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[v2,2/4] HID: usbhid: Share USB device devicetree node with child HID device

Message ID 20230204044313.364-3-kaehndan@gmail.com (mailing list archive)
State Superseded
Delegated to: Jiri Kosina
Headers show
Series DeviceTree Support for USB-HID Devices and CP2112 | expand

Commit Message

Daniel Kaehn Feb. 4, 2023, 4:43 a.m. UTC 
USB HID core now shares its devicetree of_node with its child HID device.
Since there can only be one HID device on a USB interface, it is redundant
to specify a hid node under the USB device (and further, binding this way
isn't currently possible, as hid_driver does not support of_match_table).

Signed-off-by: Danny Kaehn <kaehndan@gmail.com>
---
 drivers/hid/usbhid/hid-core.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index be4c731aaa65..b6c968af258f 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -33,6 +33,7 @@ 
 #include <linux/hiddev.h>
 #include <linux/hid-debug.h>
 #include <linux/hidraw.h>
+#include <linux/device.h>
 #include "usbhid.h"
 
 /*
@@ -1369,6 +1370,7 @@  static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
 	hid->hiddev_report_event = hiddev_report_event;
 #endif
 	hid->dev.parent = &intf->dev;
+	device_set_of_node_from_dev(&hid->dev, &intf->dev);
 	hid->bus = BUS_USB;
 	hid->vendor = le16_to_cpu(dev->descriptor.idVendor);
 	hid->product = le16_to_cpu(dev->descriptor.idProduct);