On 11/03/2017 11:23 AM, Arnd Bergmann wrote: > On Fri, Nov 3, 2017 at 10:56 AM, Niklas Cassel <niklas.cassel@xxxxxxxx> wrote: >> On 11/02/2017 10:13 AM, Arnd Bergmann wrote: > What I meant is that you can remove the #ifdef entirely if you add > > if (!IS_ENABLED(CONFIG_PCIE_ARTPEC6_HOST)) > return -ENODEV; > > to artpec6_pcie_probe(). Anything after that statement will get > silently dropped by the compiler, including static functions and > structures that are referenced indirectly from there. Wow, this actually helps gcc with dead code elimination. It was even possible to add those !IS_ENABLED the two different case labels in the switch statement. I get no unwanted symbols when looking at the vmlinux in gdb. Great suggestion Arnd :) Regards, Niklas
