GPIO resource could be retrieved through APCI as well.

Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
Reviewed-by: Felipe Balbi <ba...@kernel.org>
---
 drivers/extcon/extcon-usb-gpio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c
index af9c8b0..472c431 100644
--- a/drivers/extcon/extcon-usb-gpio.c
+++ b/drivers/extcon/extcon-usb-gpio.c
@@ -26,6 +26,7 @@
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
+#include <linux/acpi.h>
 
 #define USB_GPIO_DEBOUNCE_MS   20      /* ms */
 
@@ -91,7 +92,7 @@ static int usb_extcon_probe(struct platform_device *pdev)
        struct usb_extcon_info *info;
        int ret;
 
-       if (!np)
+       if (!np && !ACPI_HANDLE(dev))
                return -EINVAL;
 
        info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
-- 
2.1.4

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