linux-kernel - Re: [PATCH] phy: meson-usb2: Fix build dependency

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Message-ID: <CAFBinCBJPHMkYneKKU+KYVve3u3Svvcbu0Ux-L8VC21DvxWZng@mail.gmail.com>
Date:   Sun, 18 Sep 2016 23:41:43 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     Axel Lin <axel.lin@...ics.com>
Cc:     Kevin Hilman <khilman@...libre.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Jerome Brunet <jbrunet@...libre.com>,
        linux-kernel@...r.kernel.org, linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH] phy: meson-usb2: Fix build dependency

Hi Axel,

On Fri, Sep 16, 2016 at 4:07 AM, Axel Lin <axel.lin@...ics.com> wrote:
> of_usb_get_dr_mode_by_phy will not be compiled if !USB_COMMON, fix below
> build error:
>
> drivers/built-in.o: In function `phy_meson_usb2_probe':
> debugfs.c:(.text+0x76b4): undefined reference to `of_usb_get_dr_mode_by_phy'
> Makefile:961: recipe for target 'vmlinux' failed
> make: *** [vmlinux] Error 1
>
> Signed-off-by: Axel Lin <axel.lin@...ics.com>
> ---
>  drivers/phy/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 6ad87ec..cc27c12 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -458,6 +458,8 @@ config PHY_MESON_USB2
>         tristate "Meson USB2 PHY driver"
>         default ARCH_MESON
>         depends on OF && (ARCH_MESON || COMPILE_TEST)
> +       depends on USB_SUPPORT
> +       select USB_COMMON
>         select GENERIC_PHY
>         help
>           Enable this to support the Meson USB2 PHYs found in Meson8b
> --
> 2.7.4
>
thanks for this patch!

How do we handle patches for drivers which will (unfortunately) not
land in the linux 4.8 - should I integrate that into v3 of the patch
(which I'll have to send anyways) or do we keep them separate?
Maybe Kishon and/or Kevin can share their opinion on this.


Regards,
Martin