From: Lu Baolu <baolu.lu@linux.intel.com>
Date: Mon, 25 Apr 2016 23:35:54 +0000 (+0900)
Subject: extcon: usb-gpio: add support for ACPI gpio interface
X-Git-Tag: v4.8-rc1~194^2~5^2~10
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=942c7924a51e;p=karo-tx-linux.git

extcon: usb-gpio: add support for ACPI gpio interface

GPIO resource could be retrieved through APCI as well.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Felipe Balbi <balbi@kernel.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---

diff --git a/drivers/extcon/extcon-usb-gpio.c b/drivers/extcon/extcon-usb-gpio.c
index 8969606e629b..2512660dc4b9 100644
--- a/drivers/extcon/extcon-usb-gpio.c
+++ b/drivers/extcon/extcon-usb-gpio.c
@@ -27,6 +27,7 @@
 #include <linux/pm_wakeirq.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
+#include <linux/acpi.h>
 
 #define USB_GPIO_DEBOUNCE_MS	20	/* ms */
 
@@ -92,7 +93,7 @@ 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);