diff options
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c index 829a23bdad01..23ffe1adcd0d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_dma.c @@ -106,6 +106,17 @@ static void dwmac4_dma_init_channel(struct stmmac_priv *priv, ioaddr + DMA_CHAN_INTR_ENA(dwmac4_addrs, chan)); } +static void dwmac4_dma_deinit_channel(struct stmmac_priv *priv, + void __iomem *ioaddr, u32 chan) +{ + const struct dwmac4_addrs *dwmac4_addrs = priv->plat->dwmac4_addrs; + u32 value; + + value = readl(ioaddr + DMA_CHAN_INTR_ENA(dwmac4_addrs, chan)); + value &= ~DMA_CHAN_INTR_DEFAULT_MASK; + writel(value, ioaddr + DMA_CHAN_INTR_ENA(dwmac4_addrs, chan)); +} + static void dwmac410_dma_init_channel(struct stmmac_priv *priv, void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg, u32 chan) @@ -125,6 +136,17 @@ static void dwmac410_dma_init_channel(struct stmmac_priv *priv, ioaddr + DMA_CHAN_INTR_ENA(dwmac4_addrs, chan)); } +static void dwmac410_dma_deinit_channel(struct stmmac_priv *priv, + void __iomem *ioaddr, u32 chan) +{ + const struct dwmac4_addrs *dwmac4_addrs = priv->plat->dwmac4_addrs; + u32 value; + + value = readl(ioaddr + DMA_CHAN_INTR_ENA(dwmac4_addrs, chan)); + value &= ~DMA_CHAN_INTR_DEFAULT_MASK_4_10; + writel(value, ioaddr + DMA_CHAN_INTR_ENA(dwmac4_addrs, chan)); +} + static void dwmac4_dma_init(void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg) { @@ -548,6 +570,7 @@ const struct stmmac_dma_ops dwmac4_dma_ops = { .reset = dwmac4_dma_reset, .init = dwmac4_dma_init, .init_chan = dwmac4_dma_init_channel, + .deinit_chan = dwmac4_dma_deinit_channel, .init_rx_chan = dwmac4_dma_init_rx_chan, .init_tx_chan = dwmac4_dma_init_tx_chan, .axi = dwmac4_dma_axi, @@ -577,6 +600,7 @@ const struct stmmac_dma_ops dwmac410_dma_ops = { .reset = dwmac4_dma_reset, .init = dwmac4_dma_init, .init_chan = dwmac410_dma_init_channel, + .deinit_chan = dwmac410_dma_deinit_channel, .init_rx_chan = dwmac4_dma_init_rx_chan, .init_tx_chan = dwmac4_dma_init_tx_chan, .axi = dwmac4_dma_axi, |