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SubjectRe: [PATCH] usb: always build usb/common/ targets; fixes extcon-axp288 build error
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Hi,

On 17-04-18 07:14, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@infradead.org>
>
> The extcon-axp288 driver selects USB_ROLE_SWITCH, but the USB
> Makefile does not currently build drivers/usb/common/ (where
> USB_ROLE_SWITCH code is) unless USB_COMMON is set, so modify
> the USB Makefile to always descend into drivers/usb/common/
> to build its configured targets.
>
> Fixes these build errors:
>
> ERROR: "usb_role_switch_get" [drivers/extcon/extcon-axp288.ko] undefined!
> ERROR: "usb_role_switch_set_role" [drivers/extcon/extcon-axp288.ko] undefined!
> ERROR: "usb_role_switch_get_role" [drivers/extcon/extcon-axp288.ko] undefined!
> ERROR: "usb_role_switch_put" [drivers/extcon/extcon-axp288.ko] undefined!
>
> An alternative patch would be to select USB_COMMON in the EXTCON_AXP288
> driver Kconfig entry, but this would build more code in
> drivers/usb/common/ than is necessary.

Ah, that variant of fixing this got posted yesterday and I acked that,
but I agree that this version is better.

Greg, what is your take on this fix?

Chanwoo Choi, please wait with merging the fix from yesterday until
we've a decision which fix to use.

Regards,

Hans



>
> Reported-by: Fengguang Wu <fengguang.wu@intel.com>
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: MyungJoo Ham <myungjoo.ham@samsung.com>
> Cc: Chanwoo Choi <cw00.choi@samsung.com>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> Cc: linux-usb@vger.kernel.org
> ---
> drivers/usb/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- lnx-417-rc1.orig/drivers/usb/Makefile
> +++ lnx-417-rc1/drivers/usb/Makefile
> @@ -60,7 +60,7 @@ obj-$(CONFIG_USB_CHIPIDEA) += chipidea/
> obj-$(CONFIG_USB_RENESAS_USBHS) += renesas_usbhs/
> obj-$(CONFIG_USB_GADGET) += gadget/
>
> -obj-$(CONFIG_USB_COMMON) += common/
> +obj-y += common/
>
> obj-$(CONFIG_USBIP_CORE) += usbip/
>
>
>

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