diff options
| author | Baruch Siach <[email protected]> | 2025-06-18 19:04:35 +0300 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-06-22 10:16:29 -0600 |
| commit | 9d169ac9733b5c3f208921a1d82f4fa8ff708258 (patch) | |
| tree | 5c34086f02703c4405b21b2715416bc6236d9186 | |
| parent | c08cecf2d7632d2c7be9a9d260f74bb585d7a3e3 (diff) | |
net: designware: fix bus address dereference
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 <[email protected]>
Reviewed-by: Ramon Fried <[email protected]>
| -rw-r--r-- | drivers/net/designware.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/designware.c b/drivers/net/designware.c index 0f93c25e3fe..fce3ef910cb 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 */ |