net: stmmac: dwmac100: Add MAC loopback support (0a05a7a3) · Commits · 戴 / test

In preparation for the addition of stmmac selftests we implement the MAC loopback callback in dwmac100 core. Signed-off-by:

Jose Abreu <joabreu@synopsys.com> Cc: Joao Pinto <jpinto@synopsys.com> Cc: David S. Miller <davem@davemloft.net> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -160,6 +160,18 @@ static void dwmac100_pmt(struct mac_device_info *hw, unsigned long mode)
		return;
		}

		static void dwmac100_set_mac_loopback(void __iomem *ioaddr, bool enable)
		{
		u32 value = readl(ioaddr + MAC_CONTROL);

		if (enable)
		value \|= MAC_CONTROL_OM;
		else
		value &= ~MAC_CONTROL_OM;

		writel(value, ioaddr + MAC_CONTROL);
		}

		const struct stmmac_ops dwmac100_ops = {
		.core_init = dwmac100_core_init,
		.set_mac = stmmac_set_mac,
		@@ -171,6 +183,7 @@ const struct stmmac_ops dwmac100_ops = {
		.pmt = dwmac100_pmt,
		.set_umac_addr = dwmac100_set_umac_addr,
		.get_umac_addr = dwmac100_get_umac_addr,
		.set_mac_loopback = dwmac100_set_mac_loopback,
		};

		int dwmac100_setup(struct stmmac_priv *priv)

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