> -----Original Message----- > From: Arnd Bergmann [mailto:arnd at arndb.de] > Sent: Tuesday, October 25, 2016 4:15 AM > To: Baoyou Xie > Cc: Deucher, Alexander; Dave Airlie; Zhu, Rex; Zhou, Jammy; Huang, > JinHuiEric; StDenis, Tom; Edward O'Callaghan; Prosyak, Vitaly; Yang, Eric; > Yang, Young; Huang, Ray; Dan Carpenter; Cui, Flora; Nils Wallménius; Liu, > Monk; Wang, Ken; Min, Frank; dri-devel; Linux Kernel Mailing List; > xie.baoyou at zte.com.cn; han.fei at zte.com.cn; tang.qiang007 at zte.com.cn > Subject: Re: [PATCH] drm/amd/powerplay: mark symbols static where > possible > > On Tuesday, October 25, 2016 10:31:21 AM CEST Baoyou Xie wrote: > > On 25 October 2016 at 04:51, Arnd Bergmann <arnd at arndb.de> wrote: > > > On Saturday, October 22, 2016 4:56:22 PM CEST Baoyou Xie wrote: > > > The function has no callers, so the easiest way would be to remove it > > > entirely, but it's possible that there are plans to add users soon. > > > > > > It was assumed that this function will be used soon, so this patch remains > > it. > > if it still not be used in 4.10, then we can remove it. > > is it right? > > There is no such rule in general, it's up to the maintainer and > it depends on the specific reason for why the function ended up > being unused in the first place. > > However, we can expect the maintainer to come up with some solution > to address the warning. Possible options include: > > - calling the function from where it was meant to be used > - removing the function > - adding __maybe_unused > - adding an #if 0 > > I have not looked at this specific example and do not know > which of them would be appropriate here. If you look at the > output of 'git log -p > drivers/gpu/drm/amd/amdgpu/../powerplay/hwmgr/smu7_hwmgr.c' > you might find it out yourself.
This is mostly fallout from a big cleanup/re-org of the powerplay code in the 4.9. Rex said he was going to use these soon. Alex
