linux-kernel - Re: [PATCH] phy: sun9i-usb: add USB dependency

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAGb2v67aC4VtKKMa6ORbokVBRDMOeymeWasrvoiStao44Si8YA@mail.gmail.com>
Date:	Mon, 30 Nov 2015 20:27:04 +0800
From:	Chen-Yu Tsai <wens@...e.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	Kishon Vijay Abraham I <kishon@...com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] phy: sun9i-usb: add USB dependency

Hi,

On Mon, Nov 30, 2015 at 7:29 PM, Arnd Bergmann <arnd@...db.de> wrote:
> The sun9i usb phy driver calls of_usb_get_phy_mode(), which is not
> available if USB is disabled:
>
> drivers/built-in.o: In function `sun9i_usb_phy_probe':
> :(.text+0x7fb0): undefined reference to `of_usb_get_phy_mode'
>
> This adds a dependency to avoid the randconfig build errors.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Fixes: 9c3b44302636 ("phy: Add driver to support individual USB PHYs on sun9i")
>
> diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
> index 7eb5859dd035..03cb3ea2d2c0 100644
> --- a/drivers/phy/Kconfig
> +++ b/drivers/phy/Kconfig
> @@ -233,6 +233,7 @@ config PHY_SUN9I_USB
>         tristate "Allwinner sun9i SoC USB PHY driver"
>         depends on ARCH_SUNXI && HAS_IOMEM && OF
>         depends on RESET_CONTROLLER
> +       depends on USB_COMMON

USB_SUPPORT seems like the one to use. Some other phy drivers depend on this,
and so does drivers/usb/phy/of.c, which is where of_usb_get_phy_mode()
is located.

Thanks for catching this!


Regards
ChenYu

>         select GENERIC_PHY
>         help
>           Enable this to support the transceiver that is part of Allwinner
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/