According to http://marc.info/?l=linux-ide&m=114346138611631, the drivers must always register 8 DMA ports with ide_setup_dma(), so its last argument is not needed. While at it, kill some useless parens in that function... Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx> --- Both patches are aginst the top of pata-2.6 patchset... drivers/ide/ide-dma.c | 40 ++++++++++++++++++++-------------------- drivers/ide/pci/alim15x3.c | 2 +- drivers/ide/pci/hpt366.c | 2 +- drivers/ide/pci/pdc202xx_old.c | 4 ++-- drivers/ide/setup-pci.c | 2 +- include/linux/ide.h | 2 +- 6 files changed, 26 insertions(+), 26 deletions(-) Index: linux-2.6/drivers/ide/ide-dma.c =================================================================== --- linux-2.6.orig/drivers/ide/ide-dma.c +++ linux-2.6/drivers/ide/ide-dma.c @@ -891,19 +891,19 @@ static int ide_allocate_dma_engine(ide_h return 1; } -static int ide_mapped_mmio_dma(ide_hwif_t *hwif, unsigned long base, unsigned int ports) +static int ide_mapped_mmio_dma(ide_hwif_t *hwif, unsigned long base) { printk(KERN_INFO " %s: MMIO-DMA ", hwif->name); return 0; } -static int ide_iomio_dma(ide_hwif_t *hwif, unsigned long base, unsigned int ports) +static int ide_iomio_dma(ide_hwif_t *hwif, unsigned long base) { printk(KERN_INFO " %s: BM-DMA at 0x%04lx-0x%04lx", - hwif->name, base, base + ports - 1); + hwif->name, base, base + 7); - if (!request_region(base, ports, hwif->name)) { + if (!request_region(base, 8, hwif->name)) { printk(" -- Error, ports in use.\n"); return 1; } @@ -915,7 +915,7 @@ static int ide_iomio_dma(ide_hwif_t *hwi if (!request_region(hwif->extra_base, hwif->cds->extra, hwif->cds->name)) { printk(" -- Error, extra ports in use.\n"); - release_region(base, ports); + release_region(base, 8); return 1; } hwif->extra_ports = hwif->cds->extra; @@ -925,19 +925,19 @@ static int ide_iomio_dma(ide_hwif_t *hwi return 0; } -static int ide_dma_iobase(ide_hwif_t *hwif, unsigned long base, unsigned int ports) +static int ide_dma_iobase(ide_hwif_t *hwif, unsigned long base) { if (hwif->mmio) - return ide_mapped_mmio_dma(hwif, base,ports); + return ide_mapped_mmio_dma(hwif, base); - return ide_iomio_dma(hwif, base, ports); + return ide_iomio_dma(hwif, base); } -void ide_setup_dma(ide_hwif_t *hwif, unsigned long base, unsigned num_ports) +void ide_setup_dma(ide_hwif_t *hwif, unsigned long base) { u8 dma_stat; - if (ide_dma_iobase(hwif, base, num_ports)) + if (ide_dma_iobase(hwif, base)) return; if (ide_allocate_dma_engine(hwif)) { @@ -947,16 +947,16 @@ void ide_setup_dma(ide_hwif_t *hwif, uns hwif->dma_base = base; - if (!(hwif->dma_command)) - hwif->dma_command = hwif->dma_base; - if (!(hwif->dma_vendor1)) - hwif->dma_vendor1 = (hwif->dma_base + 1); - if (!(hwif->dma_status)) - hwif->dma_status = (hwif->dma_base + 2); - if (!(hwif->dma_vendor3)) - hwif->dma_vendor3 = (hwif->dma_base + 3); - if (!(hwif->dma_prdtable)) - hwif->dma_prdtable = (hwif->dma_base + 4); + if (!hwif->dma_command) + hwif->dma_command = hwif->dma_base + 0; + if (!hwif->dma_vendor1) + hwif->dma_vendor1 = hwif->dma_base + 1; + if (!hwif->dma_status) + hwif->dma_status = hwif->dma_base + 2; + if (!hwif->dma_vendor3) + hwif->dma_vendor3 = hwif->dma_base + 3; + if (!hwif->dma_prdtable) + hwif->dma_prdtable = hwif->dma_base + 4; if (!hwif->dma_host_set) hwif->dma_host_set = &ide_dma_host_set; Index: linux-2.6/drivers/ide/pci/alim15x3.c =================================================================== --- linux-2.6.orig/drivers/ide/pci/alim15x3.c +++ linux-2.6/drivers/ide/pci/alim15x3.c @@ -745,7 +745,7 @@ static void __devinit init_dma_ali15x3 ( return; if (!hwif->channel) outb(inb(dmabase + 2) & 0x60, dmabase + 2); - ide_setup_dma(hwif, dmabase, 8); + ide_setup_dma(hwif, dmabase); } static const struct ide_port_info ali15x3_chipset __devinitdata = { Index: linux-2.6/drivers/ide/pci/hpt366.c =================================================================== --- linux-2.6.orig/drivers/ide/pci/hpt366.c +++ linux-2.6/drivers/ide/pci/hpt366.c @@ -1413,7 +1413,7 @@ static void __devinit init_dma_hpt366(id local_irq_restore(flags); - ide_setup_dma(hwif, dmabase, 8); + ide_setup_dma(hwif, dmabase); } static void __devinit hpt374_init(struct pci_dev *dev, struct pci_dev *dev2) Index: linux-2.6/drivers/ide/pci/pdc202xx_old.c =================================================================== --- linux-2.6.orig/drivers/ide/pci/pdc202xx_old.c +++ linux-2.6/drivers/ide/pci/pdc202xx_old.c @@ -334,7 +334,7 @@ static void __devinit init_dma_pdc202xx( u8 udma_speed_flag = 0, primary_mode = 0, secondary_mode = 0; if (hwif->channel) { - ide_setup_dma(hwif, dmabase, 8); + ide_setup_dma(hwif, dmabase); return; } @@ -358,7 +358,7 @@ static void __devinit init_dma_pdc202xx( } #endif /* CONFIG_PDC202XX_BURST */ - ide_setup_dma(hwif, dmabase, 8); + ide_setup_dma(hwif, dmabase); } static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev, Index: linux-2.6/drivers/ide/setup-pci.c =================================================================== --- linux-2.6.orig/drivers/ide/setup-pci.c +++ linux-2.6/drivers/ide/setup-pci.c @@ -451,7 +451,7 @@ static void ide_hwif_setup_dma(struct pc if (d->init_dma) { d->init_dma(hwif, dma_base); } else { - ide_setup_dma(hwif, dma_base, 8); + ide_setup_dma(hwif, dma_base); } } else { printk(KERN_INFO "%s: %s Bus-Master DMA disabled " Index: linux-2.6/include/linux/ide.h =================================================================== --- linux-2.6.orig/include/linux/ide.h +++ linux-2.6/include/linux/ide.h @@ -1158,7 +1158,7 @@ extern int ide_build_sglist(ide_drive_t extern int ide_build_dmatable(ide_drive_t *, struct request *); extern void ide_destroy_dmatable(ide_drive_t *); extern int ide_release_dma(ide_hwif_t *); -extern void ide_setup_dma(ide_hwif_t *, unsigned long, unsigned int); +extern void ide_setup_dma(ide_hwif_t *, unsigned long); void ide_dma_host_set(ide_drive_t *, int); extern int ide_dma_setup(ide_drive_t *); - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
