The helper usb_of_get_child_node is defined at of.c, but missing its declare as a global function. Fix it by adding related header file as well as compile it on conditional of CONFIG_OF.
Cc: Greg Kroah-Hartman <[email protected]> Cc: Arnd Bergmann <[email protected]> Cc: Alan Stern <[email protected]> Cc: [email protected] Cc: [email protected] Cc: Ben Dooks <[email protected]> Cc: [email protected] Signed-off-by: Peter Chen <[email protected]> Reported-by: Ben Dooks <[email protected]> --- drivers/usb/core/Makefile | 3 ++- drivers/usb/core/of.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/core/Makefile b/drivers/usb/core/Makefile index 9780877..da36b78 100644 --- a/drivers/usb/core/Makefile +++ b/drivers/usb/core/Makefile @@ -5,8 +5,9 @@ usbcore-y := usb.o hub.o hcd.o urb.o message.o driver.o usbcore-y += config.o file.o buffer.o sysfs.o endpoint.o usbcore-y += devio.o notify.o generic.o quirks.o devices.o -usbcore-y += port.o of.o +usbcore-y += port.o +usbcore-$(CONFIG_OF) += of.o usbcore-$(CONFIG_PCI) += hcd-pci.o usbcore-$(CONFIG_ACPI) += usb-acpi.o diff --git a/drivers/usb/core/of.c b/drivers/usb/core/of.c index 2289700..3de4f88 100644 --- a/drivers/usb/core/of.c +++ b/drivers/usb/core/of.c @@ -18,6 +18,7 @@ */ #include <linux/of.h> +#include <linux/usb/of.h> /** * usb_of_get_child_node - Find the device node match port number -- 1.9.1
