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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>
This commit is contained in:
Sean Wang 2016-09-14 23:13:16 +08:00 committed by David S. Miller
parent 85574dbf9d
commit bf253fb722
1 changed files with 11 additions and 4 deletions
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15
drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@ -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);