diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/sata_promise.c | 56 |
1 files changed, 23 insertions, 33 deletions
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 7fcc4fe4d79b..78bdfd00b218 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -45,8 +45,7 @@ #include "sata_promise.h" #define DRV_NAME "sata_promise" -#define DRV_VERSION "2.07" - +#define DRV_VERSION "2.08" enum { PDC_MAX_PORTS = 4, @@ -94,7 +93,7 @@ enum { board_20319 = 2, /* FastTrak S150 TX4 */ board_20619 = 3, /* FastTrak TX4000 */ board_2057x = 4, /* SATAII150 Tx2plus */ - board_2057x_pata = 5, /* SATAII150 Tx2plus */ + board_2057x_pata = 5, /* SATAII150 Tx2plus PATA port */ board_40518 = 6, /* SATAII150 Tx4 */ PDC_HAS_PATA = (1 << 1), /* PDC20375/20575 has PATA */ @@ -124,7 +123,6 @@ enum { PDC_FLAG_4_PORTS = (1 << 26), /* 4 ports */ }; - struct pdc_port_priv { u8 *pkt; dma_addr_t pkt_dma; @@ -340,7 +338,6 @@ static const struct pci_device_id pdc_ata_pci_tbl[] = { { } /* terminate list */ }; - static struct pci_driver pdc_ata_pci_driver = { .name = DRV_NAME, .id_table = pdc_ata_pci_tbl, @@ -348,7 +345,6 @@ static struct pci_driver pdc_ata_pci_driver = { .remove = ata_pci_remove_one, }; - static int pdc_common_port_start(struct ata_port *ap) { struct device *dev = ap->host->dev; @@ -438,7 +434,6 @@ static u32 pdc_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) return readl(ap->ioaddr.scr_addr + (sc_reg * 4)); } - static void pdc_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val) { @@ -657,8 +652,8 @@ static void pdc_error_intr(struct ata_port *ap, struct ata_queued_cmd *qc, ata_port_abort(ap); } -static inline unsigned int pdc_host_intr( struct ata_port *ap, - struct ata_queued_cmd *qc) +static inline unsigned int pdc_host_intr(struct ata_port *ap, + struct ata_queued_cmd *qc) { unsigned int handled = 0; void __iomem *port_mmio = ap->ioaddr.cmd_addr; @@ -685,10 +680,10 @@ static inline unsigned int pdc_host_intr( struct ata_port *ap, handled = 1; break; - default: + default: ap->stats.idle_irq++; break; - } + } return handled; } @@ -701,6 +696,18 @@ static void pdc_irq_clear(struct ata_port *ap) readl(mmio + PDC_INT_SEQMASK); } +static inline int pdc_is_sataii_tx4(unsigned long flags) +{ + const unsigned long mask = PDC_FLAG_GEN_II | PDC_FLAG_4_PORTS; + return (flags & mask) == mask; +} + +static inline unsigned int pdc_port_no_to_ata_no(unsigned int port_no, int is_sataii_tx4) +{ + static const unsigned char sataii_tx4_port_remap[4] = { 3, 1, 0, 2}; + return is_sataii_tx4 ? sataii_tx4_port_remap[port_no] : port_no; +} + static irqreturn_t pdc_interrupt (int irq, void *dev_instance) { struct ata_host *host = dev_instance; @@ -807,7 +814,6 @@ static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) ata_tf_load(ap, tf); } - static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf) { WARN_ON (tf->protocol == ATA_PROT_DMA || @@ -867,7 +873,6 @@ static void pdc_ata_setup_port(struct ata_port *ap, ap->ioaddr.scr_addr = scr_addr; } - static void pdc_host_init(struct ata_host *host) { void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; @@ -955,10 +960,8 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e if (pi->flags & PDC_FLAG_SATA_PATA) { u8 tmp = readb(base + PDC_FLASH_CTL+1); - if (!(tmp & 0x80)) { + if (!(tmp & 0x80)) ppi[n_ports++] = pi + 1; - dev_printk(KERN_INFO, &pdev->dev, "PATA port found\n"); - } } host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); @@ -968,22 +971,12 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e } host->iomap = pcim_iomap_table(pdev); - is_sataii_tx4 = 0; - if ((pi->flags & (PDC_FLAG_GEN_II|PDC_FLAG_4_PORTS)) == (PDC_FLAG_GEN_II|PDC_FLAG_4_PORTS)) { - is_sataii_tx4 = 1; - dev_printk(KERN_INFO, &pdev->dev, "applying SATAII TX4 port numbering workaround\n"); - } + is_sataii_tx4 = pdc_is_sataii_tx4(pi->flags); for (i = 0; i < host->n_ports; i++) { - static const unsigned char sataii_tx4_port_remap[4] = { 3, 1, 0, 2}; - int ata_nr; - - ata_nr = i; - if (is_sataii_tx4) - ata_nr = sataii_tx4_port_remap[i]; - + unsigned int ata_no = pdc_port_no_to_ata_no(i, is_sataii_tx4); pdc_ata_setup_port(host->ports[i], - base + 0x200 + ata_nr * 0x80, - base + 0x400 + ata_nr * 0x100); + base + 0x200 + ata_no * 0x80, + base + 0x400 + ata_no * 0x100); } /* initialize adapter */ @@ -1002,19 +995,16 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e &pdc_ata_sht); } - static int __init pdc_ata_init(void) { return pci_register_driver(&pdc_ata_pci_driver); } - static void __exit pdc_ata_exit(void) { pci_unregister_driver(&pdc_ata_pci_driver); } - MODULE_AUTHOR("Jeff Garzik"); MODULE_DESCRIPTION("Promise ATA TX2/TX4/TX4000 low-level driver"); MODULE_LICENSE("GPL"); |