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path: root/drivers/ide/ide-lib.c
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Diffstat (limited to 'drivers/ide/ide-lib.c')
-rw-r--r--drivers/ide/ide-lib.c26
1 files changed, 0 insertions, 26 deletions
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index e1180fa46196..78cb79eddc8b 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -6,32 +6,6 @@
#include <linux/ide.h>
#include <linux/bitops.h>
-/**
- * ide_toggle_bounce - handle bounce buffering
- * @drive: drive to update
- * @on: on/off boolean
- *
- * Enable or disable bounce buffering for the device. Drives move
- * between PIO and DMA and that changes the rules we need.
- */
-
-void ide_toggle_bounce(ide_drive_t *drive, int on)
-{
- u64 addr = BLK_BOUNCE_HIGH; /* dma64_addr_t */
-
- if (!PCI_DMA_BUS_IS_PHYS) {
- addr = BLK_BOUNCE_ANY;
- } else if (on && drive->media == ide_disk) {
- struct device *dev = drive->hwif->dev;
-
- if (dev && dev->dma_mask)
- addr = *dev->dma_mask;
- }
-
- if (drive->queue)
- blk_queue_bounce_limit(drive->queue, addr);
-}
-
u64 ide_get_lba_addr(struct ide_cmd *cmd, int lba48)
{
struct ide_taskfile *tf = &cmd->tf;