From: Arnd Bergmann <arnd@arndb.de>
To: Kishon Vijay Abraham I <kishon@ti.com>
Cc: Hans de Goede <hdegoede@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: phy: add USB_SUPPORT dependency
Date: Wed, 14 Sep 2016 15:51:41 +0200 [thread overview]
Message-ID: <4663023.yR0rtq6Tke@wuerfel> (raw)
In-Reply-To: <57D1699C.4080406@ti.com>
On Thursday, September 8, 2016 7:07:32 PM CEST Kishon Vijay Abraham I wrote:
>
> On Wednesday 07 September 2016 03:01 PM, Hans de Goede wrote:
> > Hi,
> >
> > On 06-09-16 14:54, Arnd Bergmann wrote:
> >> The driver now calls of_usb_get_dr_mode_by_phy, which is part of the
> >> USB core layer, and it fails to build when that is not provided:
> >>
> >> drivers/phy/phy-sun4i-usb.o: In function `sun4i_usb_phy_probe':
> >> phy-sun4i-usb.c:(.text.sun4i_usb_phy_probe+0x140): undefined reference to
> >> `of_usb_get_dr_mode_by_phy'
> >>
> >> We already have a couple of other PHY drivers with a dependency
> >> on USB_SUPPORT, so that seems to be the easiest fix here.
> >>
> >> An alternative would be to adjust the #ifdef in include/linux/usb/of.h
> >> to also check for CONFIG_USB_SUPPORT.
> >>
> >> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> >> Fixes: b33ecca87df9 ("phy-sun4i-usb: Add support for peripheral-only mode")
> >
> > Good catch, patch LGTM:
> >
> > Reviewed-by: Hans de Goede <hdegoede@redhat.com>
>
> merged, thanks.
>
There is one more that came up today, with the meson usb2 phy driver.
I've now implemented the "alternative" I mentioned above, which should
avoid introducing other instances of this bug in the future.
Sorry for all the back-and-forth here,
Arnd
prev parent reply other threads:[~2016-09-14 13:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-06 12:54 [PATCH] usb: phy: add USB_SUPPORT dependency Arnd Bergmann
2016-09-07 9:31 ` Hans de Goede
2016-09-08 13:37 ` Kishon Vijay Abraham I
2016-09-09 9:25 ` [PATCH] phy-sun4i-usb: select 'USB_COMMON' Arnd Bergmann
2016-09-09 9:42 ` Hans de Goede
2016-09-09 10:04 ` Arnd Bergmann
2016-09-14 13:51 ` Arnd Bergmann [this message]
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