0905-increase-dma-burst-size.patch

--- a/arch/mips/lantiq/xway/dma.c   2019-01-26 09:37:07.000000000 +0100
+++ b/arch/mips/lantiq/xway/dma.c   2019-01-30 23:15:08.149803399 +0100
@@ -194,6 +194,11 @@
    ltq_dma_w32(p, LTQ_DMA_PS);
    switch (p) {
    case DMA_PORT_ETOP:
+
+       //TODO test without when ethernet driver is stable
+       ltq_dma_w32_mask(0x3c, (DMA_2W_BURST << 4) | (DMA_2W_BURST << 2),
+           LTQ_DMA_PCTRL);
+
        /*
         * Tell the DMA engine to swap the endianness of data frames and
         * drop packets if the channel arbitration fails.