net: hns3: do not initialize MDIO bus when PHY is inexistent

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For some cases, PHY may not be connected to MDIO bus, then
the driver will initialize fail since MDIO bus initialization
fails.

This patch fixes it by skipping the MDIO bus initialization
when PHY is inexistent.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

...

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Jian Shen 2019-04-14 09:47:44 +08:00 • committed by David S. Miller

parent c41e672d1e

commit 2d0075b4a7

1 changed files with 7 additions and 1 deletions

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8

drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c

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