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path: root/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.c')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 5e81a7263654..54adfd967858 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1817,7 +1817,7 @@ static int mtk_open(struct net_device *dev)
struct mtk_eth *eth = mac->hw;
/* we run 2 netdevs on the same dma ring so we only bring it up once */
- if (!atomic_read(&eth->dma_refcnt)) {
+ if (!refcount_read(&eth->dma_refcnt)) {
int err = mtk_start_dma(eth);
if (err)
@@ -1827,8 +1827,10 @@ static int mtk_open(struct net_device *dev)
napi_enable(&eth->rx_napi);
mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
mtk_rx_irq_enable(eth, MTK_RX_DONE_INT);
+ refcount_set(&eth->dma_refcnt, 1);
}
- atomic_inc(&eth->dma_refcnt);
+ else
+ refcount_inc(&eth->dma_refcnt);
phy_start(dev->phydev);
netif_start_queue(dev);
@@ -1868,7 +1870,7 @@ static int mtk_stop(struct net_device *dev)
phy_stop(dev->phydev);
/* only shutdown DMA if this is the last user */
- if (!atomic_dec_and_test(&eth->dma_refcnt))
+ if (!refcount_dec_and_test(&eth->dma_refcnt))
return 0;
mtk_tx_irq_disable(eth, MTK_TX_DONE_INT);