ide: keep pointer to struct device instead of struct pci_dev in ide_hwif_t

Keep pointer to struct device instead of struct pci_dev in ide_hwif_t.

While on it:
* Use *dev->dma_mask instead of pci_dev->dma_mask in ide_toggle_bounce().

There should be no functionality changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 13 insertions, 10 deletions

diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 1ca1210ec1c0..782e5da01578 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -184,6 +184,7 @@ static int ide_dma_good_drive(ide_drive_t *drive)
 int ide_build_sglist(ide_drive_t *drive, struct request *rq)
 {
         ide_hwif_t *hwif = HWIF(drive);
+        struct pci_dev *pdev = to_pci_dev(hwif->dev);
         struct scatterlist *sg = hwif->sg_table;
 
         ide_map_sg(drive, rq);
@@ -193,7 +194,7 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq)
         else
                 hwif->sg_dma_direction = PCI_DMA_TODEVICE;
 
-        return pci_map_sg(hwif->pci_dev, sg, hwif->sg_nents, hwif->sg_dma_direction);
+        return pci_map_sg(pdev, sg, hwif->sg_nents, hwif->sg_dma_direction);
 }
 
 EXPORT_SYMBOL_GPL(ide_build_sglist);
@@ -306,11 +307,11 @@ EXPORT_SYMBOL_GPL(ide_build_dmatable);
  
 void ide_destroy_dmatable (ide_drive_t *drive)
 {
-        struct pci_dev *dev = HWIF(drive)->pci_dev;
-        struct scatterlist *sg = HWIF(drive)->sg_table;
-        int nents = HWIF(drive)->sg_nents;
+        ide_hwif_t *hwif = drive->hwif;
+        struct pci_dev *pdev = to_pci_dev(hwif->dev);
 
-        pci_unmap_sg(dev, sg, nents, HWIF(drive)->sg_dma_direction);
+        pci_unmap_sg(pdev, hwif->sg_table, hwif->sg_nents,
+                     hwif->sg_dma_direction);
 }
 
 EXPORT_SYMBOL_GPL(ide_destroy_dmatable);
@@ -843,10 +844,10 @@ EXPORT_SYMBOL(ide_dma_timeout);
 static void ide_release_dma_engine(ide_hwif_t *hwif)
 {
         if (hwif->dmatable_cpu) {
-                pci_free_consistent(hwif->pci_dev,
-                                    PRD_ENTRIES * PRD_BYTES,
-                                    hwif->dmatable_cpu,
-                                    hwif->dmatable_dma);
+                struct pci_dev *pdev = to_pci_dev(hwif->dev);
+
+                pci_free_consistent(pdev, PRD_ENTRIES * PRD_BYTES,
+                                    hwif->dmatable_cpu, hwif->dmatable_dma);
                 hwif->dmatable_cpu = NULL;
         }
 }
@@ -874,7 +875,9 @@ int ide_release_dma(ide_hwif_t *hwif)
 
 static int ide_allocate_dma_engine(ide_hwif_t *hwif)
 {
-        hwif->dmatable_cpu = pci_alloc_consistent(hwif->pci_dev,
+        struct pci_dev *pdev = to_pci_dev(hwif->dev);
+
+        hwif->dmatable_cpu = pci_alloc_consistent(pdev,
                                                   PRD_ENTRIES * PRD_BYTES,
                                                   &hwif->dmatable_dma);