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net: ethernet: stmmac: dwmac-sun8i: Enable control of loopback

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This patch enable use of set_mac_loopback in dwmac-sun8i

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
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>
This commit is contained in:
Corentin Labbe 2019-05-24 10:20:14 +02:00 committed by David S. Miller
parent 84c8df1649
commit 8edb12713e
1 changed files with 13 additions and 0 deletions
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13
drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
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@ -986,6 +986,18 @@ static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv)
regulator_disable(gmac->regulator);
}
static void sun8i_dwmac_set_mac_loopback(void __iomem *ioaddr, bool enable)
{
u32 value = readl(ioaddr + EMAC_BASIC_CTL0);
if (enable)
value |= EMAC_LOOPBACK;
else
value &= ~EMAC_LOOPBACK;
writel(value, ioaddr + EMAC_BASIC_CTL0);
}
static const struct stmmac_ops sun8i_dwmac_ops = {
.core_init = sun8i_dwmac_core_init,
.set_mac = sun8i_dwmac_set_mac,
@ -995,6 +1007,7 @@ static const struct stmmac_ops sun8i_dwmac_ops = {
.flow_ctrl = sun8i_dwmac_flow_ctrl,
.set_umac_addr = sun8i_dwmac_set_umac_addr,
.get_umac_addr = sun8i_dwmac_get_umac_addr,
.set_mac_loopback = sun8i_dwmac_set_mac_loopback,
};
static struct mac_device_info *sun8i_dwmac_setup(void *ppriv)