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[v2,03/14] HID: logitech-hidpp: Add hidpp_non_unifying_init() helper

Message ID 20231008095458.8926-4-hdegoede@redhat.com (mailing list archive)
State Superseded
Delegated to: Jiri Kosina
Headers show
Series HID: logitech-hidpp: Avoid hidpp_connect_event() running while probe() restarts IO | expand

Commit Message

Hans de Goede Oct. 8, 2023, 9:54 a.m. UTC
Turn hidpp_overwrite_name() into a hidpp_non_unifying_init() helper
which takes care of setting both the name and the serial for non
unifying devices.

This mirrors the hidpp_unifying_init() helper for unifying devices.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/hid/hid-logitech-hidpp.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)
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Patch

diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index b1965b91c5bb..e4dbbdf46b97 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -4131,11 +4131,16 @@  static int hidpp_initialize_battery(struct hidpp_device *hidpp)
 	return ret;
 }
 
-static void hidpp_overwrite_name(struct hid_device *hdev)
+/* Get name + serial for USB and Bluetooth HID++ devices */
+static void hidpp_non_unifying_init(struct hidpp_device *hidpp)
 {
-	struct hidpp_device *hidpp = hid_get_drvdata(hdev);
+	struct hid_device *hdev = hidpp->hid_dev;
 	char *name;
 
+	/* Bluetooth devices already have their serialnr set */
+	if (hid_is_usb(hdev))
+		hidpp_serial_init(hidpp);
+
 	name = hidpp_get_device_name(hidpp);
 	if (name) {
 		dbg_hid("HID++: Got name: %s\n", name);
@@ -4467,14 +4472,11 @@  static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	/* Allow incoming packets */
 	hid_device_io_start(hdev);
 
+	/* Get name + serial, store in hdev->name + hdev->uniq */
 	if (hidpp->quirks & HIDPP_QUIRK_UNIFYING)
 		hidpp_unifying_init(hidpp);
-	else {
-		if (hid_is_usb(hidpp->hid_dev))
-			hidpp_serial_init(hidpp);
-
-		hidpp_overwrite_name(hdev);
-	}
+	else
+		hidpp_non_unifying_init(hidpp);
 
 	connected = hidpp_root_get_protocol_version(hidpp) == 0;
 	atomic_set(&hidpp->connected, connected);