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path: root/drivers/net/ethernet/marvell/mvneta.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/mvneta.c')
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c40
1 files changed, 17 insertions, 23 deletions
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 577f7ca7deba..7fc490225da5 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -260,7 +260,6 @@
#define MVNETA_VLAN_TAG_LEN 4
-#define MVNETA_CPU_D_CACHE_LINE_SIZE 32
#define MVNETA_TX_CSUM_DEF_SIZE 1600
#define MVNETA_TX_CSUM_MAX_SIZE 9800
#define MVNETA_ACC_MODE_EXT1 1
@@ -300,7 +299,7 @@
#define MVNETA_RX_PKT_SIZE(mtu) \
ALIGN((mtu) + MVNETA_MH_SIZE + MVNETA_VLAN_TAG_LEN + \
ETH_HLEN + ETH_FCS_LEN, \
- MVNETA_CPU_D_CACHE_LINE_SIZE)
+ cache_line_size())
#define IS_TSO_HEADER(txq, addr) \
((addr >= txq->tso_hdrs_phys) && \
@@ -2764,9 +2763,6 @@ static int mvneta_rxq_init(struct mvneta_port *pp,
if (rxq->descs == NULL)
return -ENOMEM;
- BUG_ON(rxq->descs !=
- PTR_ALIGN(rxq->descs, MVNETA_CPU_D_CACHE_LINE_SIZE));
-
rxq->last_desc = rxq->size - 1;
/* Set Rx descriptors queue starting address */
@@ -2837,10 +2833,6 @@ static int mvneta_txq_init(struct mvneta_port *pp,
if (txq->descs == NULL)
return -ENOMEM;
- /* Make sure descriptor address is cache line size aligned */
- BUG_ON(txq->descs !=
- PTR_ALIGN(txq->descs, MVNETA_CPU_D_CACHE_LINE_SIZE));
-
txq->last_desc = txq->size - 1;
/* Set maximum bandwidth for enabled TXQs */
@@ -3050,6 +3042,20 @@ static int mvneta_check_mtu_valid(struct net_device *dev, int mtu)
return mtu;
}
+static void mvneta_percpu_enable(void *arg)
+{
+ struct mvneta_port *pp = arg;
+
+ enable_percpu_irq(pp->dev->irq, IRQ_TYPE_NONE);
+}
+
+static void mvneta_percpu_disable(void *arg)
+{
+ struct mvneta_port *pp = arg;
+
+ disable_percpu_irq(pp->dev->irq);
+}
+
/* Change the device mtu */
static int mvneta_change_mtu(struct net_device *dev, int mtu)
{
@@ -3074,6 +3080,7 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu)
* reallocation of the queues
*/
mvneta_stop_dev(pp);
+ on_each_cpu(mvneta_percpu_disable, pp, true);
mvneta_cleanup_txqs(pp);
mvneta_cleanup_rxqs(pp);
@@ -3097,6 +3104,7 @@ static int mvneta_change_mtu(struct net_device *dev, int mtu)
return ret;
}
+ on_each_cpu(mvneta_percpu_enable, pp, true);
mvneta_start_dev(pp);
mvneta_port_up(pp);
@@ -3250,20 +3258,6 @@ static void mvneta_mdio_remove(struct mvneta_port *pp)
pp->phy_dev = NULL;
}
-static void mvneta_percpu_enable(void *arg)
-{
- struct mvneta_port *pp = arg;
-
- enable_percpu_irq(pp->dev->irq, IRQ_TYPE_NONE);
-}
-
-static void mvneta_percpu_disable(void *arg)
-{
- struct mvneta_port *pp = arg;
-
- disable_percpu_irq(pp->dev->irq);
-}
-
/* Electing a CPU must be done in an atomic way: it should be done
* after or before the removal/insertion of a CPU and this function is
* not reentrant.