Re: [PATCH] net: hisilicon: add OF dependency

[David Miller <davem@davemloft.net>]

From: Arnd Bergmann <arnd@arndb.de>
Date: Fri, 16 Oct 2015 11:33:49 +0200

> The HNS MDIO driver fails to build on older ARM machines that are not
> yet converted to CONFIG_OF:
> 
> drivers/net/ethernet/hisilicon/hns_mdio.c: In function 'hns_mdio_bus_name':
> drivers/net/ethernet/hisilicon/hns_mdio.c:405:14: error: 'OF_BAD_ADDR' undeclared (first use in this function)
>   u64 taddr = OF_BAD_ADDR;
>               ^
> drivers/net/ethernet/hisilicon/hns_mdio.c:405:14: note: each undeclared identifier is reported only once for each function it appears in
> drivers/net/ethernet/hisilicon/hns_mdio.c:409:11: error: implicit declaration of function 'of_translate_address' [-Werror=implicit-function-declaration]
>    taddr = of_translate_address(np, addr);
>            ^
> 
> This clarifies the dependency to ensure we don't attempt to build these
> drivers without CONFIG_OF, but also adds a COMPILE_TEST alternative to
> give us better build coverage testing.
> 
> Build-tested on x86 as well to ensure this actually works.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Applied.