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net: mvneta: Use on_each_cpu when possible 

Instead of using a for_each_* loop in which we just call the
smp_call_function_single macro, it is more simple to directly use the
on_each_cpu macro. Moreover, this macro ensures that the calls will be
done all at once.

Suggested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Gregory CLEMENT 2016-02-04 22:09:25 +01:00 committed by David S. Miller
parent cad5d847a0
commit 6b125d63b7
1 changed files with 6 additions and 11 deletions
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17
drivers/net/ethernet/marvell/mvneta.c
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@ -2555,7 +2555,7 @@ static void mvneta_percpu_mask_interrupt(void *arg)
static void mvneta_start_dev(struct mvneta_port *pp)
{
unsigned int cpu;
int cpu;
mvneta_max_rx_size_set(pp, pp->pkt_size);
mvneta_txq_max_tx_size_set(pp, pp->pkt_size);
@ -2571,9 +2571,8 @@ static void mvneta_start_dev(struct mvneta_port *pp)
}
/* Unmask interrupts. It has to be done from each CPU */
for_each_online_cpu(cpu)
smp_call_function_single(cpu, mvneta_percpu_unmask_interrupt,
pp, true);
on_each_cpu(mvneta_percpu_unmask_interrupt, pp, true);
mvreg_write(pp, MVNETA_INTR_MISC_MASK,
MVNETA_CAUSE_PHY_STATUS_CHANGE |
MVNETA_CAUSE_LINK_CHANGE |
@ -2993,7 +2992,7 @@ static int mvneta_percpu_notifier(struct notifier_block *nfb,
static int mvneta_open(struct net_device *dev)
{
struct mvneta_port *pp = netdev_priv(dev);
int ret, cpu;
int ret;
pp->pkt_size = MVNETA_RX_PKT_SIZE(pp->dev->mtu);
pp->frag_size = SKB_DATA_ALIGN(MVNETA_RX_BUF_SIZE(pp->pkt_size)) +
@ -3026,9 +3025,7 @@ static int mvneta_open(struct net_device *dev)
/* Enable per-CPU interrupt on all the CPU to handle our RX
* queue interrupts
*/
for_each_online_cpu(cpu)
smp_call_function_single(cpu, mvneta_percpu_enable,
pp, true);
on_each_cpu(mvneta_percpu_enable, pp, true);
/* Register a CPU notifier to handle the case where our CPU
@ -3315,9 +3312,7 @@ static int mvneta_config_rss(struct mvneta_port *pp)
netif_tx_stop_all_queues(pp->dev);
for_each_online_cpu(cpu)
smp_call_function_single(cpu, mvneta_percpu_mask_interrupt,
pp, true);
on_each_cpu(mvneta_percpu_mask_interrupt, pp, true);
/* We have to synchronise on the napi of each CPU */
for_each_online_cpu(cpu) {