diff options
Diffstat (limited to 'drivers/ide/pci/sgiioc4.c')
| -rw-r--r-- | drivers/ide/pci/sgiioc4.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c index 8581789352a..f6c5ba07be7 100644 --- a/drivers/ide/pci/sgiioc4.c +++ b/drivers/ide/pci/sgiioc4.c @@ -101,11 +101,8 @@ sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port, for (i = 0; i <= 7; i++) hw->io_ports_array[i] = reg + i * 4; - if (ctrl_port) - hw->io_ports.ctl_addr = ctrl_port; - - if (irq_port) - hw->io_ports.irq_addr = irq_port; + hw->io_ports.ctl_addr = ctrl_port; + hw->io_ports.irq_addr = irq_port; } static int @@ -303,16 +300,14 @@ static u8 sgiioc4_read_status(ide_hwif_t *hwif) unsigned long port = hwif->io_ports.status_addr; u8 reg = (u8) readb((void __iomem *) port); - if ((port & 0xFFF) == 0x11C) { /* Status register of IOC4 */ - if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */ - unsigned long other_ir = port - 0x110; - unsigned int intr_reg = (u32) readl((void __iomem *) other_ir); + if (!(reg & ATA_BUSY)) { /* Not busy... check for interrupt */ + unsigned long other_ir = port - 0x110; + unsigned int intr_reg = (u32) readl((void __iomem *) other_ir); - /* Clear the Interrupt, Error bits on the IOC4 */ - if (intr_reg & 0x03) { - writel(0x03, (void __iomem *) other_ir); - intr_reg = (u32) readl((void __iomem *) other_ir); - } + /* Clear the Interrupt, Error bits on the IOC4 */ + if (intr_reg & 0x03) { + writel(0x03, (void __iomem *) other_ir); + intr_reg = (u32) readl((void __iomem *) other_ir); } } @@ -329,9 +324,6 @@ ide_dma_sgiioc4(ide_hwif_t *hwif, const struct ide_port_info *d) int num_ports = sizeof (ioc4_dma_regs_t); void *pad; - if (dma_base == 0) - return -1; - printk(KERN_INFO " %s: MMIO-DMA\n", hwif->name); if (request_mem_region(dma_base, num_ports, hwif->name) == NULL) { |