The rx_buffer is only dma_alloc'ed but never properly flushed. Fix that. While at it, also use proper volatile access instead of sw barriers.
Signed-off-by: Steffen Trumtrar <s.trumt...@pengutronix.de> --- Changes in v3: - fix dma_unmap_single direction - dma_map_single packet in macb_send() - Link to v2: https://lore.barebox.org/20231129-v2023-08-0-topic-macb-v2-0-4dc2cb4d5...@pengutronix.de Changes in v2: - change dma_map_single to DMA_FROM_DEVICE - drop (unsigned long) casts in dma_sync_* - rework writel/setbits/clearbits to keep semantics - Link to v1: https://lore.barebox.org/20231128-v2023-08-0-topic-macb-v1-0-9faff73bc...@pengutronix.de --- Steffen Trumtrar (2): net: macb: fix dma_alloc for rx_buffer net: macb: convert to volatile accesses drivers/net/macb.c | 134 ++++++++++++++++++++++++++++++----------------------- 1 file changed, 77 insertions(+), 57 deletions(-) --- base-commit: 5f200dd534c848dfa5d948334b6373f0310b8f73 change-id: 20231128-v2023-08-0-topic-macb-0c13ed91179d Best regards, -- Steffen Trumtrar <s.trumt...@pengutronix.de>
