On 2017-01-27 10:20, Rafał Miłecki wrote: > From: Rafał Miłecki <ra...@milecki.pl> > > To share as much code as possible in bgmac we call alloc_etherdev from > bgmac.c which is used by both: platform and bcma code. The easiest > solution was to use it for allocating whole struct bgmac but it doesn't > work well as we already get early-filled struct bgmac as an argument. > > So far we were solving this by copying received struct into newly > allocated one. The problem is it means storing 2 allocated structs, > using only 1 of them and non-shared code not having access to it. > > This patch solves it by using alloc_etherdev to allocate *pointer* for > the already allocated struct. The only downside of this is we have to be > careful when using netdev_priv. > > Another solution was to call alloc_etherdev in platform/bcma specific > code but Jon advised against it due to sharing less code that way. How does that lead to sharing less code? I find this pointer indirection rather ugly and uncommon, and I think it would be much cleaner to split the probe into bgmac_enet_alloc and bgmac_enet_probe (with bgmac_enet_alloc calling alloc_etherdev and doing basic setup).
- Felix