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| author | Li zeming <zeming@nfschina.com> | 2022-07-07 03:59:49 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-11-24 13:12:18 +0100 |
| commit | e3e528d29d13c01289f382a0d3ddb5312ac3dae3 (patch) | |
| tree | cf17785abf52584527b454e0fbaefce922c894d2 /drivers/macintosh/windfarm_pid.h | |
| parent | macintosh/ams/ams: Add header file macro definition (diff) | |
| download | linux-e3e528d29d13c01289f382a0d3ddb5312ac3dae3.tar.xz linux-e3e528d29d13c01289f382a0d3ddb5312ac3dae3.zip | |
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
Diffstat (limited to 'drivers/macintosh/windfarm_pid.h')
| -rw-r--r-- | drivers/macintosh/windfarm_pid.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/macintosh/windfarm_pid.h b/drivers/macintosh/windfarm_pid.h index 83f747dbeafc..335613a200fb 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 +85,5 @@ 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 */ |