[PATCH] phy: sun9i-usb: add USB dependency

[PATCH] phy: sun9i-usb: add USB dependency

[Arnd Bergmann]

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@arndb.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
 	select GENERIC_PHY
 	help
 	  Enable this to support the transceiver that is part of Allwinner

[PATCH] phy: sun9i-usb: add USB dependency

[Chen-Yu Tsai]

Hi,

On Mon, Nov 30, 2015 at 7:29 PM, Arnd Bergmann <arnd@arndb.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@arndb.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
>

[PATCH] phy: sun9i-usb: add USB dependency

[Arnd Bergmann]

On Monday 30 November 2015 20:27:04 Chen-Yu Tsai wrote:
> On Mon, Nov 30, 2015 at 7:29 PM, Arnd Bergmann <arnd@arndb.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@arndb.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.

USB_SUPPORT is the user-selectable option that enables USB and USB_GADGET
to be selected, while USB_COMMON is automatically enabled if one of those
two is.

If you have USB_SUPPORT=y but both USB and USB_GADGET disabled, then
Kbuild does not enter the drivers/usb/phy directory and you still
get the build failure.

	Arnd

[PATCH] phy: sun9i-usb: add USB dependency

[Chen-Yu Tsai]

On Mon, Nov 30, 2015 at 8:33 PM, Arnd Bergmann <arnd@arndb.de> wrote:
> On Monday 30 November 2015 20:27:04 Chen-Yu Tsai wrote:
>> On Mon, Nov 30, 2015 at 7:29 PM, Arnd Bergmann <arnd@arndb.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@arndb.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.
>
> USB_SUPPORT is the user-selectable option that enables USB and USB_GADGET
> to be selected, while USB_COMMON is automatically enabled if one of those
> two is.
>
> If you have USB_SUPPORT=y but both USB and USB_GADGET disabled, then
> Kbuild does not enter the drivers/usb/phy directory and you still
> get the build failure.

I see why the others work with USB_SUPPORT. They select USB_PHY, so
Kbuild enters driver/usb/phy.

Thanks!

Acked-by: Chen-Yu Tsai <wens@csie.org>