DMA_CH_TDRLR     1426 drivers/net/ethernet/amd/xgbe/xgbe-dev.c 	XGMAC_DMA_IOWRITE(channel, DMA_CH_TDRLR, ring->rdesc_count - 1);
DMA_CH_TDRLR     1072 drivers/net/ethernet/synopsys/dwc-xlgmac-hw.c 	writel(ring->dma_desc_count - 1, XLGMAC_DMA_REG(channel, DMA_CH_TDRLR));