diff options
Diffstat (limited to 'drivers/ide/pci/scc_pata.c')
| -rw-r--r-- | drivers/ide/pci/scc_pata.c | 38 |
1 files changed, 14 insertions, 24 deletions
diff --git a/drivers/ide/pci/scc_pata.c b/drivers/ide/pci/scc_pata.c index 44cccd1e086a..49f163aa51e3 100644 --- a/drivers/ide/pci/scc_pata.c +++ b/drivers/ide/pci/scc_pata.c @@ -26,7 +26,6 @@ #include <linux/module.h> #include <linux/pci.h> #include <linux/delay.h> -#include <linux/hdreg.h> #include <linux/ide.h> #include <linux/init.h> @@ -292,7 +291,7 @@ static void scc_set_dma_mode(ide_drive_t *drive, const u8 speed) static void scc_dma_host_set(ide_drive_t *drive, int on) { ide_hwif_t *hwif = drive->hwif; - u8 unit = (drive->select.b.unit & 0x01); + u8 unit = drive->dn & 1; u8 dma_stat = scc_ide_inb(hwif->dma_base + 4); if (on) @@ -354,7 +353,6 @@ static void scc_dma_start(ide_drive_t *drive) /* start DMA */ scc_ide_outb(dma_cmd | 1, hwif->dma_base); - hwif->dma = 1; wmb(); } @@ -375,7 +373,6 @@ static int __scc_dma_end(ide_drive_t *drive) /* purge DMA mappings */ ide_destroy_dmatable(drive); /* verify good DMA status */ - hwif->dma = 0; wmb(); return (dma_stat & 7) != 4 ? (0x10 | dma_stat) : 0; } @@ -400,7 +397,7 @@ static int scc_dma_end(ide_drive_t *drive) /* errata A308 workaround: Step5 (check data loss) */ /* We don't check non ide_disk because it is limited to UDMA4 */ if (!(in_be32((void __iomem *)hwif->io_ports.ctl_addr) - & ERR_STAT) && + & ATA_ERR) && drive->media == ide_disk && drive->current_speed > XFER_UDMA_4) { reg = in_be32((void __iomem *)intsts_port); if (!(reg & INTSTS_ACTEINT)) { @@ -504,7 +501,7 @@ static int scc_dma_test_irq(ide_drive_t *drive) /* SCC errata A252,A308 workaround: Step4 */ if ((in_be32((void __iomem *)hwif->io_ports.ctl_addr) - & ERR_STAT) && + & ATA_ERR) && (int_stat & INTSTS_INTRQ)) return 1; @@ -512,9 +509,6 @@ static int scc_dma_test_irq(ide_drive_t *drive) if (int_stat & INTSTS_IOIRQS) return 1; - if (!drive->waiting_for_dma) - printk(KERN_WARNING "%s: (%s) called while not waiting\n", - drive->name, __func__); return 0; } @@ -623,7 +617,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev, unsigned long intmask_port; unsigned long mode_port; unsigned long ecmode_port; - unsigned long dma_status_port; u32 reg = 0; struct scc_ports *ports; int rc; @@ -643,7 +636,6 @@ static int __devinit init_setup_scc(struct pci_dev *dev, intmask_port = dma_base + 0x010; mode_port = ctl_base + 0x024; ecmode_port = ctl_base + 0xf00; - dma_status_port = dma_base + 0x004; /* controller initialization */ reg = 0; @@ -711,7 +703,7 @@ static void scc_tf_load(ide_drive_t *drive, ide_task_t *task) scc_ide_outb(tf->lbah, io_ports->lbah_addr); if (task->tf_flags & IDE_TFLAG_OUT_DEVICE) - scc_ide_outb((tf->device & HIHI) | drive->select.all, + scc_ide_outb((tf->device & HIHI) | drive->select, io_ports->device_addr); } @@ -827,6 +819,12 @@ static void __devinit init_iops_scc(ide_hwif_t *hwif) init_mmio_iops_scc(hwif); } +static int __devinit scc_init_dma(ide_hwif_t *hwif, + const struct ide_port_info *d) +{ + return ide_allocate_dma_engine(hwif); +} + static u8 scc_cable_detect(ide_hwif_t *hwif) { return ATA_CBL_PATA80; @@ -843,8 +841,6 @@ static u8 scc_cable_detect(ide_hwif_t *hwif) static void __devinit init_hwif_scc(ide_hwif_t *hwif) { - struct scc_ports *ports = ide_get_hwifdata(hwif); - /* PTERADD */ out_be32((void __iomem *)(hwif->dma_base + 0x018), hwif->dmatable_dma); @@ -891,6 +887,7 @@ static const struct ide_dma_ops scc_dma_ops = { { \ .name = name_str, \ .init_iops = init_iops_scc, \ + .init_dma = scc_init_dma, \ .init_hwif = init_hwif_scc, \ .tp_ops = &scc_tp_ops, \ .port_ops = &scc_port_ops, \ @@ -928,13 +925,6 @@ static void __devexit scc_remove(struct pci_dev *dev) { struct scc_ports *ports = pci_get_drvdata(dev); struct ide_host *host = ports->host; - ide_hwif_t *hwif = host->ports[0]; - - if (hwif->dmatable_cpu) { - pci_free_consistent(dev, PRD_ENTRIES * PRD_BYTES, - hwif->dmatable_cpu, hwif->dmatable_dma); - hwif->dmatable_cpu = NULL; - } ide_host_remove(host); @@ -950,7 +940,7 @@ static const struct pci_device_id scc_pci_tbl[] = { }; MODULE_DEVICE_TABLE(pci, scc_pci_tbl); -static struct pci_driver driver = { +static struct pci_driver scc_pci_driver = { .name = "SCC IDE", .id_table = scc_pci_tbl, .probe = scc_init_one, @@ -959,14 +949,14 @@ static struct pci_driver driver = { static int scc_ide_init(void) { - return ide_pci_register_driver(&driver); + return ide_pci_register_driver(&scc_pci_driver); } module_init(scc_ide_init); /* -- No exit code? static void scc_ide_exit(void) { - ide_pci_unregister_driver(&driver); + ide_pci_unregister_driver(&scc_pci_driver); } module_exit(scc_ide_exit); */ |