• Arnd Bergmann's avatar
    net: mvneta: bm: clarify dependencies · 019ded3a
    Arnd Bergmann authored
    MVNETA_BM has a dependency on MVNETA, so we can only select the former
    if the latter is enabled. However, the code dependency is the reverse:
    The mvneta module can call into the mvneta_bm module, so mvneta cannot
    be a built-in if mvneta_bm is a module, or we get a link error:
    
    drivers/net/built-in.o: In function `mvneta_remove':
    drivers/net/ethernet/marvell/mvneta.c:4211: undefined reference to `mvneta_bm_pool_destroy'
    drivers/net/built-in.o: In function `mvneta_bm_update_mtu':
    drivers/net/ethernet/marvell/mvneta.c:1034: undefined reference to `mvneta_bm_bufs_free'
    
    This avoids the problem by further clarifying the dependency so that
    MVNETA_BM is a silent Kconfig option that gets turned on by the
    new MVNETA_BM_ENABLE option. This way both the core HWBM module and
    the MVNETA_BM code are always built-in when needed.
    Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
    Fixes: dc35a10f ("net: mvneta: bm: add support for hardware buffer management")
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
    019ded3a
Kconfig 5.19 KB