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Subject[PATCH] Revert "net: ethernet: bcmgenet: use phy_ethtool_{get|set}_link_ksettings"
Date
This reverts commit 4386f5662e63 ("net: ethernet: bcmgenet: use
phy_ethtool_{get|set}_link_ksettings")

This patch is wrong, the function phy_ethtool_{get|set}_link_ksettings
don't check if the device is running, but the driver bcmgenet need this
check.

The function {get|set}_settings need to access the mdio bus, and this
bus may only be used when the device is running. Otherwise, the clock
is disable and a mdio access will fail.

Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
---
drivers/net/ethernet/broadcom/genet/bcmgenet.c | 28 ++++++++++++++++++++++-
1 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 76ed6df..8d4f849 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -450,6 +450,30 @@ static inline void bcmgenet_rdma_ring_writel(struct bcmgenet_priv *priv,
genet_dma_ring_regs[r]);
}

+static int bcmgenet_get_settings(struct net_device *dev,
+ struct ethtool_cmd *cmd)
+{
+ if (!netif_running(dev))
+ return -EINVAL;
+
+ if (!dev->phydev)
+ return -ENODEV;
+
+ return phy_ethtool_gset(dev->phydev, cmd);
+}
+
+static int bcmgenet_set_settings(struct net_device *dev,
+ struct ethtool_cmd *cmd)
+{
+ if (!netif_running(dev))
+ return -EINVAL;
+
+ if (!dev->phydev)
+ return -ENODEV;
+
+ return phy_ethtool_sset(dev->phydev, cmd);
+}
+
static int bcmgenet_set_rx_csum(struct net_device *dev,
netdev_features_t wanted)
{
@@ -953,6 +977,8 @@ static struct ethtool_ops bcmgenet_ethtool_ops = {
.get_strings = bcmgenet_get_strings,
.get_sset_count = bcmgenet_get_sset_count,
.get_ethtool_stats = bcmgenet_get_ethtool_stats,
+ .get_settings = bcmgenet_get_settings,
+ .set_settings = bcmgenet_set_settings,
.get_drvinfo = bcmgenet_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_msglevel = bcmgenet_get_msglevel,
@@ -964,8 +990,6 @@ static struct ethtool_ops bcmgenet_ethtool_ops = {
.nway_reset = bcmgenet_nway_reset,
.get_coalesce = bcmgenet_get_coalesce,
.set_coalesce = bcmgenet_set_coalesce,
- .get_link_ksettings = phy_ethtool_get_link_ksettings,
- .set_link_ksettings = phy_ethtool_set_link_ksettings,
};

/* Power down the unimac, based on mode. */
--
1.7.4.4
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