macintosh/windfarm_pid: Add header file macro definition

I think the header file could avoid redefinition errors at compile time
by adding macro definitions.

Signed-off-by: Li zeming <zeming@nfschina.com>
[mpe: Add endif comment]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220707015949.3733-1-zeming@nfschina.com
This commit is contained in:
Li zeming 2022-07-07 09:59:49 +08:00 committed by Michael Ellerman
parent 2dfcace75e
commit e3e528d29d

View File

@ -1,4 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _WINDFARM_PID_H
#define _WINDFARM_PID_H
/*
* Windfarm PowerMac thermal control. Generic PID helpers
*
@ -82,3 +85,5 @@ struct wf_cpu_pid_state {
extern void wf_cpu_pid_init(struct wf_cpu_pid_state *st,
struct wf_cpu_pid_param *param);
extern s32 wf_cpu_pid_run(struct wf_cpu_pid_state *st, s32 power, s32 temp);
#endif /* _WINDFARM_PID_H */