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>

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 4c2d12423750a3c5519d2aad2b0173f40d167936..f496f97165690486e2bf91a391e99aca65a4b1ee 100644 (file)
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -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) {