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Date:   Tue, 5 Mar 2019 09:04:46 +0100
From:   Geert Uytterhoeven <>
To:     Arnd Bergmann <>
Cc:     Mauro Carvalho Chehab <>,
        Greg Kroah-Hartman <>,
        Mark Brown <>,
        Robin Murphy <>,
        Linux Media Mailing List <>,
        driverdevel <>,
        Linux Kernel Mailing List <>
Subject: Re: [PATCH] media: staging: davinci_vpfe: disallow building with COMPILE_TEST

Hi Arnd,

On Mon, Mar 4, 2019 at 9:30 PM Arnd Bergmann <> wrote:
> The driver should really call dm365_isif_setup_pinmux() through a callback,
> but it runs platform specific code by itself, which never actually compiled:
> /git/arm-soc/drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:2: error: implicit declaration of function 'davinci_cfg_reg' [-Werror,-Wimplicit-function-declaration]
>         davinci_cfg_reg(DM365_VIN_CAM_WEN);
>         ^
> /git/arm-soc/drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:2: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
> /git/arm-soc/drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:18: error: use of undeclared identifier 'DM365_VIN_CAM_WEN'
>         davinci_cfg_reg(DM365_VIN_CAM_WEN);
>                         ^
> /git/arm-soc/drivers/staging/media/davinci_vpfe/dm365_isif.c:2029:18: error: use of undeclared identifier 'DM365_VIN_CAM_VD'
>         davinci_cfg_reg(DM365_VIN_CAM_VD);
>                         ^
> /git/arm-soc/drivers/staging/media/davinci_vpfe/dm365_isif.c:2030:18: error: use of undeclared identifier 'DM365_VIN_CAM_HD'
>         davinci_cfg_reg(DM365_VIN_CAM_HD);
>                         ^
> /git/arm-soc/drivers/staging/media/davinci_vpfe/dm365_isif.c:2031:18: error: use of undeclared identifier 'DM365_VIN_YIN4_7_EN'
>         davinci_cfg_reg(DM365_VIN_YIN4_7_EN);
>                         ^
> /git/arm-soc/drivers/staging/media/davinci_vpfe/dm365_isif.c:2032:18: error: use of undeclared identifier 'DM365_VIN_YIN0_3_EN'
>         davinci_cfg_reg(DM365_VIN_YIN0_3_EN);
>                         ^
> 7 errors generated.

Which tree and which config is this?
This driver compiles fine with m68k/allmodconfig on v5.0?



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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