1 files changed, 14 insertions, 36 deletions

diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index 8a5c7205b77..8d2cc47a362 100644
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -1,6 +1,4 @@
 /*
- * linux/drivers/ide/arm/icside.c
- *
  * Copyright (c) 1996-2004 Russell King.
  *
  * Please note that this platform does not support 32-bit IDE IO.
@@ -71,8 +69,6 @@ struct icside_state {
 	void __iomem *irq_port;
 	void __iomem *ioc_base;
 	unsigned int type;
-	/* parent device... until the IDE core gets one of its own */
-	struct device *dev;
 	ide_hwif_t *hwif[2];
 };
 
@@ -206,23 +202,6 @@ static void icside_maskproc(ide_drive_t *drive, int mask)
  * interfaces use the same IRQ, which should guarantee this.
  */
 
-static void icside_build_sglist(ide_drive_t *drive, struct request *rq)
-{
-	ide_hwif_t *hwif = drive->hwif;
-	struct icside_state *state = 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;
-
-	hwif->sg_nents = dma_map_sg(state->dev, sg, hwif->sg_nents,
-				    hwif->sg_dma_direction);
-}
-
 /*
  * Configure the IOMD to give the appropriate timings for the transfer
  * mode being requested.  We take the advice of the ATA standards, and
@@ -294,33 +273,32 @@ static void icside_dma_host_set(ide_drive_t *drive, int on)
 static int icside_dma_end(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = HWIF(drive);
-	struct icside_state *state = hwif->hwif_data;
+	struct expansion_card *ec = ECARD_DEV(hwif->dev);
 
 	drive->waiting_for_dma = 0;
 
-	disable_dma(ECARD_DEV(state->dev)->dma);
+	disable_dma(ec->dma);
 
 	/* Teardown mappings after DMA has completed. */
-	dma_unmap_sg(state->dev, hwif->sg_table, hwif->sg_nents,
-		     hwif->sg_dma_direction);
+	ide_destroy_dmatable(drive);
 
-	return get_dma_residue(ECARD_DEV(state->dev)->dma) != 0;
+	return get_dma_residue(ec->dma) != 0;
 }
 
 static void icside_dma_start(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = HWIF(drive);
-	struct icside_state *state = hwif->hwif_data;
+	struct expansion_card *ec = ECARD_DEV(hwif->dev);
 
 	/* We can not enable DMA on both channels simultaneously. */
-	BUG_ON(dma_channel_active(ECARD_DEV(state->dev)->dma));
-	enable_dma(ECARD_DEV(state->dev)->dma);
+	BUG_ON(dma_channel_active(ec->dma));
+	enable_dma(ec->dma);
 }
 
 static int icside_dma_setup(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif = HWIF(drive);
-	struct icside_state *state = hwif->hwif_data;
+	struct expansion_card *ec = ECARD_DEV(hwif->dev);
 	struct request *rq = hwif->hwgroup->rq;
 	unsigned int dma_mode;
 
@@ -332,9 +310,9 @@ static int icside_dma_setup(ide_drive_t *drive)
 	/*
 	 * We can not enable DMA on both channels.
 	 */
-	BUG_ON(dma_channel_active(ECARD_DEV(state->dev)->dma));
+	BUG_ON(dma_channel_active(ec->dma));
 
-	icside_build_sglist(drive, rq);
+	hwif->sg_nents = ide_build_sglist(drive, rq);
 
 	/*
 	 * Ensure that we have the right interrupt routed.
@@ -349,14 +327,14 @@ static int icside_dma_setup(ide_drive_t *drive)
 	/*
 	 * Select the correct timing for this drive.
 	 */
-	set_dma_speed(ECARD_DEV(state->dev)->dma, drive->drive_data);
+	set_dma_speed(ec->dma, drive->drive_data);
 
 	/*
 	 * Tell the DMA engine about the SG table and
 	 * data direction.
 	 */
-	set_dma_sg(ECARD_DEV(state->dev)->dma, hwif->sg_table, hwif->sg_nents);
-	set_dma_mode(ECARD_DEV(state->dev)->dma, dma_mode);
+	set_dma_sg(ec->dma, hwif->sg_table, hwif->sg_nents);
+	set_dma_mode(ec->dma, dma_mode);
 
 	drive->waiting_for_dma = 1;
 
@@ -444,6 +422,7 @@ icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *e
 		hwif->noprobe = 0;
 		hwif->chipset = ide_acorn;
 		hwif->gendev.parent = &ec->dev;
+		hwif->dev = &ec->dev;
 	}
 
 	return hwif;
@@ -591,7 +570,6 @@ icside_probe(struct expansion_card *ec, const struct ecard_id *id)
 	}
 
 	state->type	= ICS_TYPE_NOTYPE;
-	state->dev	= &ec->dev;
 
 	idmem = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
 	if (idmem) {