linux-kernel - Re: [PATCH 04/30] usb: misc: sisusbvga: sisusb_init: Mark all 'static const' arrays as __maybe

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Date:   Tue, 7 Jul 2020 08:49:02 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Thomas Winischhofer <thomas@...ischhofer.net>
Subject: Re: [PATCH 04/30] usb: misc: sisusbvga: sisusb_init: Mark all
 'static const' arrays as __maybe_unused

On Fri, 03 Jul 2020, Lee Jones wrote:

> drivers/usb/misc/sisusbvga/sisusb_init.h is included by a few
> source files.  Most of which do not use the majority of the
> shared static const arrays which have been declared.  This
> causes the build system to spew 100's of warnings.
> 
> Fixes the following W=1 kernel build warning(s) - and a whole lot more:
> 
>  In file included from drivers/usb/misc/sisusbvga/sisusb.c:54:
>  drivers/usb/misc/sisusbvga/sisusb_init.h:695:34: warning: ‘SiSUSB_VCLKData’ defined but not used [-Wunused-const-variable=]
>  695 | static const struct SiS_VCLKData SiSUSB_VCLKData[] = {
>  | ^~~~~~~~~~~~~~~
> [10's of lines snipped]
>  drivers/usb/misc/sisusbvga/sisusb_init.h:206:28: warning: ‘SiS_VGA_DAC’ defined but not used [-Wunused-const-variable=]
>  206 | static const unsigned char SiS_VGA_DAC[] = {
>  | ^~~~~~~~~~~
> [10's of lines snipped]
>  drivers/usb/misc/sisusbvga/sisusb_init.h:171:29: warning: ‘ModeIndex_1280x1024’ defined but not used [-Wunused-const-variable=]
>  171 | static const unsigned short ModeIndex_1280x1024[] = { 0x3a, 0x4d, 0x00, 0x65 };
>  | ^~~~~~~~~~~~~~~~~~~
> [10's of lines snipped]
> 
> Cc: Thomas Winischhofer <thomas@...ischhofer.net>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/usb/misc/sisusbvga/sisusb_init.h | 66 ++++++++++++------------
>  1 file changed, 33 insertions(+), 33 deletions(-)

Greg,

Please drop this patch.  I have a new solution.

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
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