| From | Ben Hutchings <> | Date | Sun, 16 Jul 2017 14:56:46 +0100 | Subject | [PATCH 3.16 032/178] net: bcmgenet: add begin/complete ethtool ops |
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3.16.46-rc1 review patch. If anyone has any objections, please let me know.
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From: Edwin Chan <edwin.chan@broadcom.com>
commit 89316fa34ab8afac8d693f41a5bc268673f1da15 upstream.
Make sure clock is enabled for ethtool ops.
Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file") Signed-off-by: Edwin Chan <edwin.chan@broadcom.com> Signed-off-by: Doug Berger <opendmb@gmail.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/net/ethernet/broadcom/genet/bcmgenet.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -370,6 +370,22 @@ static inline void bcmgenet_rdma_ring_wr genet_dma_ring_regs[r]); } +static int bcmgenet_begin(struct net_device *dev) +{ + struct bcmgenet_priv *priv = netdev_priv(dev); + + /* Turn on the clock */ + return clk_prepare_enable(priv->clk); +} + +static void bcmgenet_complete(struct net_device *dev) +{ + struct bcmgenet_priv *priv = netdev_priv(dev); + + /* Turn off the clock */ + clk_disable_unprepare(priv->clk); +} + static int bcmgenet_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { @@ -774,6 +790,8 @@ static void bcmgenet_get_ethtool_stats(s /* standard ethtool support functions. */ static struct ethtool_ops bcmgenet_ethtool_ops = { + .begin = bcmgenet_begin, + .complete = bcmgenet_complete, .get_strings = bcmgenet_get_strings, .get_sset_count = bcmgenet_get_sset_count, .get_ethtool_stats = bcmgenet_get_ethtool_stats,
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