From 942c7924a51edb75baf805679141e97140e07218 Mon Sep 17 00:00:00 2001 From: Lu Baolu <baolu.lu@linux.intel.com> Date: Tue, 26 Apr 2016 08:35:54 +0900 Subject: 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> --- drivers/extcon/extcon-usb-gpio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/extcon/extcon-usb-gpio.c') 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); -- cgit v1.2.1