linux-kernel - Re: staging/greybus: undefined Kconfig symbols

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Date:   Wed, 21 Sep 2016 12:25:54 +0200
From:   Valentin Rothberg <valentinrothberg@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: staging/greybus: undefined Kconfig symbols

On Wed, Sep 21, 2016 at 9:39 AM, Greg KH <gregkh@...uxfoundation.org> wrote:
> On Wed, Sep 21, 2016 at 08:30:01AM +0200, Valentin Rothberg wrote:
>> Hi Greg,
>
> <fixing odd email address you used for me...>

I was a little surprised, too, but that's the one in the signed-off
field in the greybus commits, so I used it.

>> checkkconfigsymbols.py found some undefined Kconfig symbols (see
>> below) in the Makefile and Kconfig file.  I could not find any patch
>> adding those symbols.  Are there patches queued somewhere else?
>>
>> Best regards,
>>  Valentin
>>
>> GREYBUS_AUDIO_MSM8994
>> Referencing files: drivers/staging/greybus/Makefile
>> Similar symbols: GREYBUS_AUDIO, GREYBUS_GPIO, GREYBUS_SDIO, GREYBUS_USB
>> Commits changing symbol:
>> - d4f56b47a8fa ("staging: greybus: Add drivers/staging/greybus to the build")
>
> This one is tricky, as parts of this audio driver depended on an
> out-of-tree qualcomm audio driver.  It will be unwound over time to not
> depend on that mess.
>
>> MEDIA
>> Referencing files: drivers/staging/greybus/Kconfig
>> Similar symbols: COMEDI, EDAC, EISA, HID_CMEDIA, LANMEDIA, MDIO,
>> MEDIA_CEC, MEDIA_TUNER, MEMDMA0, MEMDMA1
>> Commits changing symbol:
>> - d4f56b47a8fa ("staging: greybus: Add drivers/staging/greybus to the build")
>> - 847175e8e660 ("greybus: audio: Fetch jack_mask, button_mask from
>> module's topology data")
>> - 64a7e2cceb75 ("greybus: audio: Added jack support to audio module")
>
> Ugh, this should be CONFIG_MEDIA_SUPPORT, right?  If so, I'll make a
> patch to change this, that was my fault.

Yes, since it's a camera driver, MEDIA_SUPPORT seems to be the good dependency.

>> USB_HSIC_USB3613
>> Referencing files: drivers/staging/greybus/Makefile
>> Similar symbols: USB_FSL_USB2, USB_GSPCA_SPCA561, USB_GSPCA_STK1135,
>> USB_GSPCA_T613, USB_HCD_SSB, USB_HSIC_USB3503, USB_HSIC_USB4604,
>> USB_RENESAS_USB3, USB_SI4713, USB_SISUSBVGA
>> Commits changing symbol:
>> - d4f56b47a8fa ("staging: greybus: Add drivers/staging/greybus to the build")
>> - 7d0493d191ab ("greybus: only build arche platform driver if usb3613
>> is enabled")
>
> This is a driver that has yet to be queued up, give us a few weeks to
> add it, and then it will probably be merged into the arche-platform
> driver as they both depend on each other.

Okay.  I won't report these symbols in the future :)

Thanks,
 Valentin