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ide: move command related fields from ide_hwif_t to struct ide_cmd

Forráskód böngészése 
* 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>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2009-03-27 12:46:38 +01:00
szülő adb1af9803
commit b6308ee0c5
12 fájl változott, egészen pontosan 61 új sor hozzáadva és 61 régi sor törölve
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16
drivers/ide/ide-dma.c
Fájl megtekintése

@@ -128,21 +128,22 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq)
{
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 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq)
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);