Messages in this thread Patch in this message | | | From | Li zeming <> | Subject | [PATCH] macintosh/windfarm_pid: Add header file macro definition | Date | Thu, 7 Jul 2022 09:59:49 +0800 |
| |
I think the header file could avoid redefinition errors. at compile time by adding macro definitions.
Signed-off-by: Li zeming <zeming@nfschina.com> --- drivers/macintosh/windfarm_pid.h | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/macintosh/windfarm_pid.h b/drivers/macintosh/windfarm_pid.h index 83f747dbeafc..9882e90a5071 100644 --- a/drivers/macintosh/windfarm_pid.h +++ b/drivers/macintosh/windfarm_pid.h @@ -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 +85,4 @@ 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 -- 2.18.2
| |