Messages in this thread | | | Subject | Re: [PATCH] usb: select USB_COMMON for usb role switch config | From | Hans de Goede <> | Date | Wed, 4 Apr 2018 22:08:43 +0200 |
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Hi,
On 04-04-18 14:21, Arnd Bergmann wrote: > The new axp288 extcon driver has no dependency on USB itself but > calls the usb role switch helper functions. This causes a link error > when USB_COMMON is disabled, as that subdirectory never gets entered: > > drivers/extcon/extcon-axp288.o: In function `axp288_usb_role_work': > extcon-axp288.c:(.text+0x47b): undefined reference to `usb_role_switch_set_role' > extcon-axp288.c:(.text+0x498): undefined reference to `usb_role_switch_get_role' > drivers/extcon/extcon-axp288.o: In function `axp288_extcon_probe': > extcon-axp288.c:(.text+0x675): undefined reference to `usb_role_switch_get' > extcon-axp288.c:(.text+0x6d1): undefined reference to `usb_role_switch_put' > drivers/extcon/extcon-axp288.o: In function `axp288_put_role_sw': > extcon-axp288.c:(.text+0x1c): undefined reference to `usb_role_switch_put' > > There are multiple ways of fixing this, I chose to 'select USB_COMMON', > since that is how we solved the same problem for other helpers like > USB_LED_TRIG or PHY drivers. > > Fixes: d54f063cdbe4 ("extcon: axp288: Set USB role where necessary") > Signed-off-by: Arnd Bergmann <arnd@arndb.de> Thanks.
I agree that this is the right way to fix this (matches the other drivers/usb/Kconfig bits):
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Regards,
Hans
> --- > drivers/usb/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig > index 75f7fb151f71..987fc5ba6321 100644 > --- a/drivers/usb/Kconfig > +++ b/drivers/usb/Kconfig > @@ -207,5 +207,6 @@ config USB_ULPI_BUS > > config USB_ROLE_SWITCH > tristate > + select USB_COMMON > > endif # USB_SUPPORT >
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