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authorBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2013-10-18 21:35:32 +0400
committerDan Williams <dan.j.williams@intel.com>2013-11-14 23:04:38 +0400
commit54f8d501e842879143e867e70996574a54d1e130 (patch)
tree1fcd65a5152d330167f5eefba5cc5d514ec91da1 /drivers/dma/ioat/dma.h
parent6f57fd0578dff23a4bd16118f0cb4201bcec91f1 (diff)
downloadlinux-54f8d501e842879143e867e70996574a54d1e130.tar.xz
dmaengine: remove DMA unmap from drivers
Remove support for DMA unmapping from drivers as it is no longer needed (DMA core code is now handling it). Cc: Vinod Koul <vinod.koul@intel.com> Cc: Tomasz Figa <t.figa@samsung.com> Cc: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> [djbw: fix up chan2parent() unused warning in drivers/dma/dw/core.c] Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ioat/dma.h')
-rw-r--r--drivers/dma/ioat/dma.h12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 54fb7b9ff9aa..4300d5af188f 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -342,16 +342,6 @@ static inline bool is_ioat_bug(unsigned long err)
return !!err;
}
-static inline void ioat_unmap(struct pci_dev *pdev, dma_addr_t addr, size_t len,
- int direction, enum dma_ctrl_flags flags, bool dst)
-{
- if ((dst && (flags & DMA_COMPL_DEST_UNMAP_SINGLE)) ||
- (!dst && (flags & DMA_COMPL_SRC_UNMAP_SINGLE)))
- pci_unmap_single(pdev, addr, len, direction);
- else
- pci_unmap_page(pdev, addr, len, direction);
-}
-
int ioat_probe(struct ioatdma_device *device);
int ioat_register(struct ioatdma_device *device);
int ioat1_dma_probe(struct ioatdma_device *dev, int dca);
@@ -363,8 +353,6 @@ void ioat_init_channel(struct ioatdma_device *device,
struct ioat_chan_common *chan, int idx);
enum dma_status ioat_dma_tx_status(struct dma_chan *c, dma_cookie_t cookie,
struct dma_tx_state *txstate);
-void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
- size_t len, struct ioat_dma_descriptor *hw);
bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
dma_addr_t *phys_complete);
void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type);