stmmac: dwmac-loongson: Fix unsigned comparison to zero
authorYueHaibing <yuehaibing@huawei.com>
Wed, 7 Jul 2021 07:50:57 +0000 (15:50 +0800)
committerDavid S. Miller <davem@davemloft.net>
Wed, 7 Jul 2021 20:43:16 +0000 (13:43 -0700)
commit0d472c69c6a5e22cef9e5809e2f6d0ccd5934f4a
treef5d8fe699542b9bb289e37692968ed488c00cdd4
parentccd27f05ae7b8ebc40af5b004e94517a919aa862
stmmac: dwmac-loongson: Fix unsigned comparison to zero

plat->phy_interface is unsigned integer, so the condition
can't be less than zero and the warning will never printed.

Fixes: 30bba69d7db4 ("stmmac: pci: Add dwmac support for Loongson")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c