ide: move command related fields from ide_hwif_t to struct ide_cmd
* Move command related fields from ide_hwif_t to struct ide_cmd.
* Make ide_init_sg_cmd() take command and sectors number as arguments.
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 54f17ae..cba9fe5 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -128,21 +128,22 @@
{
ide_hwif_t *hwif = drive->hwif;
struct scatterlist *sg = hwif->sg_table;
+ struct ide_cmd *cmd = &hwif->cmd;
int i;
ide_map_sg(drive, rq);
if (rq_data_dir(rq) == READ)
- hwif->sg_dma_direction = DMA_FROM_DEVICE;
+ cmd->sg_dma_direction = DMA_FROM_DEVICE;
else
- hwif->sg_dma_direction = DMA_TO_DEVICE;
+ cmd->sg_dma_direction = DMA_TO_DEVICE;
- i = dma_map_sg(hwif->dev, sg, hwif->sg_nents, hwif->sg_dma_direction);
+ i = dma_map_sg(hwif->dev, sg, cmd->sg_nents, cmd->sg_dma_direction);
if (i == 0)
ide_map_sg(drive, rq);
else {
- hwif->orig_sg_nents = hwif->sg_nents;
- hwif->sg_nents = i;
+ cmd->orig_sg_nents = cmd->sg_nents;
+ cmd->sg_nents = i;
}
return i;
@@ -162,9 +163,10 @@
void ide_destroy_dmatable(ide_drive_t *drive)
{
ide_hwif_t *hwif = drive->hwif;
+ struct ide_cmd *cmd = &hwif->cmd;
- dma_unmap_sg(hwif->dev, hwif->sg_table, hwif->orig_sg_nents,
- hwif->sg_dma_direction);
+ dma_unmap_sg(hwif->dev, hwif->sg_table, cmd->orig_sg_nents,
+ cmd->sg_dma_direction);
}
EXPORT_SYMBOL_GPL(ide_destroy_dmatable);