diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/gianfar.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 46c69cd06553..227b628bc214 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -381,10 +381,14 @@ static void gfar_init_mac(struct net_device *ndev) /* Insert receive time stamps into padding alignment bytes */ if (priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER) { rctrl &= ~RCTRL_PAL_MASK; - rctrl |= RCTRL_PRSDEP_INIT | RCTRL_TS_ENABLE | RCTRL_PADDING(8); + rctrl |= RCTRL_PADDING(8); priv->padding = 8; } + /* Enable HW time stamping if requested from user space */ + if (priv->hwts_rx_en) + rctrl |= RCTRL_PRSDEP_INIT | RCTRL_TS_ENABLE; + /* keep vlan related bits if it's enabled */ if (priv->vlgrp) { rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT; @@ -747,7 +751,8 @@ static int gfar_of_init(struct of_device *ofdev, struct net_device **pdev) FSL_GIANFAR_DEV_HAS_CSUM | FSL_GIANFAR_DEV_HAS_VLAN | FSL_GIANFAR_DEV_HAS_MAGIC_PACKET | - FSL_GIANFAR_DEV_HAS_EXTENDED_HASH; + FSL_GIANFAR_DEV_HAS_EXTENDED_HASH | + FSL_GIANFAR_DEV_HAS_TIMER; ctype = of_get_property(np, "phy-connection-type", NULL); @@ -805,12 +810,20 @@ static int gfar_hwtstamp_ioctl(struct net_device *netdev, switch (config.rx_filter) { case HWTSTAMP_FILTER_NONE: - priv->hwts_rx_en = 0; + if (priv->hwts_rx_en) { + stop_gfar(netdev); + priv->hwts_rx_en = 0; + startup_gfar(netdev); + } break; default: if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER)) return -ERANGE; - priv->hwts_rx_en = 1; + if (!priv->hwts_rx_en) { + stop_gfar(netdev); + priv->hwts_rx_en = 1; + startup_gfar(netdev); + } config.rx_filter = HWTSTAMP_FILTER_ALL; break; } |