Device bus address might not be valid for direct access when the bus
address and CPU address are not the same. Use dev_bus_to_phys() to
translate bus address back to CPU address.
Fixes: 3d98b8c504e15 ("net: designware: Invalidate RX buffer cache before
freeing the DMA descriptor")
Signed-off-by: Baruch Siach <bar...@tkos.co.il>
---
drivers/net/designware.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 0f93c25e3fed..fce3ef910cb2 100644
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -716,7 +716,7 @@ static int _dw_free_pkt(struct dw_eth_dev *priv)
ulong desc_start = (ulong)desc_p;
ulong desc_end = desc_start +
roundup(sizeof(*desc_p), ARCH_DMA_MINALIGN);
- ulong data_start = desc_p->dmamac_addr;
+ ulong data_start = dev_bus_to_phys(priv->dev, desc_p->dmamac_addr);
ulong data_end = data_start + roundup(CFG_ETH_BUFSIZE,
ARCH_DMA_MINALIGN);
/* Invalidate the descriptor buffer data */
--
2.47.2
