diff options
Diffstat (limited to 'drivers/ide/pci/sgiioc4.c')
| -rw-r--r-- | drivers/ide/pci/sgiioc4.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 9e0be7d..0546264 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -25,8 +25,6 @@ #include <linux/hdreg.h> #include <linux/init.h> #include <linux/kernel.h> -#include <linux/timer.h> -#include <linux/mm.h> #include <linux/ioport.h> #include <linux/blkdev.h> #include <linux/scatterlist.h> @@ -159,6 +157,7 @@ sgiioc4_clearirq(ide_drive_t * drive) } if (intr_reg & 0x02) { + struct pci_dev *dev = to_pci_dev(hwif->dev); /* Error when transferring DMA data on PCI bus */ u32 pci_err_addr_low, pci_err_addr_high, pci_stat_cmd_reg; @@ -167,7 +166,7 @@ sgiioc4_clearirq(ide_drive_t * drive) readl((void __iomem *)hwif->io_ports[IDE_IRQ_OFFSET]); pci_err_addr_high = readl((void __iomem *)(hwif->io_ports[IDE_IRQ_OFFSET] + 4)); - pci_read_config_dword(hwif->pci_dev, PCI_COMMAND, + pci_read_config_dword(dev, PCI_COMMAND, &pci_stat_cmd_reg); printk(KERN_ERR "%s(%s) : PCI Bus Error when doing DMA:" @@ -178,8 +177,7 @@ sgiioc4_clearirq(ide_drive_t * drive) __FUNCTION__, drive->name, pci_err_addr_high, pci_err_addr_low); /* Clear the PCI Error indicator */ - pci_write_config_dword(hwif->pci_dev, PCI_COMMAND, - 0x00000146); + pci_write_config_dword(dev, PCI_COMMAND, 0x00000146); } /* Clear the Interrupt, Error bits on the IOC4 */ @@ -334,6 +332,7 @@ sgiioc4_INB(unsigned long port) static int __devinit ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base) { + struct pci_dev *dev = to_pci_dev(hwif->dev); void __iomem *virt_dma_base; int num_ports = sizeof (ioc4_dma_regs_t); void *pad; @@ -359,7 +358,7 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base) } hwif->dma_base = (unsigned long) virt_dma_base; - hwif->dmatable_cpu = pci_alloc_consistent(hwif->pci_dev, + hwif->dmatable_cpu = pci_alloc_consistent(dev, IOC4_PRD_ENTRIES * IOC4_PRD_BYTES, &hwif->dmatable_dma); @@ -368,7 +367,7 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base) hwif->sg_max_nents = IOC4_PRD_ENTRIES; - pad = pci_alloc_consistent(hwif->pci_dev, IOC4_IDE_CACHELINE_SIZE, + pad = pci_alloc_consistent(dev, IOC4_IDE_CACHELINE_SIZE, (dma_addr_t *) &(hwif->dma_status)); if (pad) { @@ -376,8 +375,7 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base) return 0; } - pci_free_consistent(hwif->pci_dev, - IOC4_PRD_ENTRIES * IOC4_PRD_BYTES, + pci_free_consistent(dev, IOC4_PRD_ENTRIES * IOC4_PRD_BYTES, hwif->dmatable_cpu, hwif->dmatable_dma); printk(KERN_INFO "%s() -- Error! Unable to allocate DMA Maps for drive %s\n", @@ -517,8 +515,7 @@ sgiioc4_build_dma_table(ide_drive_t * drive, struct request *rq, int ddir) } use_pio_instead: - pci_unmap_sg(hwif->pci_dev, hwif->sg_table, hwif->sg_nents, - hwif->sg_dma_direction); + ide_destroy_dmatable(drive); return 0; /* revert to PIO for this request */ } @@ -556,7 +553,6 @@ static void __devinit ide_init_sgiioc4(ide_hwif_t * hwif) { hwif->mmio = 1; - hwif->pio_mask = 0x00; hwif->set_pio_mode = NULL; /* Sets timing for PIO mode */ hwif->set_dma_mode = &sgiioc4_set_dma_mode; hwif->selectproc = NULL;/* Use the default routine to select drive */ @@ -573,8 +569,6 @@ ide_init_sgiioc4(ide_hwif_t * hwif) if (hwif->dma_base == 0) return; - hwif->mwdma_mask = ATA_MWDMA2_ONLY; - hwif->dma_host_set = &sgiioc4_dma_host_set; hwif->dma_setup = &sgiioc4_ide_dma_setup; hwif->dma_start = &sgiioc4_ide_dma_start; @@ -584,6 +578,13 @@ ide_init_sgiioc4(ide_hwif_t * hwif) hwif->dma_timeout = &ide_dma_timeout; } +static const struct ide_port_info sgiioc4_port_info __devinitdata = { + .chipset = ide_pci, + .host_flags = IDE_HFLAG_NO_DMA | /* no SFF-style DMA */ + IDE_HFLAG_NO_AUTOTUNE, + .mwdma_mask = ATA_MWDMA2_ONLY, +}; + static int __devinit sgiioc4_ide_setup_pci_device(struct pci_dev *dev) { @@ -594,6 +595,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) int h; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; hw_regs_t hw; + struct ide_port_info d = sgiioc4_port_info; /* * Find an empty HWIF; if none available, return -ENOMEM. @@ -641,8 +643,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) hw.dev = &dev->dev; ide_init_port_hw(hwif, &hw); - hwif->pci_dev = dev; - hwif->channel = 0; /* Single Channel chip */ + hwif->dev = &dev->dev; /* The IOC4 uses MMIO rather than Port IO. */ default_hwif_mmiops(hwif); @@ -650,15 +651,17 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) /* Initializing chipset IRQ Registers */ writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4)); - if (dma_base == 0 || ide_dma_sgiioc4(hwif, dma_base)) + if (dma_base == 0 || ide_dma_sgiioc4(hwif, dma_base)) { printk(KERN_INFO "%s: %s Bus-Master DMA disabled\n", hwif->name, DRV_NAME); + d.mwdma_mask = 0; + } ide_init_sgiioc4(hwif); idx[0] = hwif->index; - if (ide_device_add(idx)) + if (ide_device_add(idx, &d)) return -EIO; return 0; |