Move the function prototype for system_has_dca_enabled() from hw.h to
dma.h. This allows hw.h to be included from tools/, which will be used
in a subsysequent commit to implement a userspace driver for Intel CBDMA
devices in tools/testing/selftests/vfio.
No functional change intended.
Acked-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Acked-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David Matlack <dmatlack@xxxxxxxxxx>
---
drivers/dma/ioat/dma.h | 2 ++
drivers/dma/ioat/hw.h | 3 ---
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index a180171087a8..12a4a4860a74 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -19,6 +19,8 @@
#define IOAT_DMA_DCA_ANY_CPU ~0
+int system_has_dca_enabled(struct pci_dev *pdev);
+
#define to_ioatdma_device(dev) container_of(dev, struct ioatdma_device, dma_dev)
#define to_dev(ioat_chan) (&(ioat_chan)->ioat_dma->pdev->dev)
#define to_pdev(ioat_chan) ((ioat_chan)->ioat_dma->pdev)
diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
index 79e4e4c09c18..0373c48520c9 100644
--- a/drivers/dma/ioat/hw.h
+++ b/drivers/dma/ioat/hw.h
@@ -63,9 +63,6 @@
#define IOAT_VER_3_3 0x33 /* Version 3.3 */
#define IOAT_VER_3_4 0x34 /* Version 3.4 */
-
-int system_has_dca_enabled(struct pci_dev *pdev);
-
#define IOAT_DESC_SZ 64
struct ioat_dma_descriptor {
--
2.51.0.rc2.233.g662b1ed5c5-goog
