VDEVICE(INTEL, 0x2824), board_ahci_pi }, /* ICH8 */ - { PCI_VDEVICE(INTEL, 0x2829), board_ahci_pi }, /* ICH8M */ - { PCI_VDEVICE(INTEL, 0x282a), board_ahci_pi }, /* ICH8M */ - { PCI_VDEVICE(INTEL, 0x2922), board_ahci_pi }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2923), board_ahci_pi }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2924), board_ahci_pi }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2925), board_ahci_pi }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2927), board_ahci_pi }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x2929), board_ahci_pi }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x292a), board_ahci_pi }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x292b), board_ahci_pi }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x292c), board_ahci_pi }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x292f), board_ahci_pi }, /* ICH9M */ - { PCI_VDEVICE(INTEL, 0x294d), board_ahci_pi }, /* ICH9 */ - { PCI_VDEVICE(INTEL, 0x294e), board_ahci_pi }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */ + { PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */ + { PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */ + { PCI_VDEVICE(INTEL, 0x2922), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2923), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2924), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2925), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2927), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x2929), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292a), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292b), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292c), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x292f), board_ahci }, /* ICH9M */ + { PCI_VDEVICE(INTEL, 0x294d), board_ahci }, /* ICH9 */ + { PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, @@ -562,16 +552,6 @@ static void ahci_save_initial_config(struct pci_dev *pdev, cap &= ~HOST_CAP_NCQ; } - /* fixup zero port_map */ - if (!port_map) { - port_map = (1 << ahci_nr_ports(cap)) - 1; - dev_printk(KERN_WARNING, &pdev->dev, - "PORTS_IMPL is zero, forcing 0x%x\n", port_map); - - /* write the fixed up value to the PI register */ - hpriv->saved_port_map = port_map; - } - /* * Temporary Marvell 6145 hack: PATA port presence * is asserted through the standard AHCI port @@ -587,7 +567,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev, } /* cross check port_map and cap.n_ports */ - if (pi->flags & AHCI_FLAG_HONOR_PI) { + if (port_map) { u32 tmp_port_map = port_map; int n_ports = ahci_nr_ports(cap); @@ -598,17 +578,26 @@ static void ahci_save_initial_config(struct pci_dev *pdev, } } - /* Whine if inconsistent. No need to update cap. - * port_map is used to determine number of ports. + /* If n_ports and port_map are inconsistent, whine and + * clear port_map and let it be generated from n_ports. */ - if (n_ports || tmp_port_map) + if (n_ports || tmp_port_map) { dev_printk(KERN_WARNING, &pdev->dev, "nr_ports (%u) and implemented port map " - "(0x%x) don't match\n", + "(0x%x) don't match, using nr_ports\n", ahci_nr_ports(cap), port_map); - } else { - /* fabricate port_map from cap.nr_ports */ + port_map = 0; + } + } + + /* fabricate port_map from cap.nr_ports */ + if (!port_map) { port_map = (1 << ahci_nr_ports(cap)) - 1; + dev_printk(KERN_WARNING, &pdev->dev, + "forcing PORTS_IMPL to 0x%x\n", port_map); + + /* write the fixed up value to the PI register */ + hpriv->saved_port_map = port_map; } /* record values to use during operation */ |