netdev - [PATCH 2/8] HID: usbhid: Make hid_is

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Message-Id: <20221222-hid-v1-2-f4a6c35487a5@weissschuh.net>
Date:   Thu, 22 Dec 2022 05:10:45 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Hans de Goede <hdegoede@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        David Rheinsberg <david.rheinsberg@...il.com>,
        Marcel Holtmann <marcel@...tmann.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-bluetooth@...r.kernel.org,
        netdev@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 2/8] HID: usbhid: Make hid_is_usb() non-inline

By making hid_is_usb() a non-inline function the lowlevel usbhid driver
does not have to be exported anymore.

Also mark the argument as const as it is not modified.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 drivers/hid/usbhid/hid-core.c | 6 ++++++
 include/linux/hid.h           | 5 +----
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index be4c731aaa65..54b0280d0073 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1334,6 +1334,12 @@ struct hid_ll_driver usb_hid_driver = {
 };
 EXPORT_SYMBOL_GPL(usb_hid_driver);
 
+bool hid_is_usb(const struct hid_device *hdev)
+{
+	return hdev->ll_driver == &usb_hid_driver;
+}
+EXPORT_SYMBOL_GPL(hid_is_usb);
+
 static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *id)
 {
 	struct usb_host_interface *interface = intf->cur_altsetting;
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 8677ae38599e..e8400aa78522 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -864,10 +864,7 @@ static inline bool hid_is_using_ll_driver(struct hid_device *hdev,
 	return hdev->ll_driver == driver;
 }
 
-static inline bool hid_is_usb(struct hid_device *hdev)
-{
-	return hid_is_using_ll_driver(hdev, &usb_hid_driver);
-}
+extern bool hid_is_usb(const struct hid_device *hdev);
 
 #define	PM_HINT_FULLON	1<<5
 #define PM_HINT_NORMAL	1<<1

-- 
2.39.0