[PATCH net-next 06/14] sfc: commonise efx_sync_rx_buffer()

[Edward Cree]

The ef100 RX path will also need to DMA-sync RX buffers.

Signed-off-by: Edward Cree <ec...@solarflare.com>
---
 drivers/net/ethernet/sfc/rx.c        | 8 --------
 drivers/net/ethernet/sfc/rx_common.h | 9 +++++++++
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
index c73b933a9101..59a43d586967 100644
--- a/drivers/net/ethernet/sfc/rx.c
+++ b/drivers/net/ethernet/sfc/rx.c
@@ -40,14 +40,6 @@
 #define EFX_RX_MAX_FRAGS DIV_ROUND_UP(EFX_MAX_FRAME_LEN(EFX_MAX_MTU), \
                                      EFX_RX_USR_BUF_SIZE)
 
-static inline void efx_sync_rx_buffer(struct efx_nic *efx,
-                                     struct efx_rx_buffer *rx_buf,
-                                     unsigned int len)
-{
-       dma_sync_single_for_cpu(&efx->pci_dev->dev, rx_buf->dma_addr, len,
-                               DMA_FROM_DEVICE);
-}
-
 static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue,
                                     struct efx_rx_buffer *rx_buf,
                                     int len)
diff --git a/drivers/net/ethernet/sfc/rx_common.h 
b/drivers/net/ethernet/sfc/rx_common.h
index 1672d74f30e2..207ccd8ba062 100644
--- a/drivers/net/ethernet/sfc/rx_common.h
+++ b/drivers/net/ethernet/sfc/rx_common.h
@@ -57,6 +57,15 @@ void efx_init_rx_buffer(struct efx_rx_queue *rx_queue,
                        unsigned int page_offset,
                        u16 flags);
 void efx_unmap_rx_buffer(struct efx_nic *efx, struct efx_rx_buffer *rx_buf);
+
+static inline void efx_sync_rx_buffer(struct efx_nic *efx,
+                                     struct efx_rx_buffer *rx_buf,
+                                     unsigned int len)
+{
+       dma_sync_single_for_cpu(&efx->pci_dev->dev, rx_buf->dma_addr, len,
+                               DMA_FROM_DEVICE);
+}
+
 void efx_free_rx_buffers(struct efx_rx_queue *rx_queue,
                         struct efx_rx_buffer *rx_buf,
                         unsigned int num_bufs);