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usb: core: of.c: fix defined but not declare warning

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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 <gregkh@linuxfoundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Ben Dooks <ben.dooks@codethink.co.uk>
Cc: linux-kernel@lists.codethink.co.uk

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Reported-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Chen 2016-06-15 11:25:43 +08:00 committed by Greg Kroah-Hartman
parent a26a142275
commit 0573f2c519
2 changed files with 3 additions and 1 deletions
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3
drivers/usb/core/Makefile
View File

@ -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

1
drivers/usb/core/of.c
View File

@ -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