Subject: Re: [24/30] mwifiex: wmm: Mark 'mwifiex_1d_to_wmm_queue' as __maybe_unused

From: Lee Jones <[email-masked]>
Date: Tue, 8 Sep 2020 09:34:39 +0100

On Tue, 01 Sep 2020, Kalle Valo wrote:

> Lee Jones <[email-masked]> wrote:
> 
> > 'mwifiex_1d_to_wmm_queue' is used in'; main.c, txrx.c and uap_txrx.c
> > 
> > ... but not used in 14 other source files which include 'wmm.h'.
> > 
> > Fixes the following W=1 kernel build warning(s):
> > 
> >  In file included from drivers/net/wireless/marvell/mwifiex/init.c:25:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> >  In file included from drivers/net/wireless/marvell/mwifiex/cmdevt.c:26:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> >  In file included from drivers/net/wireless/marvell/mwifiex/util.c:25:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> >  In file included from drivers/net/wireless/marvell/mwifiex/wmm.c:25:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> >  In file included from drivers/net/wireless/marvell/mwifiex/11n.c:25:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> >  In file included from drivers/net/wireless/marvell/mwifiex/11n_aggr.c:25:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> >  In file included from drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c:25:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> >  In file included from drivers/net/wireless/marvell/mwifiex/11n.h:25,
> >  from drivers/net/wireless/marvell/mwifiex/scan.c:25:
> >  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
> >  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
> >  | ^~~~~~~~~~~~~~~~~~~~~~~
> > 
> >  NB: Many entries - snipped for brevity.
> > 
> > Cc: Amitkumar Karwar <[email-masked]>
> > Cc: Ganapathi Bhat <[email-masked]>
> > Cc: Xinming Hu <[email-masked]>
> > Cc: Kalle Valo <[email-masked]>
> > Cc: "David S. Miller" <[email-masked]>
> > Cc: Jakub Kicinski <[email-masked]>
> > Cc: [email-masked]
> > Cc: [email-masked]
> > Signed-off-by: Lee Jones <[email-masked]>
> 
> Failed to apply:
> 
> fatal: sha1 information is lacking or useless (drivers/net/wireless/marvell/mwifiex/wmm.h).
> error: could not build fake ancestor
> Applying: mwifiex: wmm: Mark 'mwifiex_1d_to_wmm_queue' as __maybe_unused
> Patch failed at 0001 mwifiex: wmm: Mark 'mwifiex_1d_to_wmm_queue' as __maybe_unused
> The copy of the patch that failed is found in: .git/rebase-apply/patch
> 
> Patch set to Changes Requested.

I'll rebase everything I have onto -next and see about re-submitting.

Thanks.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog