mvebu: remove linux 4.4 support
[openwrt/staging/lynxis/omap.git] / target / linux / mvebu / patches-4.4 / 039-net-mvneta-Use-on_each_cpu-when-possible.patch
diff --git a/target/linux/mvebu/patches-4.4/039-net-mvneta-Use-on_each_cpu-when-possible.patch b/target/linux/mvebu/patches-4.4/039-net-mvneta-Use-on_each_cpu-when-possible.patch
deleted file mode 100644 (file)
index 76257a2..0000000
+++ /dev/null
@@ -1,68 +0,0 @@
-From: Gregory CLEMENT <gregory.clement@free-electrons.com>
-Date: Thu, 4 Feb 2016 22:09:25 +0100
-Subject: [PATCH] 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>
----
-
---- a/drivers/net/ethernet/marvell/mvneta.c
-+++ b/drivers/net/ethernet/marvell/mvneta.c
-@@ -2553,7 +2553,7 @@ static void mvneta_percpu_mask_interrupt
- 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);
-@@ -2569,9 +2569,8 @@ static void mvneta_start_dev(struct mvne
-       }
-       /* 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 |
-@@ -2991,7 +2990,7 @@ static int mvneta_percpu_notifier(struct
- 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)) +
-@@ -3024,9 +3023,7 @@ static int mvneta_open(struct net_device
-       /* 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
-@@ -3313,9 +3310,7 @@ static int  mvneta_config_rss(struct mvn
-       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) {