[PATCH 22/28] sgiseeq: convert from dma_cache_sync to dma_sync_single_for_device

From: Christoph Hellwig
Date: Wed Aug 19 2020 - 03:03:34 EST


Use the proper modern API to transfer cache ownership for incoherent DMA.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/net/ethernet/seeq/sgiseeq.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/seeq/sgiseeq.c b/drivers/net/ethernet/seeq/sgiseeq.c
index 39599bbb5d45b6..f91dae16d69a19 100644
--- a/drivers/net/ethernet/seeq/sgiseeq.c
+++ b/drivers/net/ethernet/seeq/sgiseeq.c
@@ -112,14 +112,18 @@ struct sgiseeq_private {

static inline void dma_sync_desc_cpu(struct net_device *dev, void *addr)
{
- dma_cache_sync(dev->dev.parent, addr, sizeof(struct sgiseeq_rx_desc),
- DMA_FROM_DEVICE);
+ struct sgiseeq_private *sp = netdev_priv(dev);
+
+ dma_sync_single_for_cpu(dev->dev.parent, VIRT_TO_DMA(sp, addr),
+ sizeof(struct sgiseeq_rx_desc), DMA_BIDIRECTIONAL);
}

static inline void dma_sync_desc_dev(struct net_device *dev, void *addr)
{
- dma_cache_sync(dev->dev.parent, addr, sizeof(struct sgiseeq_rx_desc),
- DMA_TO_DEVICE);
+ struct sgiseeq_private *sp = netdev_priv(dev);
+
+ dma_sync_single_for_device(dev->dev.parent, VIRT_TO_DMA(sp, addr),
+ sizeof(struct sgiseeq_rx_desc), DMA_BIDIRECTIONAL);
}

static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs)
--
2.28.0