在 2019/11/20 7:41, David Miller 写道: > From: Mao Wenan <maowenan@xxxxxxxxxx> > Date: Tue, 19 Nov 2019 10:51:28 +0800 > >> If CONFIG_NET_DSA_MSCC_FELIX=y, and CONFIG_NET_VENDOR_MICROSEMI=n, >> below errors can be found: >> drivers/net/dsa/ocelot/felix.o: In function `felix_vlan_del': >> felix.c:(.text+0x26e): undefined reference to `ocelot_vlan_del' >> drivers/net/dsa/ocelot/felix.o: In function `felix_vlan_add': >> felix.c:(.text+0x352): undefined reference to `ocelot_vlan_add' >> >> and warning as below: >> WARNING: unmet direct dependencies detected for MSCC_OCELOT_SWITCH >> Depends on [n]: NETDEVICES [=y] && ETHERNET [=y] && >> NET_VENDOR_MICROSEMI [=n] && NET_SWITCHDEV [=y] && HAS_IOMEM [=y] >> Selected by [y]: >> NET_DSA_MSCC_FELIX [=y] && NETDEVICES [=y] && HAVE_NET_DSA [=y] >> && NET_DSA [=y] && PCI [=y] >> >> This patch add dependency NET_VENDOR_MICROSEMI for NET_DSA_MSCC_FELIX. >> >> Fixes: 56051948773e ("net: dsa: ocelot: add driver for Felix switch family") >> Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx> > > This seems more like a "select" situation, why in the world should the > user be required to know about NET_VENDOR_MISCROSEMI at all for this > driver? thanks. I will change to 'select' it and send v2. > > And NET_VENDOR_MICROSEMI does _NOT_ enable any code at all, you have > to enable the individual drivers guarded by NET_VENDOR_MICROSEMI in order > to resolve the symbols necessary for ocelot. > > I'm not applying this, it isn't correct. > > Thank you. > > . >