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authorSean Wang <sean.wang@mediatek.com>2016-09-14 18:13:16 +0300
committerDavid S. Miller <davem@davemloft.net>2016-09-16 09:22:56 +0300
commitbf253fb72221cdd9dc31009056f269a420f7bbd9 (patch)
tree94783a2347866e0d1b5a69963484c3edb038335b /drivers/net/ethernet/mediatek
parent85574dbf9d12b393448334897acf13f567bac8f9 (diff)
downloadlinux-bf253fb72221cdd9dc31009056f269a420f7bbd9.tar.xz
net: ethernet: mediatek: add mtk_hw_deinit call as the opposite to mtk_hw_init call
grouping things related to the deinitialization of what mtk_hw_init call does that help to be reused by the reset process and the error path handling. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mediatek')
-rw-r--r--drivers/net/ethernet/mediatek/mtk_eth_soc.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 616170137588..1f756bd2d18f 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -1477,6 +1477,16 @@ static int __init mtk_hw_init(struct mtk_eth *eth)
return 0;
}
+static int mtk_hw_deinit(struct mtk_eth *eth)
+{
+ clk_disable_unprepare(eth->clks[MTK_CLK_GP2]);
+ clk_disable_unprepare(eth->clks[MTK_CLK_GP1]);
+ clk_disable_unprepare(eth->clks[MTK_CLK_ESW]);
+ clk_disable_unprepare(eth->clks[MTK_CLK_ETHIF]);
+
+ return 0;
+}
+
static int __init mtk_init(struct net_device *dev)
{
struct mtk_mac *mac = netdev_priv(dev);
@@ -1926,10 +1936,7 @@ static int mtk_remove(struct platform_device *pdev)
mtk_stop(eth->netdev[i]);
}
- clk_disable_unprepare(eth->clks[MTK_CLK_ETHIF]);
- clk_disable_unprepare(eth->clks[MTK_CLK_ESW]);
- clk_disable_unprepare(eth->clks[MTK_CLK_GP1]);
- clk_disable_unprepare(eth->clks[MTK_CLK_GP2]);
+ mtk_hw_deinit(eth);
netif_napi_del(&eth->tx_napi);
netif_napi_del(&eth->rx_napi);