Commit c4015aa7 authored by Benjamin Tissoires's avatar Benjamin Tissoires
Browse files

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: default avatarJosé Expósito <jose.exposito89@gmail.com>
Link: https://patch.msgid.link/20240627-import-bpf-v1-3-0dbcda4a5b1f@kernel.org


Signed-off-by: default avatarBenjamin Tissoires <bentiss@kernel.org>
parent 09c555fa

drivers/hid/bpf/progs/XPPen__Artist24.bpf.c

+0 −2
Original line number Diff line number Diff line
@@ -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)

drivers/hid/bpf/progs/hid_bpf_helpers.h

+1 −0
Original line number Diff line number Diff line
@@ -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