diff options
Diffstat (limited to 'drivers/net/ehea/ehea_main.c')
| -rw-r--r-- | drivers/net/ehea/ehea_main.c | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 604c844d0769..147c4b088fb3 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -545,14 +545,17 @@ static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array, x &= (arr_len - 1); pref = skb_array[x]; - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + if (pref) { + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); + + pref = (skb_array[x]->data); + prefetch(pref); + prefetch(pref + EHEA_CACHE_LINE); + prefetch(pref + EHEA_CACHE_LINE * 2); + prefetch(pref + EHEA_CACHE_LINE * 3); + } - pref = (skb_array[x]->data); - prefetch(pref); - prefetch(pref + EHEA_CACHE_LINE); - prefetch(pref + EHEA_CACHE_LINE * 2); - prefetch(pref + EHEA_CACHE_LINE * 3); skb = skb_array[skb_index]; skb_array[skb_index] = NULL; return skb; @@ -569,12 +572,14 @@ static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array, x &= (arr_len - 1); pref = skb_array[x]; - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + if (pref) { + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); - pref = (skb_array[x]->data); - prefetchw(pref); - prefetchw(pref + EHEA_CACHE_LINE); + pref = (skb_array[x]->data); + prefetchw(pref); + prefetchw(pref + EHEA_CACHE_LINE); + } skb = skb_array[wqe_index]; skb_array[wqe_index] = NULL; @@ -3256,7 +3261,7 @@ static ssize_t ehea_probe_port(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct ehea_adapter *adapter = dev->driver_data; + struct ehea_adapter *adapter = dev_get_drvdata(dev); struct ehea_port *port; struct device_node *eth_dn = NULL; int i; @@ -3311,7 +3316,7 @@ static ssize_t ehea_remove_port(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { - struct ehea_adapter *adapter = dev->driver_data; + struct ehea_adapter *adapter = dev_get_drvdata(dev); struct ehea_port *port; int i; u32 logical_port_id; @@ -3399,7 +3404,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev, adapter->pd = EHEA_PD_ID; - dev->dev.driver_data = adapter; + dev_set_drvdata(&dev->dev, adapter); /* initialize adapter and ports */ @@ -3463,7 +3468,7 @@ out: static int __devexit ehea_remove(struct of_device *dev) { - struct ehea_adapter *adapter = dev->dev.driver_data; + struct ehea_adapter *adapter = dev_get_drvdata(&dev->dev); int i; for (i = 0; i < EHEA_MAX_PORTS; i++) |