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Message-Id: <1495051550-28961-1-git-send-email-isubramanian@apm.com>
Date: Wed, 17 May 2017 13:05:50 -0700
From: Iyappan Subramanian <isubramanian@....com>
To: davem@...emloft.net, netdev@...r.kernel.org
Cc: f.fainelli@...il.com, linux-arm-kernel@...ts.infradead.org,
patches@....com, Iyappan Subramanian <isubramanian@....com>,
Quan Nguyen <qnguyen@....com>
Subject: [PATCH net-next] drivers: net: xgene: Check all RGMII phy mode variants
This patch addresses the review comment from the previous patch set,
by adding a helper function to address all RGMII phy mode variants.
Signed-off-by: Iyappan Subramanian <isubramanian@....com>
Signed-off-by: Quan Nguyen <qnguyen@....com>
---
Review comment reference:
http://www.spinics.net/lists/netdev/msg434649.html
---
.../net/ethernet/apm/xgene/xgene_enet_ethtool.c | 6 ++---
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 26 +++++++++++++++++-----
drivers/net/ethernet/apm/xgene/xgene_enet_hw.h | 1 +
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 15 ++++++++-----
4 files changed, 33 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
index 0fdec78..a0c9ddc 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ethtool.c
@@ -127,7 +127,7 @@ static int xgene_get_link_ksettings(struct net_device *ndev,
struct phy_device *phydev = ndev->phydev;
u32 supported;
- if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
+ if (is_xgene_enet_phy_mode_rgmii(ndev)) {
if (phydev == NULL)
return -ENODEV;
@@ -177,7 +177,7 @@ static int xgene_set_link_ksettings(struct net_device *ndev,
struct xgene_enet_pdata *pdata = netdev_priv(ndev);
struct phy_device *phydev = ndev->phydev;
- if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
+ if (is_xgene_enet_phy_mode_rgmii(ndev)) {
if (!phydev)
return -ENODEV;
@@ -304,7 +304,7 @@ static int xgene_set_pauseparam(struct net_device *ndev,
struct phy_device *phydev = ndev->phydev;
u32 oldadv, newadv;
- if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII ||
+ if (is_xgene_enet_phy_mode_rgmii(ndev) ||
pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
if (!phydev)
return -EINVAL;
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 6ac27c7..00f313d 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -264,6 +264,20 @@ static void xgene_enet_wr_mcx_csr(struct xgene_enet_pdata *pdata,
iowrite32(val, addr);
}
+bool is_xgene_enet_phy_mode_rgmii(struct net_device *ndev)
+{
+ struct xgene_enet_pdata *pdata = netdev_priv(ndev);
+ int phy_mode = pdata->phy_mode;
+ bool ret;
+
+ ret = phy_mode == PHY_INTERFACE_MODE_RGMII ||
+ phy_mode == PHY_INTERFACE_MODE_RGMII_ID ||
+ phy_mode == PHY_INTERFACE_MODE_RGMII_RXID ||
+ phy_mode == PHY_INTERFACE_MODE_RGMII_TXID;
+
+ return ret;
+}
+
void xgene_enet_wr_mac(struct xgene_enet_pdata *pdata, u32 wr_addr, u32 wr_data)
{
void __iomem *addr, *wr, *cmd, *cmd_done;
@@ -272,7 +286,7 @@ void xgene_enet_wr_mac(struct xgene_enet_pdata *pdata, u32 wr_addr, u32 wr_data)
u32 done;
if (pdata->mdio_driver && ndev->phydev &&
- pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
+ is_xgene_enet_phy_mode_rgmii(ndev)) {
struct mii_bus *bus = ndev->phydev->mdio.bus;
return xgene_mdio_wr_mac(bus->priv, wr_addr, wr_data);
@@ -326,12 +340,13 @@ static void xgene_enet_rd_mcx_csr(struct xgene_enet_pdata *pdata,
u32 xgene_enet_rd_mac(struct xgene_enet_pdata *pdata, u32 rd_addr)
{
void __iomem *addr, *rd, *cmd, *cmd_done;
+ struct net_device *ndev = pdata->ndev;
u32 done, rd_data;
u8 wait = 10;
- if (pdata->mdio_driver && pdata->ndev->phydev &&
- pdata->phy_mode == PHY_INTERFACE_MODE_RGMII) {
- struct mii_bus *bus = pdata->ndev->phydev->mdio.bus;
+ if (pdata->mdio_driver && ndev->phydev &&
+ is_xgene_enet_phy_mode_rgmii(ndev)) {
+ struct mii_bus *bus = ndev->phydev->mdio.bus;
return xgene_mdio_rd_mac(bus->priv, rd_addr);
}
@@ -349,8 +364,7 @@ u32 xgene_enet_rd_mac(struct xgene_enet_pdata *pdata, u32 rd_addr)
udelay(1);
if (!done)
- netdev_err(pdata->ndev, "mac read failed, addr: %04x\n",
- rd_addr);
+ netdev_err(ndev, "mac read failed, addr: %04x\n", rd_addr);
rd_data = ioread32(rd);
iowrite32(0, cmd);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
index 5d3e18d..5c54f65 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h
@@ -431,6 +431,7 @@ static inline u16 xgene_enet_get_numslots(u16 id, u32 size)
size / WORK_DESC_SIZE;
}
+bool is_xgene_enet_phy_mode_rgmii(struct net_device *ndev);
void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring,
enum xgene_enet_err_code status);
int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 21cd4ef..6e0028f 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -1634,7 +1634,7 @@ static int xgene_enet_get_irqs(struct xgene_enet_pdata *pdata)
struct device *dev = &pdev->dev;
int i, ret, max_irqs;
- if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
+ if (is_xgene_enet_phy_mode_rgmii(pdata->ndev))
max_irqs = 1;
else if (pdata->phy_mode == PHY_INTERFACE_MODE_SGMII)
max_irqs = 2;
@@ -1760,7 +1760,7 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
dev_err(dev, "Unable to get phy-connection-type\n");
return pdata->phy_mode;
}
- if (pdata->phy_mode != PHY_INTERFACE_MODE_RGMII &&
+ if (!is_xgene_enet_phy_mode_rgmii(ndev) &&
pdata->phy_mode != PHY_INTERFACE_MODE_SGMII &&
pdata->phy_mode != PHY_INTERFACE_MODE_XGMII) {
dev_err(dev, "Incorrect phy-connection-type specified\n");
@@ -1805,7 +1805,7 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
pdata->cle.base = base_addr + BLOCK_ETH_CLE_CSR_OFFSET;
pdata->eth_ring_if_addr = base_addr + BLOCK_ETH_RING_IF_OFFSET;
pdata->eth_diag_csr_addr = base_addr + BLOCK_ETH_DIAG_CSR_OFFSET;
- if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII ||
+ if (is_xgene_enet_phy_mode_rgmii(ndev) ||
pdata->phy_mode == PHY_INTERFACE_MODE_SGMII) {
pdata->mcx_mac_addr = pdata->base_addr + BLOCK_ETH_MAC_OFFSET;
pdata->mcx_stats_addr =
@@ -1904,6 +1904,9 @@ static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
{
switch (pdata->phy_mode) {
case PHY_INTERFACE_MODE_RGMII:
+ case PHY_INTERFACE_MODE_RGMII_ID:
+ case PHY_INTERFACE_MODE_RGMII_RXID:
+ case PHY_INTERFACE_MODE_RGMII_TXID:
pdata->mac_ops = &xgene_gmac_ops;
pdata->port_ops = &xgene_gport_ops;
pdata->rm = RM3;
@@ -2100,7 +2103,7 @@ static int xgene_enet_probe(struct platform_device *pdev)
if (pdata->phy_mode == PHY_INTERFACE_MODE_XGMII) {
INIT_DELAYED_WORK(&pdata->link_work, link_state);
} else if (!pdata->mdio_driver) {
- if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
+ if (is_xgene_enet_phy_mode_rgmii(ndev))
ret = xgene_enet_mdio_config(pdata);
else
INIT_DELAYED_WORK(&pdata->link_work, link_state);
@@ -2131,7 +2134,7 @@ static int xgene_enet_probe(struct platform_device *pdev)
if (pdata->mdio_driver)
xgene_enet_phy_disconnect(pdata);
- else if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
+ else if (is_xgene_enet_phy_mode_rgmii(ndev))
xgene_enet_mdio_remove(pdata);
err1:
xgene_enet_delete_desc_rings(pdata);
@@ -2155,7 +2158,7 @@ static int xgene_enet_remove(struct platform_device *pdev)
if (pdata->mdio_driver)
xgene_enet_phy_disconnect(pdata);
- else if (pdata->phy_mode == PHY_INTERFACE_MODE_RGMII)
+ else if (is_xgene_enet_phy_mode_rgmii(ndev))
xgene_enet_mdio_remove(pdata);
unregister_netdev(ndev);
--
1.9.1
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