linux-kernel - [PATCH 3/6] HID: bpf: move the BIT() macro to hid_bpf

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Date: Thu, 27 Jun 2024 11:54:19 +0200
From: Benjamin Tissoires <bentiss@...nel.org>
To: Jiri Kosina <jikos@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-input@...r.kernel.org, 
 bpf@...r.kernel.org, Benjamin Tissoires <bentiss@...nel.org>, 
 José Expósito <jose.exposito89@...il.com>
Subject: [PATCH 3/6] HID: bpf: move the BIT() macro to hid_bpf_helpers.h

This macro can be useful in mopre than one place

Link: https://gitlab.freedesktop.org/libevdev/udev-hid-bpf/-/commit/7970a9c17aa0756bad63e89fccb6ee4f2ec83ccc
Signed-off-by: José Expósito <jose.exposito89@...il.com>
Signed-off-by: Benjamin Tissoires <bentiss@...nel.org>
---
 drivers/hid/bpf/progs/XPPen__Artist24.bpf.c | 2 --
 drivers/hid/bpf/progs/hid_bpf_helpers.h     | 1 +
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c b/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c
index d4d062c3a653..c24fe905c50d 100644
--- a/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c
+++ b/drivers/hid/bpf/progs/XPPen__Artist24.bpf.c
@@ -78,8 +78,6 @@ static const __u8 fixed_rdesc[] = {
 	0xc0,                          // End Collection                      106
 };
 
-#define BIT(n) (1UL << n)
-
 #define TIP_SWITCH		BIT(0)
 #define BARREL_SWITCH		BIT(1)
 #define ERASER			BIT(2)
diff --git a/drivers/hid/bpf/progs/hid_bpf_helpers.h b/drivers/hid/bpf/progs/hid_bpf_helpers.h
index 8f226f6e886b..3ba24d125a08 100644
--- a/drivers/hid/bpf/progs/hid_bpf_helpers.h
+++ b/drivers/hid/bpf/progs/hid_bpf_helpers.h
@@ -66,6 +66,7 @@ extern int hid_bpf_hw_request(struct hid_bpf_ctx *ctx,
 #define HID_VID_ANY				0x0000
 #define HID_PID_ANY				0x0000
 
+#define BIT(n) (1UL << (n))
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
 
 /* Helper macro to convert (foo, __LINE__)  into foo134 so we can use __LINE__ for

-- 
2.44.0