ide: use ide_build_sglist() and ide_destroy_dmatable() in non-PCI host drivers
[cascardo/linux.git] / drivers / ide / mips / au1xxx-ide.c
index 2d3e511..ed1a285 100644 (file)
@@ -209,24 +209,6 @@ static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed)
  */
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-
-static int auide_build_sglist(ide_drive_t *drive,  struct request *rq)
-{
-       ide_hwif_t *hwif = drive->hwif;
-       _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
-       struct scatterlist *sg = hwif->sg_table;
-
-       ide_map_sg(drive, rq);
-
-       if (rq_data_dir(rq) == READ)
-               hwif->sg_dma_direction = DMA_FROM_DEVICE;
-       else
-               hwif->sg_dma_direction = DMA_TO_DEVICE;
-
-       return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
-                         hwif->sg_dma_direction);
-}
-
 static int auide_build_dmatable(ide_drive_t *drive)
 {
        int i, iswrite, count = 0;
@@ -241,8 +223,7 @@ static int auide_build_dmatable(ide_drive_t *drive)
        /* Save for interrupt context */
        ahwif->drive = drive;
 
-       /* Build sglist */
-       hwif->sg_nents = i = auide_build_sglist(drive, rq);
+       hwif->sg_nents = i = ide_build_sglist(drive, rq);
 
        if (!i)
                return 0;
@@ -300,10 +281,7 @@ static int auide_build_dmatable(ide_drive_t *drive)
                return 1;
 
  use_pio_instead:
-       dma_unmap_sg(ahwif->dev,
-                    hwif->sg_table,
-                    hwif->sg_nents,
-                    hwif->sg_dma_direction);
+       ide_destroy_dmatable(drive);
 
        return 0; /* revert to PIO for this request */
 }
@@ -311,11 +289,9 @@ static int auide_build_dmatable(ide_drive_t *drive)
 static int auide_dma_end(ide_drive_t *drive)
 {
        ide_hwif_t *hwif = HWIF(drive);
-       _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
 
        if (hwif->sg_nents) {
-               dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
-                            hwif->sg_dma_direction);
+               ide_destroy_dmatable(drive);
                hwif->sg_nents = 0;
        }
 
@@ -504,7 +480,7 @@ static int auide_ddma_init(_auide_hwif *auide) {
        auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
                                                             NUM_DESCRIPTORS);
  
-       hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
+       hwif->dmatable_cpu = dma_alloc_coherent(hwif->dev,
                                                PRD_ENTRIES * PRD_BYTES,        /* 1 Page */
                                                &hwif->dmatable_dma, GFP_KERNEL);
        
@@ -592,9 +568,6 @@ static int au_ide_probe(struct device *dev)
 #endif
 
        memset(&auide_hwif, 0, sizeof(_auide_hwif));
-       auide_hwif.dev                  = 0;
-
-       ahwif->dev = dev;
        ahwif->irq = platform_get_irq(pdev, 0);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -633,6 +606,8 @@ static int au_ide_probe(struct device *dev)
 
        ide_init_port_hw(hwif, &hw);
 
+       hwif->dev = dev;
+
        hwif->ultra_mask                = 0x0;  /* Disable Ultra DMA */
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
        hwif->mwdma_mask                = 0x07; /* Multimode-2 DMA  */