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EDMA maps RX fill buffers with DMA_TO_DEVICE but unmaps them with DMA_FROM_DEVICE. Use DMA_FROM_DEVICE consistently, release mappings left on RX rings during teardown, and flush ring-disable writes before descriptor cleanup. Signed-off-by: krava <igor.kravchenko05@gmail.com> Link: https://github.com/openwrt/openwrt/pull/24218 Signed-off-by: Robert Marko <robimarko@gmail.com>