diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index 6e32f8a3710b..edb6053bd980 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -420,6 +420,16 @@ static void dwmac4_qmode(void __iomem *ioaddr, u32 channel, u8 qmode) writel(mtl_tx_op, ioaddr + MTL_CHAN_TX_OP_MODE(channel)); } +static void dwmac4_set_bfsize(void __iomem *ioaddr, int bfsize, u32 chan) +{ + u32 value = readl(ioaddr + DMA_CHAN_RX_CONTROL(chan)); + + value &= ~DMA_RBSZ_MASK; + value |= (bfsize << DMA_RBSZ_SHIFT) & DMA_RBSZ_MASK; + + writel(value, ioaddr + DMA_CHAN_RX_CONTROL(chan)); +} + const struct stmmac_dma_ops dwmac4_dma_ops = { .reset = dwmac4_dma_reset, .init = dwmac4_dma_init, @@ -445,6 +455,7 @@ const struct stmmac_dma_ops dwmac4_dma_ops = { .set_tx_tail_ptr = dwmac4_set_tx_tail_ptr, .enable_tso = dwmac4_enable_tso, .qmode = dwmac4_qmode, + .set_bfsize = dwmac4_set_bfsize, }; const struct stmmac_dma_ops dwmac410_dma_ops = { @@ -472,4 +483,5 @@ const struct stmmac_dma_ops dwmac410_dma_ops = { .set_tx_tail_ptr = dwmac4_set_tx_tail_ptr, .enable_tso = dwmac4_enable_tso, .qmode = dwmac4_qmode, + .set_bfsize = dwmac4_set_bfsize, }; |