diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index 8954b85eb850..cb17f6c35e54 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -161,6 +161,13 @@ static void dwmac4_dma_init(void __iomem *ioaddr, value |= DMA_SYS_BUS_EAME; writel(value, ioaddr + DMA_SYS_BUS_MODE); + + if (dma_cfg->multi_msi_en) { + value = readl(ioaddr + DMA_BUS_MODE); + value &= ~DMA_BUS_MODE_INTM_MASK; + value |= (DMA_BUS_MODE_INTM_MODE1 << DMA_BUS_MODE_INTM_SHIFT); + writel(value, ioaddr + DMA_BUS_MODE); + } } static void _dwmac4_dump_dma_regs(void __iomem *ioaddr, u32 channel, |