stmmac: add HW DMA feature register (v3)

[pandora-kernel.git] / drivers / net / ethernet / stmicro / stmmac / dwmac1000_dma.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index a89384c..da66ac5 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -132,6 +132,11 @@ static void dwmac1000_dump_dma_regs(void __iomem *ioaddr)
        }
 }
 
+static unsigned int dwmac1000_get_hw_feature(void __iomem *ioaddr)
+{
+       return readl(ioaddr + DMA_HW_FEATURE);
+}
+
 const struct stmmac_dma_ops dwmac1000_dma_ops = {
        .init = dwmac1000_dma_init,
        .dump_regs = dwmac1000_dump_dma_regs,
@@ -144,4 +149,5 @@ const struct stmmac_dma_ops dwmac1000_dma_ops = {
        .start_rx = dwmac_dma_start_rx,
        .stop_rx = dwmac_dma_stop_rx,
        .dma_interrupt = dwmac_dma_interrupt,
+       .get_hw_feature = dwmac1000_get_hw_feature,
 };