diff options
| -rw-r--r-- | drivers/ide/pci/cs5520.c | 14 | ||||
| -rw-r--r-- | drivers/ide/setup-pci.c | 35 | ||||
| -rw-r--r-- | include/linux/ide.h | 5 |
3 files changed, 20 insertions, 34 deletions
diff --git a/drivers/ide/pci/cs5520.c b/drivers/ide/pci/cs5520.c index 17d35ca61351..4fb43206621a 100644 --- a/drivers/ide/pci/cs5520.c +++ b/drivers/ide/pci/cs5520.c @@ -106,18 +106,6 @@ static void cs5520_set_dma_mode(ide_drive_t *drive, const u8 speed) } /* - * We provide a callback for our nonstandard DMA location - */ - -static void __devinit cs5520_init_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwif_t *hwif) -{ - unsigned long bmide = pci_resource_start(dev, 2); /* Not the usual 4 */ - if(hwif->mate && hwif->mate->dma_base) /* Second channel at primary + 8 */ - bmide += 8; - ide_setup_dma(hwif, bmide, 8); -} - -/* * We wrap the DMA activate to set the vdma flag. This is needed * so that the IDE DMA layer issues PIO not DMA commands over the * DMA channel @@ -150,9 +138,9 @@ static void __devinit init_hwif_cs5520(ide_hwif_t *hwif) #define DECLARE_CS_DEV(name_str) \ { \ .name = name_str, \ - .init_setup_dma = cs5520_init_setup_dma, \ .init_hwif = init_hwif_cs5520, \ .host_flags = IDE_HFLAG_ISA_PORTS | \ + IDE_HFLAG_CS5520 | \ IDE_HFLAG_VDMA | \ IDE_HFLAG_NO_ATAPI_DMA | \ IDE_HFLAG_BOOTABLE, \ diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 26061fe1b712..479add4af499 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -147,6 +147,7 @@ static int ide_setup_pci_baseregs (struct pci_dev *dev, const char *name) #ifdef CONFIG_BLK_DEV_IDEDMA_PCI /** * ide_get_or_set_dma_base - setup BMIBA + * @d: IDE pci device data * @hwif: Interface * * Fetch the DMA Bus-Master-I/O-Base-Address (BMIBA) from PCI space. @@ -154,7 +155,7 @@ static int ide_setup_pci_baseregs (struct pci_dev *dev, const char *name) * and enforce IDE simplex rules. */ -static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif) +static unsigned long ide_get_or_set_dma_base(ide_pci_device_t *d, ide_hwif_t *hwif) { unsigned long dma_base = 0; struct pci_dev *dev = hwif->pci_dev; @@ -165,14 +166,15 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif) if (hwif->mate && hwif->mate->dma_base) { dma_base = hwif->mate->dma_base - (hwif->channel ? 0 : 8); } else { - dma_base = pci_resource_start(dev, 4); - if (!dma_base) { - printk(KERN_ERR "%s: dma_base is invalid\n", - hwif->cds->name); - } + u8 baridx = (d->host_flags & IDE_HFLAG_CS5520) ? 2 : 4; + + dma_base = pci_resource_start(dev, baridx); + + if (dma_base == 0) + printk(KERN_ERR "%s: DMA base is invalid\n", d->name); } - if (dma_base) { + if ((d->host_flags & IDE_HFLAG_CS5520) == 0 && dma_base) { u8 simplex_stat = 0; dma_base += hwif->channel ? 8 : 0; @@ -188,8 +190,8 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif) simplex_stat = hwif->INB(dma_base + 2); if (simplex_stat & 0x80) { printk(KERN_INFO "%s: simplex device: " - "DMA forced\n", - hwif->cds->name); + "DMA forced\n", + d->name); } break; default: @@ -212,8 +214,8 @@ static unsigned long ide_get_or_set_dma_base (ide_hwif_t *hwif) */ if (hwif->mate && hwif->mate->dma_base) { printk(KERN_INFO "%s: simplex device: " - "DMA disabled\n", - hwif->cds->name); + "DMA disabled\n", + d->name); dma_base = 0; } } @@ -434,7 +436,7 @@ static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwi if ((d->host_flags & IDE_HFLAG_NO_AUTODMA) == 0 || ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 0x80))) { - unsigned long dma_base = ide_get_or_set_dma_base(hwif); + unsigned long dma_base = ide_get_or_set_dma_base(d, hwif); if (dma_base && !(pcicmd & PCI_COMMAND_MASTER)) { /* * Set up BM-DMA capability @@ -559,14 +561,9 @@ void ide_pci_setup_ports(struct pci_dev *dev, ide_pci_device_t *d, int pciirq, a if (d->init_iops) d->init_iops(hwif); - if (d->host_flags & IDE_HFLAG_NO_DMA) - goto bypass_legacy_dma; - - if(d->init_setup_dma) - d->init_setup_dma(dev, d, hwif); - else + if ((d->host_flags & IDE_HFLAG_NO_DMA) == 0) ide_hwif_setup_dma(dev, d, hwif); -bypass_legacy_dma: + hwif->host_flags = d->host_flags; hwif->pio_mask = d->pio_mask; diff --git a/include/linux/ide.h b/include/linux/ide.h index 6f375e044c3e..b721f0b379f6 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1252,6 +1252,8 @@ enum { IDE_HFLAG_NO_DMA = (1 << 14), /* check if host is PCI IDE device before allowing DMA */ IDE_HFLAG_NO_AUTODMA = (1 << 15), + /* host is CS5510/CS5520 */ + IDE_HFLAG_CS5520 = (1 << 16), }; #ifdef CONFIG_BLK_DEV_OFFBOARD @@ -1263,7 +1265,6 @@ enum { typedef struct ide_pci_device_s { char *name; int (*init_setup)(struct pci_dev *, struct ide_pci_device_s *); - void (*init_setup_dma)(struct pci_dev *, struct ide_pci_device_s *, ide_hwif_t *); unsigned int (*init_chipset)(struct pci_dev *, const char *); void (*init_iops)(ide_hwif_t *); void (*init_hwif)(ide_hwif_t *); @@ -1272,7 +1273,7 @@ typedef struct ide_pci_device_s { ide_pci_enablebit_t enablebits[2]; unsigned int extra; struct ide_pci_device_s *next; - u16 host_flags; + u32 host_flags; u8 pio_mask; u8 udma_mask; } ide_pci_device_t; |