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From: Jose Abreu <Jose.Abreu@synopsys.com>
To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Cc: Corentin Labbe <clabbe@baylibre.com>,
	Jose Abreu <Jose.Abreu@synopsys.com>,
	Joao Pinto <Joao.Pinto@synopsys.com>,
	"David S . Miller" <davem@davemloft.net>,
	Giuseppe Cavallaro <peppe.cavallaro@st.com>,
	Alexandre Torgue <alexandre.torgue@st.com>
Subject: [PATCH net-next v2 06/18] net: ethernet: stmmac: dwmac-sun8i: Enable control of loopback
Date: Fri, 24 May 2019 10:20:14 +0200	[thread overview]
Message-ID: <79822b628dd5d8f94ceada4436b9681a84e4c45f.1558685827.git.joabreu@synopsys.com> (raw)
In-Reply-To: <cover.1558685827.git.joabreu@synopsys.com>
In-Reply-To: <cover.1558685827.git.joabreu@synopsys.com>

From: Corentin Labbe <clabbe@baylibre.com>

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>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index ba124a4da793..3c7b779dcd4e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -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)
-- 
2.7.4


  parent reply	other threads:[~2019-05-24  8:21 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-24  8:20 [PATCH net-next v2 00/18] net: stmmac: Improvements and Selftests Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 01/18] net: stmmac: Add MAC loopback callback to HWIF Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 02/18] net: stmmac: dwmac100: Add MAC loopback support Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 03/18] net: stmmac: dwmac1000: " Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 04/18] net: stmmac: dwmac4/5: " Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 05/18] net: stmmac: dwxgmac2: " Jose Abreu
2019-05-24  8:20 ` Jose Abreu [this message]
2019-05-24  8:20 ` [PATCH net-next v2 07/18] net: stmmac: Switch MMC functions to HWIF callbacks Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 08/18] net: stmmac: dwmac1000: Also pass control frames while in promisc mode Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 09/18] net: stmmac: dwmac4/5: " Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 10/18] net: stmmac: dwxgmac2: " Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 11/18] net: stmmac: Introduce selftests support Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 12/18] net: stmmac: dwmac1000: Fix Hash Filter Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 13/18] net: stmmac: dwmac1000: Clear unused address entries Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 14/18] net: stmmac: dwmac4/5: Fix Hash Filter Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 15/18] net: stmmac: dwmac4/5: Do not disable whole RX in dma_stop_rx() Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 16/18] net: stmmac: dwxgmac2: " Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 17/18] net: stmmac: dwmac4/5: Clear unused address entries Jose Abreu
2019-05-24  8:20 ` [PATCH net-next v2 18/18] net: stmmac: Prevent missing interrupts when running NAPI Jose Abreu
2019-05-24 20:46 ` [PATCH net-next v2 00/18] net: stmmac: Improvements and Selftests David Miller

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