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path: root/drivers/ide/pci/sgiioc4.c
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Diffstat (limited to 'drivers/ide/pci/sgiioc4.c')
-rw-r--r--drivers/ide/pci/sgiioc4.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index d8a0d87df734..f3fe287fbd89 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -220,7 +220,7 @@ sgiioc4_ide_dma_end(ide_drive_t * drive)
220 ide_hwif_t *hwif = HWIF(drive); 220 ide_hwif_t *hwif = HWIF(drive);
221 u64 dma_base = hwif->dma_base; 221 u64 dma_base = hwif->dma_base;
222 int dma_stat = 0; 222 int dma_stat = 0;
223 unsigned long *ending_dma = (unsigned long *) hwif->dma_base2; 223 unsigned long *ending_dma = ide_get_hwifdata(hwif);
224 224
225 hwif->OUTL(IOC4_S_DMA_STOP, dma_base + IOC4_DMA_CTRL * 4); 225 hwif->OUTL(IOC4_S_DMA_STOP, dma_base + IOC4_DMA_CTRL * 4);
226 226
@@ -369,6 +369,7 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
369{ 369{
370 void __iomem *virt_dma_base; 370 void __iomem *virt_dma_base;
371 int num_ports = sizeof (ioc4_dma_regs_t); 371 int num_ports = sizeof (ioc4_dma_regs_t);
372 void *pad;
372 373
373 printk(KERN_INFO "%s: BM-DMA at 0x%04lx-0x%04lx\n", hwif->name, 374 printk(KERN_INFO "%s: BM-DMA at 0x%04lx-0x%04lx\n", hwif->name,
374 dma_base, dma_base + num_ports - 1); 375 dma_base, dma_base + num_ports - 1);
@@ -400,17 +401,14 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
400 401
401 hwif->sg_max_nents = IOC4_PRD_ENTRIES; 402 hwif->sg_max_nents = IOC4_PRD_ENTRIES;
402 403
403 hwif->dma_base2 = (unsigned long) 404 pad = pci_alloc_consistent(hwif->pci_dev, IOC4_IDE_CACHELINE_SIZE,
404 pci_alloc_consistent(hwif->pci_dev, 405 (dma_addr_t *) &(hwif->dma_status));
405 IOC4_IDE_CACHELINE_SIZE,
406 (dma_addr_t *) &(hwif->dma_status));
407 406
408 if (!hwif->dma_base2) 407 if (pad) {
409 goto dma_base2alloc_failure; 408 ide_set_hwifdata(hwif, pad);
410 409 return;
411 return; 410 }
412 411
413dma_base2alloc_failure:
414 pci_free_consistent(hwif->pci_dev, 412 pci_free_consistent(hwif->pci_dev,
415 IOC4_PRD_ENTRIES * IOC4_PRD_BYTES, 413 IOC4_PRD_ENTRIES * IOC4_PRD_BYTES,
416 hwif->dmatable_cpu, hwif->dmatable_dma); 414 hwif->dmatable_cpu, hwif->dmatable_dma);
@@ -476,7 +474,7 @@ sgiioc4_configure_for_dma(int dma_direction, ide_drive_t * drive)
476 hwif->OUTL(dma_addr, dma_base + IOC4_DMA_PTR_L * 4); 474 hwif->OUTL(dma_addr, dma_base + IOC4_DMA_PTR_L * 4);
477 475
478 /* Address of the Ending DMA */ 476 /* Address of the Ending DMA */
479 memset((unsigned int *) hwif->dma_base2, 0, IOC4_IDE_CACHELINE_SIZE); 477 memset(ide_get_hwifdata(hwif), 0, IOC4_IDE_CACHELINE_SIZE);
480 ending_dma_addr = cpu_to_le32(hwif->dma_status); 478 ending_dma_addr = cpu_to_le32(hwif->dma_status);
481 hwif->OUTL(ending_dma_addr, dma_base + IOC4_DMA_END_ADDR * 4); 479 hwif->OUTL(ending_dma_addr, dma_base + IOC4_DMA_END_ADDR * 4);
482 480